IL314087A - New derivatives of non-coding amino acids and their use as herbicides - Google Patents

New derivatives of non-coding amino acids and their use as herbicides

Info

Publication number
IL314087A
IL314087A IL314087A IL31408724A IL314087A IL 314087 A IL314087 A IL 314087A IL 314087 A IL314087 A IL 314087A IL 31408724 A IL31408724 A IL 31408724A IL 314087 A IL314087 A IL 314087A
Authority
IL
Israel
Prior art keywords
thiazol
acid
dichlorothiophen
difluoro
methyl
Prior art date
Application number
IL314087A
Other languages
Hebrew (he)
Inventor
Alex Kozak
Israel Shapiro
Alon Glick
Marina Zholkovsky
Erel Hatan
Original Assignee
Fortephest Ltd
Alex Kozak
Israel Shapiro
Alon Glick
Marina Zholkovsky
Erel Hatan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fortephest Ltd, Alex Kozak, Israel Shapiro, Alon Glick, Marina Zholkovsky, Erel Hatan filed Critical Fortephest Ltd
Publication of IL314087A publication Critical patent/IL314087A/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/10—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with sulfur as the ring hetero atom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
    • A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
    • A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P13/00—Herbicides; Algicides
    • A01P13/02—Herbicides; Algicides selective
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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    • A01P21/00—Plant growth regulators
    • A—HUMAN NECESSITIES
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    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P3/00—Fungicides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P7/00—Arthropodicides
    • A01P7/04—Insecticides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • C07D213/16—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/36—Radicals substituted by singly-bound nitrogen atoms
    • C07D213/40—Acylated substituent nitrogen atom
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    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
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    • C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
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    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
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    • C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D333/28—Halogen atoms

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Description

NOVEL DERIVATIVES OF NON-CODED AMINO ACIDS AND THEIR USE AS HERBICIDES FIELD OF THE INVENTION The invention relates to novel chemical compounds having herbicidal activity, process for their manufacture and their use in crop protection.
BACKGROUND OF THE INVENTION In addition to their role as protein constituents, amino acids and their derivatives are also involved in a plethora of cellular reactions and therefore they influence a number of physiological processes such as plant growth and development, intracellular pH control, generation of metabolic energy or redox power, and resistance to both abiotic and biotic stress. Furthermore, a role for amino acids during signaling in plants has recently been discussed. In this context, regulation of amino acid content, fluxes, and transport through the plant are critical for plant adaptation to carbon and nitrogen status, development, and defense .
Pools of all amino acids is significantly affected during stress. Proline is known to significantly increase during the stress response in several plants and considered to represent a compatible osmolyte. Moreover, branched-chain amino acids are also much induced during various stresses .
Mechanisms underlying regulation of amino acids pools require further elucidations. Local amino acid concentrations depend on the synthesis and degradation rates of proteins as well as amino acids and on transport processes. These processes rather modify the total pool size, which is especially relevant when bulk degradation takes place such as during germination and senescence.
Crop protection with herbicides is a key elements of global food sustainability. Unfortunately, herbicide resistance may be developed shortly after the introduction of the herbicides. According to the herbicide resistance mechanisms, all processes can be grouped as follows: target‐site resistance, non‐target‐site resistance, cross‐resistance and multiple‐resistance. Target‐site resistance is generally due to a single or several mutations in the gene encoding the herbicide‐target enzyme, which, in turn, decreases the affinity for herbicide binding to that enzyme. Non‐target‐site resistance is caused by mechanisms that reduce the amount of herbicidal active compound before it can attack the plant through the reduced absorption or altered translocation, increased herbicide sequestration or enhanced herbicide metabolism. Cross‐resistance means that a single‐resistance mechanism causes resistance to several herbicides with some mode of action. Multiple‐resistance is a situation where two or more resistance mechanisms are present within the same plant, often due to sequential selection by herbicides with different modes of action. Currently, herbicide resistance has been reported in a multitude of weed biotypes around the globe. Many of those biotypes are resistant to acetolactate synthase (ALS) inhibitors PS I and PS II inhibitors, ACC‐ase inhibitors and EPSPS inhibitors (herbicides of Groups 2, 1, 22, 5, and 9, respectively).
New compounds effective for controlling the growth of undesired vegetation are in constant demand. In the most common situation, such compounds are sought to selectively control the growth of weeds in useful crops such as cotton, rice, corn, wheat and soybeans, to name a few. Unchecked weed growth in such crops can cause significant losses, reducing profit to the farmer and increasing costs to the consumer. The importance of controlling weeds resistant to one or more classes of herbicides has gained particular importance in the last decade. In other situations, herbicides are desired which will control all plant growth .
Examples of areas in which complete control of all vegetation is desired are areas around railroad tracks, storage tanks and industrial storage areas. Identifying new compounds having herbicidal activity which are more effective, less costly and environmentally safe remains long and unmet need.
SUMMARY OF THE INVENTION It is a principal object of the present invention to provide novel potent and safe agricultural compositions comprising chemical compounds, derivatives of non-coded amino acids having herbicidal activity, processes for their manufacture and their use in crop protection.
According to some embodiments, the invention provides an agricultural composition comprising a compound or a salt thereof having the structure or a salt thereof, wherein: A is cyclopentadiene, benzene or indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SOR, -CX, CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I, and wherein X is selected from F, Cl, Br and I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from -F, -Cl, -Br and -I; and, Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n≥1); -O-(CHMeCHO)nR (n≥1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group; and, wherein the composition comprises at least one agriculturally acceptable carrier.
According to some embodiments, the invention provides a method of controlling undesired plant growth, comprising applying to the locus of the undesired plant growth a herbicidally effective amount of a compound having the structure or a salt thereof, wherein: A is cyclopentadiene, benzene and indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I; and wherein X is selected from F, Cl, Br and I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from F, Cl, Br and I; and, Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n≥1); -O-(CHMeCHO)nR (n≥1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group.
According to some embodiments, the invention provides a method of controlling undesired plant growth comprising applying to the locus of the undesired plant growth: a. A first herbicide having the structure or a salt thereof, wherein: A is cyclopentadiene, benzene and indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, -Cl, -Br, and -I; and wherein X is selected from F, Cl, Br and I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from F, Cl, Br and I; and, Z is -COOH, -COO-, -OH, -O-R,-COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n≥1); -O-(CHMeCHO)nR (n≥1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group; and b. A second herbicide, to effectively control the undesired plant growth.
According to some embodiments, the invention provides a method of selectively controlling undesired vegetation, comprising applying to a locus of the undesired vegetation and agricultural composition comprising a compound or agriculturally acceptable salt, having the structure Wherein A is cyclopentadiene, benzene or indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N≡N+, -N=NR, -CR=NR, - N=CR, -F, -Cl, -Br, and -I, and wherein X is selected from F, Cl, Br and I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from -F, -Cl, -Br and -I; and, Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n≥1); -O-(CHMeCHO)nR (n≥1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group; and, wherein the locus of the undesired vegetation is a field of a crop.
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 demonstrates pre-emergence herbicidal effect of compound 5666 on Amaranthus palmeri, 21 DPA. Damage Score 5; Figure 2 demonstrates post-emergence herbicidal effect of compound 5679 on Amaranth tuberculatus, 14 DPA, foliar application. Damage Score 5; Figure 3 demonstrates herbicidal effect of compounds 5679, 5666 and 6651 in drench application on Malva nicaeensis, 14 DPA. Damage Score 4; Figure 4 demonstrates Selectivity of compound 5666 to cereals in soil application at dose 0.25 Kg/Ha, 21 DPA; Figure 5 demonstrates selectivity of compounds 5746 and 5666 to corn in foliar application, Kg/Ha, 21 DPA; Figure 6 demonstrates selectivity of compounds 5657, 5602, 5609, 5629 to cereals (corn and barley) in drench application (0.05%), 14 DPA; Figure 7 demonstrates herbicidal effect of compound 5679 in foliar application on Glyphosate resistance (Group 9) and Paraquat (Group 22) resistant Conyza bonariensis, 14 DPA; and, Figure 8 demonstrates herbicidal effect of compound 5679 (0.5 kg a.i./ Ha, foliar application) on Sonchus oleraceus resistant to Sulfonylurea (Group 2 herbicide), 14 DPA DETAILED DESCRIPTION OF THE INVENTION The present invention is now described more fully hereinafter with reference to the accompanying examples and drawings, in which embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those skilled in the art.
According to some embodiments, the invention provides an agricultural composition comprising a compound or a salt thereof having the structure or a salt thereof, wherein: A is cyclopentadiene, benzene and indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SO, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I, and wherein X is selected from -F, -Cl, -Br, and -I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from -F, -Cl, -Br, and -I; and Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n>1); -O-(CHMeCHO)nR (n>1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group; and, wherein the composition comprises at least one agriculturally acceptable carrier.
According to some embodiments of the above composition, A is a heterocycle substituted with at least one Electron Withdrawing Group (EWG). As used herein, the term "Electron Withdrawing Group" refers, without limitation to an atom or a group that draws electron density from neighboring atoms or aromatic ring, usually by resonance or inductive effects. The non-limiting list of the EWG of the invention includes: trifluoromethanesulfonyl and triflate groups; substituted ammonium groups, such as, without limitation, -NR+ (R is alkyl/s or H); nitro and nitroso groups -NO, -N=O; sulfonic acids and sulfonyl groups (-O)-SOH, -SOR;, trihalomethyl groups -CX (X is F, Cl, Br, I); haloformyl groups -COX (X is F, Cl, Br, I); formyl and acyl groups -CHO, -COR; (substituted) aminocarbonyl groups -CONH, -CONHR, -CONR; halo groups -F, -Cl, -Br, -I; Azo groups -N=N+ or -N=NR; Imino group -CR=NR or -N=CR.
According to some embodiments of the above compositions, Z may be, without limitation, carboxyl or salts thereof -COOH or COO-, hydroxyl -OH, ether -O-R, ester COOR with saturated or non- saturated alcohol groups with straight, branched, cyclic chain or aromatic/heteroaromatic chain, ethylene- and polyethylene glycol -O-(CHCHO)nR (n>1, R is H or alkyl), propylene and polypropylene glycol -O-(CHMeCHO)nR (n>1, R is H or alkyl), phosphates (substituted and non-substituted), sulfate/sulfonyl, carbamoyl group that consists of primary, secondary, and tertiary amide substituted with straight, branched, cyclic aliphatic chain, cyclic aromatic/heteroaromatic chain, ethylene glycol and polyethylene glycol (as above), propylene glycol, polypropylene glycol (as above), primary amine, secondary amine, tertiary amine, carboxamide, alkoxyamine groups of type -NR-O-R and -O-NR, hydrazine, acetamide group -NH-COR, and methanimidamide moiety, or salts thereof.
According to some embodiments of the above compositions, Z is selected from According to some embodiments, the above composition comprises a compound having the structure Wherein R is selected from Cl; Br; I; and -CF; R is H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1- yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1-one.
According to some embodiments, the above composition comprises a compound having the structure Wherein R is selected from Cl; Br; I; and CF; R is H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1- one.
According to some embodiments, the above composition comprises a compound or an acceptable salt thereof having the structure Wherein Ris selected from Cl; Br; I; and –CF; R is H or F; and Ris selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1-one.
According to some embodiments, the above composition comprises a compound or an acceptable salt thereof, having the structure Wherein R is selected from Cl; Br; I; and -CF; R is H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1- yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1-one.
According to some embodiments, the above composition comprises a compound having the structure Wherein R is selected from Cl; Br; I; and -CF; R is H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1- one.
According to some embodiments, the above composition comprises a compound or an acceptable salt thereof, having the structure Wherein R is selected from Cl; Br; I; and -CF; R and Ris each independently selected from H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1- (1H-inden-3-yl)propan-1-one.
According to some embodiments, the above composition comprises a non-limiting list of compounds including (2-bromo-1,3-thiazol-4-yl)(difluoro)acetic acid; difluoro[2-(trifluoromethyl) -1,3-thiazol-4-yl]acetic acid; 2-[2-(2-ethoxyethoxy)ethoxy]ethyl, (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2-bromophenyl)-2-oxoethyl, (2-chloro-1,3-thiazol-4- yl)(difluoro)acetate; 2-(2,7-methyl-2,3-dihydro-1H-inden-1-yl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2-chloro-1,3-oxazol-4-yl)(difluoro)acetic acid; ethyl (2-chloro-1,3-oxazol-4-yl)(difluoro)acetate; difluoro(1,2,3-thiadiazol-4-yl)acetic acid; (1,2,3-thiadiazol-4-yl)acetic acid; (3-chloro-1,2-thiazol-4-yl)(difluoro)acetic acid.
According to some embodiments of the above compositions, the non-limiting list of compounds, or agriculturally acceptable salts includes: According to some embodiments, the above agricultural compositions further comprise at least one crop protection agent. The non-limiting list of the crop protection agents includes atrazine, terbuthylazine, (S)-metolachlor, metolachlor, terbutryn, simazine, dimethenamid, (S)-dimethenamid, flufenacet, acetochlor, alachlor, isoxaflutole, isoxachlortole, mesotrione, sulcotrione, metosulam, flumetsulam, pendimethalin, bromoxynil,bentazone, carfentrazone-ethyl, clomazone, nicosulfuron,rimsulfuron, halosulfuron-methyl, metribuzin, flumiclorac- pentyl, prosulfuron, primisulfuron-methyl, dicamba, fluthiacet-methyl, pyridate, 2,4-D, clopyralide, diflufenzopyr, fluroxypyr, MCPA, MCPB, mecoprop (MCPP), metobenzuron, thifensulfuron-methyl, aclonifen, EPTC, glyphosate,glufosinate, sulfosate, cyanazine, propaquizafop, metamitron, pyramin, phenmedipham, desmedipham, ethofumesate, triasulfuron, chloridazon, lenacil, triallate, fluazifop, sethoxydim, quizalofop, clopyralide, clethodim, oxasulfuron, acifluorfen, benazolin-ethyl, sulfentrazone, chlorimuron-ethyl, cloransulam-methyl, fomesafen, imazamox, imazaquin, imazethapyr, imazapyr, lactofen, fenoxaprop(P-ethyl), thidiazuron, tribufos, trifluralin, dimethachlor, napropamide, quinmerac, metazachlor, carbetamide, dimefuron, propyzamide, ethametsulfuron-methyl, tebutam, fluometuron, prometryn, norflurazon, pyrithiobac-sodium, MSMA, DSMA, diuron, flurochloridone, dithiopyr, thiazopyr, oxyfluorfen, ethalfluralin, clodinafop, amidosulfuron, diclofop-methyl, diflufenican, ethoxysulfuron, fentrazamide, flazasulfuron, florasulam, fluazolate, flucarbazone, flupyrsulfuron-methyl sodium, flurtamone, iodosulfuron, isoproturon, chlortoluron, chlorsulfuron, metsulfuron-methyl, sulfosulfuron, tribenuron-methyl, 2,4-DB, 2,4-DP, bifenox, flamprop-M, imazamethabenz-methyl, ioxynil, tralkoxydim, fluoroglycofen-ethyl, methabenzthiazuron, isoxaben, prosulfocarb, difenzoquat-metilsulfate, pretilachlor, cinosulfuron, fenclorim, bensulfuron-methyl, imazosulfuron, pyrazosulfuron-ethyl, azimsulfuron, esprocarb, mefenacet, molinate, propanil, pyrazolate, cyhalofop-butyl, bispyribac- sodium, pyriminobac-methyl, cafenstrole, oxadiargyl, oxadiazon, bromobutide, MY- 100, dymron, NB 061, MK243, HW-52, AC 014, ametryn, hexazinone, asulam, azafenidin, tebuthiuron, ethametsulfuron-methyl, or a combination thereof.
According to some embodiments, the invention provides a method of controlling undesired plant growth comprising applying to the locus of said undesired plant growth the agricultural composition according to the embodiments of the above composition.
According to some embodiments, the invention provides a method of controlling undesired plant growth comprising applying to the locus of the undesired plant growth a herbicidally effective amount of a compound having the structure or a salt thereof, wherein: A is cyclopentadiene, benzene and indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SO, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I, and wherein X is selected from -F, -Cl, -Br, and -I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, , -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from -F, -Cl, -Br, and -I; and Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n>1); -O-(CHMeCHO)nR (n>1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group.
According to some embodiments of the above method, Z might be selected, without limitation, from the group including: According to some embodiments of the above method, the non-limiting list of compounds, or agriculturally acceptable salts includes According to some embodiments, the above method further comprises applying to the locus of the undesired plant growth at least one crop protection agent. According to some embodiments, the crop protection agent is selected from the group consisting of herbicide, fungicide, insecticide and a plant growth regulator.
According to some embodiments of the above method, the crop protection agent is herbicide.
According to some embodiments of the above method, the crop protection agent is amino acid synthesis inhibitor herbicide. The non-limiting list of amino acid synthesis inhibitor herbicides of the invention includes: sulfonylurea herbicide, imidazolinone herbicide, sulfonamide herbicide, amino acid derivatives, imazamox, imazapic, imazethapyr, imazaquin, imazapyr and imazamethabenz, Chlorimuron, Primisulfuron, Thifensulfuron, Triasulfuron, Nicosulfuron, Metsulfuron, Tribenuron, Rimsulfuron, Triflusulfuron, glyphosate or any combination thereof.
According to some embodiments of the above method, the crop protection agent is a plant growth regulator.
According to some embodiments of the above method, the non-limiting list of plant growth regulators of the invention includes dicamba, 2,4-D, clopyralid and fluroxypyr.
According to some embodiments, the invention provides a method of controlling undesired plant growth comprising applying to the locus of the undesired plant growth a. a first herbicide having the structure or a salt thereof, wherein A is cyclopentadiene, benzene and indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SO, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N=N+, - 25 N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I, and wherein X is selected from -F, -Cl, -Br, and -I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from -F, -Cl, -Br, and -I; and Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n>1); -O-(CHMeCHO)nR (n>1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group; and b. a second herbicide, to effectively control the undesired plant growth.
According to some embodiments of the above method, Z might be selected, without limitation, from the group including: According to some embodiments of the above method, the second herbicide can be, without limitation, amino acid synthesis inhibitor herbicide, such as sulfonylurea herbicide, imidazolinone herbicide, sulfonamide herbicide, and amino acid derivative.
According to some embodiments of the above method, the second herbicide may be selected from a non-limiting list including imazamox, imazapic, imazethapyr, imazaquin, imazapyr, imazamethabenz, Chlorimuron, Primisulfuron, Thifensulfuron, Triasulfuron, Nicosulfuron, Metsulfuron, Tribenuron, Rimsulfuron, Triflusulfuron, Glyphosate, atrazine, terbuthylazine, (S)-metolachlor, metolachlor, terbutryn, simazine, dimethenamid, (S)-dimethenamid, flufenacet, acetochlor, alachlor, isoxaflutole, isoxachlortole, mesotrione, sulcotrione, metosulam, flumetsulam, pendimethalin, bromoxynil, bentazone, carfentrazone-ethyl, clomazone, nicosulfuron, rimsulfuron, halosulfuron-methyl, metribuzin, flumiclorac-pentyl, prosulfuron, primisulfuron-methyl, dicamba, fluthiacet-methyl, pyridate, 2,4-D, clopyralide, diflufenzopyr, fluroxypyr, MCPA, MCPB, mecoprop (MCPP), metobenzuron, thifensulfuron-methyl, aclonifen, EPTC, glyphosate, glufosinate, sulfosate, cyanazine, propaquizafop, metamitron, pyramin, phenmedipham, desmedipham, ethofumesate, triasulfuron, chloridazon, lenacil, triallate, fluazifop, sethoxydim, quizalofop, clopyralide, clethodim, oxasulfuron, acifluorfen, benazolin- ethyl, sulfentrazone, chlorimuron-ethyl, cloransulam-methyl, fomesafen, imazamox, imazaquin, imazethapyr, imazapyr, lactofen, fenoxaprop(P-ethyl), thidiazuron, tribufos, trifluralin, dimethachlor, napropamide, quinmerac, metazachlor, carbetamide, dimefuron, propyzamide, ethametsulfuron-methyl, tebutam, fluometuron, prometryn, norflurazon, pyrithiobac- sodium, MSMA, DSMA, diuron, flurochloridone, dithiopyr, thiazopyr, oxyfluorfen, ethalfluralin, clodinafop, amidosulfuron, diclofop-methyl, diflufenican, ethoxysulfuron, fentrazamide, flazasulfuron, florasulam, fluazolate, flucarbazone, flupyrsulfuron-methyl sodium, flurtamone, iodosulfuron, isoproturon, chlortoluron, chlorsulfuron, metsulfuron-methyl, sulfosulfuron, tribenuron-methyl, 2,4-DB,2,4-DP, bifenox, flamprop-M, imazamethabenz-methyl, ioxynil, tralkoxydim, fluoroglycofen-ethyl, methabenzthiazuron, isoxaben, prosulfocarb, difenzoquat-metilsulfate, pretilachlor, cinosulfuron, fenclorim, bensulfuron-methyl, imazosulfuron, pyrazosulfuron-ethyl, azimsulfuron, esprocarb, mefenacet, molinate, propanil, pyrazolate, cyhalofop-butyl, bispyribac- sodium, pyriminobac-methyl, cafenstrole, oxadiargyl, oxadiazon, bromobutide, MY-100, dymron, NB 061, MK243, HW-52, AC 014, ametryn, hexazinone, asulam, azafenidin, tebuthiuron, and ethametsulfuron- methyl.
According to some embodiments, the above methods further comprise applying to the locus of undesired growth a third herbicide or a plant growth regulator.
According to some embodiments, the invention provides a composition for controlling undesired plant growth comprising a mixture of: a. a first herbicide having the structure or a salt thereof, wherein A is cyclopentadiene, benzene and indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SO, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I, and wherein X is selected from -F, -Cl, -Br, and -I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O- SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from -F, -Cl, -Br, and -I; and Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n>1); -O-(CHMeCHO)nR (n>1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group; b. at least one herbicide or a plant growth regulator; and, c. at least one acceptable carrier.
According to some embodiments, the invention provides a method of selectively inhibiting growth of undesired vegetation comprising applying to the locus of the undesired plant growth a herbicidally effective amount of a compound having the structure 25 or a salt thereof, wherein: A is cyclopentadiene, benzene and indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SO, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I, and wherein X is selected from -F, -Cl, -Br, and -I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N=N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from -F, -Cl, -Br, and -I; and Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n>1); -O-(CHMeCHO)nR (n>1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group.
As used herein the term "undesired plant growth" is interchangeable wit terms such as "unwanted vegetation", "weed growth", "undesired vegetation" and such, and refers to growth of weeds at the expense of crops. The inhibition of growth can be a full inhibition of growth, partial inhibition of growth, exerting negative effect on the growth rate of the weed in comparison to the growth rate of the crop. The effect on the weed performance can be achieved prior to its emergence resulting in lack and/or less weeds at the treated area, or after the emergence, resulting in growth arrest, irreversible damage to the weed and death of the plant. In the context of the invention the term "plant" refers, without limitation, to whole plant or its parts, including roots, leaves, fruits, flowers, tissues, seeds or any other plant part.
As used herein the term "selectively inhibiting" refers to inhibiting the growth of the weed, without exerting negative effect on the crop.
According to some embodiments of the above methods and compositions, the non-limiting list of crops of the invention includes soybean, maize, cereals, rice, barley, sorghum, oilseed and oats.
According to some embodiments of the above methods, the "undesired plant growth" refers to weeds resistant to herbicides, such as, without limitation, HPAC 9 group (Inhibitors of EPSP synthesis), 2 (Acetolactate Synthase (ALS) inhibitors), 22 (Photosystem I, Paraquat), and 4 (Plant growth regulators or synthetic auxins).
According to some embodiments of the above methods and compositions, the application can be, without limitation, a foliar application, a drench application or a soil application.
According to some embodiments, the invention provides a method of inhibiting the growth of weeds, in a selective manor.
According to some embodiments, the composition is applied to the soil pre-emergence and to the weeds post-emergence.
According to some embodiments, the invention provides an agricultural composition comprising a compound or a salt thereof selected from 2-(2,5-dichlorothiophen-3-yl)ethan-1-amine; 3-(2,5-dichlorothiophen-3-yl)-2-hydroxypropanoic acid; 2-(2,5-dichlorothiophen-3- yl)acetic acid; 1-(2,5-dichlorothiophen-3-yl)methanamine; 2-(thiophen-3-yl)ethan-1-amine; 2-(thiophen-3-yl)ethan-1-ol; 2-amino-1-(thiophen-3-yl)ethan-1-ol; 2-(thiophen-3-yl)acetamide; 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine; 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine; 3-(thiophen-3-yl)propan-1-amine; 2,5-dichloro-1,3-thiazole-4-carboxylic acid; 4-(2,5-dichlorothiophen-3-yl)butanoic acid; ethyl 3-[5-(chloromethyl)-1,3,4-thiadiazol-2-yl]-2-acetamido-3,3- difluoropropanoate; 2-amino-3-(1H-indazol-3-yl)propanoic acid hydrochloride[HCl]; (2-bromopyridin-4-yl)acetic acid; 3-(2-bromopyridin-4-yl)-2-hydroxypropanoic acid; 2-(2- bromopyridin-4-yl)ethan-1-amine; 4-(2-aminoethyl)phenol; bis[(2-bromopyridin-4-yl)methyl]amine; 2-(pyridin-3-yl)acetamide; 2-(2,6-dibromopyridin-4-yl)acetic acid; 2-bromo-4-(2-bromoethyl)pyridine; naphthalene-2-carboxylic acid; 2-bromopyridine-4-carboxylic acid; (2E)-3-(2,6-dichloropyridin-3-yl)prop-2-enoic acid; 2-amino-N-(2-bromopyridin-4-yl)ethane-1-sulfonamide; 4-(2,5-dichlorothiophen-3-yl)butanamide; 2-(thiophen-3-yl)ethane-1-thiol; (2- aminoethyl)[(2,5-dichlorothiophen-3-yl)methyl]amine; 2-{[2-(thiophen-3-yl)ethyl]sulfanyl}ethan-1-amine; 3-(thiophen-3-yl)propane-1,2-diol; 3-[(2,5-dichlorothiophen-3-yl)formamido]-2,2-difluoropropanoic acid; 3-(2,5-dichlorothiophen-3-yl)propanoic acid; (2E)-3-(5-chlorothiophen-2-yl)prop-2-enoic acid; (2E)-3-(1,3-thiazol-5-yl)prop-2-enoic acid; 2-(2,5-dichlorothiophen-3-yl)acetamide; [(2,5-dichlorothiophen-3-yl)methyl]hydrazine; 3-{[(2,5- dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid; 3-(2,5-dichlorothiophen-3-yl)-2-oxopropanoic acid; 2,5-dichloro-1,3-thiazole-4-carbonyl chloride; 2-bromo-N-[(2,5-dichlorothiophen-3-yl)methyl]pyridine-4-carboxamide; 2-{[(2,5-dichlorothiophen-3-yl)methyl]amino}acetic acid; dichloro-1,3-thiazole-4-carboxamide; N-(2,5-dichloro-1,3-thiazol-4-yl)acetamide; (3E)-4-(2,5-dichlorothiophen-3-yl)-2-oxobut-3-enoic acid; (2E)-3-(3-chloro-1H- 1,2,4-triazol-5-yl)prop-2-enoic acid; (2E)-3-(2,4-dichloro-1,3-thiazol-5-yl)prop-2-enoic acid; 2-(2-chlorothiophen-3-yl)-2,2-difluoroacetic acid; 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid; 2-(5-chlorothiophen-3-yl)-2,2-difluoroacetic acid; 3-{4-[(2,5-dichlorothiophen-3-yl)methyl]piperazin-1-yl}propanoic acid; trichloro-1,3-thiazole; 3-(1H-1,2,4-triazol-1-yl)propanoic acid; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide; 4-(2,5- dichlorothiophen-3-yl)-2,2-dimethylbutanoic acid; 2-(2,5-dichlorothiophen-3-yl)-2-oxoacetic acid; 4-(2,5-dichlorothiophen-3-yl)-4,4-difluorobutanoic acid; 2-amino-3-(1H-1,2,4-triazol-1-yl)propanoic acid dihydrochloride [HCl]; N-propyl-3-(4H-1,2,4-triazol-3-yl)propanamide; propyl 3-(4H-1,2,4-triazol-3-yl)propanoate; 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetamide; 2-(2,5-dichloro-1,3-thiazol-4-yl)acetic acid; 3-(2,5-dichloro-1,3-thiazol-4-yl)-N- propylpropanamide; ethyl 3-(2,5-dichloro-1,3-thiazol-4-yl)propanoate; (2,5-dichlorothiophen-3-yl)(difluoro)acetic acid; 2-(3-bromo-1H-1,2,4-triazol-5-yl)ethan-1-amine; ethyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; [2-(2,5-dichlorothiophen-3-yl)(difluoro)acetamido]acetic acid; 2-oxo-2-(2,4,5-trichlorothiophen-3-yl)acetic acid; 3-(2,5-dichlorothiophen-3-yl)-N-ethylpropanamide; 3-[(2,5-dibromothiophene-3- sulfonyl)amino]propanoic acid; N-(2-aminoethyl)-2,5-dibromothiophene-3-sulfonamide; ethyl 3-(2,5-dichlorothiophen-3-yl)propanoate; N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]acetamide; 2,2-difluoro-2-(2,4,5-trichlorothiophen-3-yl)acetic acid; methyl oxo(2,4,5-trichlorothiophen-3-yl)acetate; 1-(2,5-dichloro-1,3-thiazol-4-yl)methanamine; 2,2-difluoro-2-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)acetic acid; ethyl (2,5-dichloro-1,3-thiazol-4-yl)(difluoro)acetate; methyl 2-chloro-2-(2,5-dichlorothiophen-3-yl)acetate; 4-(2,5-dichlorothiophen-3-yl)butan-1- amine; 2-amino-2-(2,5-dichlorothiophen-3-yl)acetic acid; propyl[2-(1H-1,2,4-triazol-3-yl)ethyl]amine; ethyl 2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate; ethyl 2-bromo-2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate; ethyl 2-(2-bromo-1,3-thiazol-4-yl)acetate; sodium (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2,5-dichloro-1,3-thiazol-4-yl)-2,2-difluoroacetic acid,; ethyl (2,5-dichlorothiophen-3-yl)acetate; benzyl 2-(2,5-dichlorothiophen-3-yl)acetate; 2- (2,5-dichlorothiophen-3-yl)-N-methoxyethan-1-amine; 2-(2,5-dichlorothiophen-3-yl)-N,N,N-trimethylethan-1-aminium; ethyl 2-(5-bromo-2-methyl-1,3-thiazol-4-yl)acetate; 2-amino-4,5,6,7-tetrahydro-1,3-benzothiazole-4-carboxylic acid hydrochloride; 5-(2,5-dichlorothiophen-3-yl)imidazolidine-2,4-dione; 2-chloro-4-phenyl-1,3-thiazole; 2-(2-amino-1,3-thiazol-4-yl)-2,2-difluoroacetic acid; 2,2-difluoro-2-[2-(trifluoromethyl)-1,3-thiazol-4- yl]acetic acid; 2-(2,5-dichloro-1,3-thiazol-4-yl)-N,N,N-trimethylethan-1-aminium; 2-chloro-4-(phenoxymethyl)-1,3-thiazole; 2-chloro[1,3]thiazolo[5,4-b]pyridine-6-carboxylic acid; 4-benzyl-2-chloro-1,3-thiazole; 3-({[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]amino}methyl)phenol; 2,2-difluoro-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid; dibenzyl[(2-chloro-1,3-thiazol-4-yl)methyl]amine; dichloro-1,3-thiazole-4-sulfinic acid; 2-(2,5-dichloro-1,3-thiazol-4-yl)ethan-1- amine; 2,5-dichlorothiophene-3-carboxylic acid; (thiophen-3-yl)acetic acid; benzyl[2-(2,5-dichlorothiophen-3-yl)ethyl]amine; (thiophen-3-yl)propanedioic acid; N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]-2-(3- hydroxyphenyl)acetamide; 4-[difluoro(phenyl)methyl]-1,3-thiazol-2-amine; 4-[difluoro(phenyl)methyl]-1H-imidazole; 2-chloro-4-[difluoro(phenyl)methyl]-1,3-thiazole; 2,2-difluoro[2-(trifluoromethyl)-1,3-thiazol-5-yl]acetic acid; ethyl 2,2-difluoro-2-[5- (trifluoromethyl)thiophen-2-yl]acetate; 2-chloro-4-(2-hydrazinylethyl)-1,3-thiazole; ethyl difluoro(thiophen-3-yl)acetate; 2-(2-chloro-1,3-thiazol-4-yl)acetohydrazide; [2-(2,5-dichlorothiophen-3-yl)ethyl]hydrazine; ethyl difluoro[5-(trifluoromethyl)thiophen-3-yl]acetate; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-2-phenylacetamide; benzyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2,2-difluoro-2-[5-(trifluoromethyl)-1,3-thiazol-2- yl]acetic acid; [2-(5-chlorothiophen-3-yl)ethyl]hydrazine; [(2-chloro-1,3-thiazol-4- yl)methyl]phosphonic acid; 1-(2-chloro-1,3-thiazol-4-yl)-3-phenylpropan-2-one; 2-(2-chloro-1,3-thiazol-4-yl)-N'-methylacetohydrazide; 2-[2-(5-chloro-3-fluoropyridin-2-yl)-1,3-thiazol-4-yl]acetic acid; 2,2-difluoro-2-[5-methyl-2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid; 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroethan-1-ol; N'-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N-(3-hydroxypropyl)guanidine; 2-carbamimidamido-N-[2-(2,5-dichlorothiophen-3- yl)ethyl]acetamide; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N'-(2-hydroxypropyl)guanidine; difluoro[2-(trifluoromethyl)thiophen-3-yl]acetic acid ; ethyl 2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-bromo-1,3-thiazol-4-yl)-2,2-difluoroacetic acid; 2-[2-(2,5-dichlorothiophen-3-yl)ethyl]-1,4,5,6- tetrahydropyrimidin-5-ol; 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol; 2-{[2-(2,5-dichlorothiophen-3- yl)ethyl](4,5-dihydro-1H-imidazol-2-yl)amino}ethan-1-ol; 2-[2-(4-chloro-2-fluorophenyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)acetate; 2,2-difluoro-2-{2-[3-fluoro-5-(trifluoromethyl)pyridin-2-yl]-1,3-thiazol-4-yl}acetic acid; [(2-bromo-1,3-thiazol-4-yl)(difluoro)methyl]phosphonic acid; 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 4-amino-5-(2-chlorothiophen-3- yl)pentanoic acid; 2-oxo-2-(pyridin-2-yl)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-oxo-2-phenylethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol; 3-acetyl-1-[2-(2,5-dichlorothiophen-3-yl)ethyl]piperidin-4-one; [2,5-bis(trifluoromethyl)-1,3-thiazol-4-yl](difluoro)acetic acid; 2-[2-(benzyloxy)ethoxy]ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2- difluoroacetate; 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(1,2,3-thiadiazol-4-yl)acetic acid; [2-(2,4-dimethylbenzene-1-sulfonyl)-1,3-thiazol-4-yl](difluoro)acetic acid; 5H,6H-thieno[3,2-d][1,2,3]thiadiazole-5-carboxylic acid; (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid; {2-[(6-amino-9H-purin-9-yl)methoxy]ethoxy}methyl (2-chloro-1,3- thiazol-4-yl)acetate; (2-chloro-1,3-thiazol-4-yl)(cyano)acetic acid; (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid; (6-cyanopyridin-2-yl)(difluoro)acetic acid; (6-bromopyridin-2-yl)methyl 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetate; (6-bromopyridin-2-yl)methyl (2,5-dichlorothiophen-3-yl)acetate; difluoro[4-(trifluoromethyl)thiophen-3-yl]acetic acid ; (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2-bromophenyl)methyl (2,5-dichlorothiophen-3- yl)(difluoro)acetate; 2-(3-chloro-1,2-thiazol-4-yl)-2,2-difluoroacetic acid; 2,5,8,11,14-pentaoxahexadecan-16-yl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-chloro-1,3-benzothiazol-4-yl)-2,2-difluoroacetic acid; 2-[5-chloro-2-(trifluoromethyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; 2-[2-chloro-5-(2-phenylethynyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; 2-(4-methylphenyl)-2-oxoethyl (2- chloro-1,3-thiazol-4-yl)acetate; 2-(2-cyanothiophen-3-yl)acetic acid; octyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 3-(2-chloro-1,3-thiazol-4-yl)-3-oxopropanoic acid; 2-(6-bromopyridin-2-yl)-2-oxoethyl (2-chlorothiophen-3-yl)acetate; 4-(2,5-dichloro-1,3-thiazol-4-yl)but-3-ynoic acid; 2-bromopyridine-4-carboxamide; (2E)-3-(6-chloropyridin-2-yl)prop-2-enoic acid; (2E)-3-(2-chloropyridin-3-yl)prop-2-enoic acid; (2E)-3-(2-bromopyridin-3-yl)prop-2- enoic acid; (2E)-3-(2-bromopyridin-4-yl)prop-2-enoic acid; 2-bromo-N-(2-bromopyridin-4-yl)pyridine-4-carboxamide; (2E)-3-(2-bromopyridin-4-yl)-N-(4-hydroxyphenyl)prop-2-enamide; 3-(2-bromopyridin-4-yl)-2-oxopropanoic acid; 2-(2,6-dibromopyridin-4-yl)ethan-1-amine; 4-(2-aminoethyl)-6-bromopyridine-2-carbonitrile; 2,2-difluoro-2-(pyridin-4-yl)acetic acid; 2-[4-(pyridin-4-yloxy)phenyl]acetic acid; 3-amino-3-(2-bromopyridin-4-yl)propanamide; 2-(6- bromopyridin-2-yl)-2,2-difluoroacetic acid; 3-[(2-bromopyridin-4-yl)formamido]-2,2-difluoropropanoic acid; 2,2-difluoro-2-(pyrimidin-2-yl)acetic acid; 2-(6-bromopyridin-3-yl)-2,2-difluoroacetic acid; 2-(6-bromopyrimidin-4-yl)ethan-1-amine; 2-[2-amino-3-(4-hydroxyphenyl)propanamido]-3- phenylpropanoic acid hydrochloride; 2-(2-phenoxypyridin-4-yl)ethan-1-amine; (2-bromopyridin-4-yl)(oxo)acetic acid; 1-chloroisoquinoline-7-carboxylic acid; 2-(2,6-dichloropyridin-4-yl)-2,2-difluoroacetic acid; methyl 2-(2-bromopyridin-4-yl)-2,2-difluoroacetate; (2,6-dibromopyridin-4-yl)-2,2-difluoroacetic acid; 2-(2,6-dibromopyridin-4-yl)-2,2-difluoroacetamide; 6-bromopyridine-2-carboximidamide hydrochloride; ethyl 2-(6-bromopyridin-2-yl)acetate; N-[(6-bromopyridin-2-yl)methyl]guanidine; N-(6-bromopyridin-2-yl)guanidine hydrochloride; (2E)-3-(6-bromopyridin-3-yl)-2,3-difluoroprop-2-enoic acid; ethyl 2-(6-bromopyridin-2-yl)-2,2-difluoroacetate; 2-(6-bromopyridin-2-yl)-2,2-difluoroethan-1-ol ; [2-(6-bromopyridin-2-yl)ethyl]trimethylazanium; 2-bromo-6-phenoxypyridine; benzyl (6-bromopyridin-2-yl)(difluoro)acetate; 2-amino-3-(6-bromopyridin-2-yl)propan-1-ol; 2-(6-bromopyridin-2-yl)ethanimidamide hydrochloride; 3-(2-bromopyridin-4-yl)propan-1-amine; 2-bromo-6-[difluoro(phenyl)methyl]pyridine; 2,2-difluoro-2-[6-(trifluoromethyl)pyridin-2- yl]acetic acid; 2,2-difluoro-2-[4-(trifluoromethyl)pyrimidin-2-yl]acetic acid; 2-(6-chloropyrazin- 2-yl)-2,2-difluoroacetic acid; 2,2-difluoro-2-[6-(trifluoromethyl)pyrazin-2-yl]acetic acid; 2-[6-(4-chloro-2-fluorophenyl)pyridin-2-yl]-2,2-difluoroacetic acid; 2-(6-bromopyridin-2-yl)ethan-1-amine; 2-[6-(2,5-dichlorothiophen-3-yl)pyridin-2-yl]-2,2-difluoroacetic acid; 2,2-difluoro-2-{6-[2-(trifluoromethyl)-1,3-thiazol-4-yl]pyridin-2-yl}acetic acid; 2,2-difluoro-2-{6-[2-fluoro-4-(trifluoromethyl)phenyl]pyridin-2-yl}acetic acid; difluoro(3,5,6-trifluoropyridin-2-yl)acetic acid; 2-fluoro-2-(3,5,6-trifluoropyridin-2-yl)acetic acid; 2-[6-(2-chloro-1,3-thiazol-4-yl)pyridin-2-yl]-2,2-difluoroacetic acid; (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid; difluoro(6-fluoropyridin-2-yl)acetic acid; difluoro[6-(methylideneamino)pyridin-2-yl]acetic acid; (6-chloropyridin-2-yl)(difluoro)acetic acid; (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid; octyl (2-bromo-6-cyanopyridin-3-yl)acetate; octyl (6-bromo-2-cyanopyridin-3-yl)acetate; and at least one acceptable carrier.
According to some embodiments, the invention provides a method of controlling undesired plant growth comprising applying to the locus of the undesired growth a compound or a salt thereof selected from: 2-(2,5-dichlorothiophen-3-yl)ethan-1-amine; 3-(2,5-dichlorothiophen-3-yl)-2-hydroxypropanoic acid; 2-(2,5-dichlorothiophen-3-yl)acetic acid; 1-(2,5- dichlorothiophen-3-yl)methanamine; 2-(thiophen-3-yl)ethan-1-amine; 2-(thiophen-3-yl)ethan-1-ol; 2-amino-1-(thiophen-3-yl)ethan-1-ol; 2-(thiophen-3-yl)acetamide; 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine; 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine; 3-(thiophen-3-yl)propan-1-amine; 2,5-dichloro-1,3-thiazole-4-carboxylic acid; 4-(2,5-dichlorothiophen-3-yl)butanoic acid; ethyl 3-[5-(chloromethyl)-1,3,4-thiadiazol-2-yl]-2-acetamido-3,3-difluoropropanoate; 2-amino-3-(1H- indazol-3-yl)propanoic acid hydrochloride[HCl]; (2-bromopyridin-4-yl)acetic acid; 3-(2-bromopyridin-4-yl)-2-hydroxypropanoic acid; 2-(2-bromopyridin-4-yl)ethan-1-amine; 4-(2-aminoethyl)phenol; bis[(2-bromopyridin-4-yl)methyl]amine; 2-(pyridin-3-yl)acetamide; 2-(2,6-dibromopyridin-4-yl)acetic acid; 2-bromo-4-(2-bromoethyl)pyridine; naphthalene-2-carboxylic acid; 2-bromopyridine-4-carboxylic acid; (2E)-3-(2,6-dichloropyridin-3-yl)prop-2-enoic acid; 2- amino-N-(2-bromopyridin-4-yl)ethane-1-sulfonamide; 4-(2,5-dichlorothiophen-3-yl)butanamide; 2-(thiophen-3-yl)ethane-1-thiol; (2-aminoethyl)[(2,5-dichlorothiophen-3-yl)methyl]amine; 2-{[2-(thiophen-3-yl)ethyl]sulfanyl}ethan-1-amine; 3-(thiophen-3-yl)propane-1,2-diol; 3-[(2,5-dichlorothiophen-3-yl)formamido]-2,2-difluoropropanoic acid; 3-(2,5-dichlorothiophen-3-yl)propanoic acid; (2E)-3-(5-chlorothiophen-2-yl)prop-2-enoic acid; 30 (2E)-3-(1,3-thiazol-5-yl)prop-2-enoic acid; 2-(2,5-dichlorothiophen-3-yl)acetamide; [(2,5-dichlorothiophen-3-yl)methyl]hydrazine; 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid; 3-(2,5-dichlorothiophen-3-yl)-2-oxopropanoic acid; 2,5-dichloro-1,3-thiazole-4-carbonyl chloride; 2-bromo-N-[(2,5-dichlorothiophen-3-yl)methyl]pyridine-4-carboxamide; 2-{[(2,5-dichlorothiophen-3-yl)methyl]amino}acetic acid; dichloro-1,3-thiazole- 4-carboxamide; N-(2,5-dichloro-1,3-thiazol-4-yl)acetamide; (3E)-4-(2,5-dichlorothiophen-3-yl)-2-oxobut-3-enoic acid; (2E)-3-(3-chloro-1H-1,2,4-triazol-5-yl)prop-2-enoic acid; (2E)-3-(2,4-dichloro-1,3-thiazol-5-yl)prop-2-enoic acid; 2-(2-chlorothiophen-3-yl)-2,2-difluoroacetic acid; 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid; 2-(5-chlorothiophen-3-yl)-2,2-difluoroacetic acid; 3-{4-[(2,5-dichlorothiophen-3- yl)methyl]piperazin-1-yl}propanoic acid; trichloro-1,3-thiazole; 3-(1H-1,2,4-triazol-1-yl)propanoic acid; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide; 4-(2,5-dichlorothiophen-3-yl)-2,2-dimethylbutanoic acid; 2-(2,5-dichlorothiophen-3-yl)-2-oxoacetic acid; 4-(2,5-dichlorothiophen-3-yl)-4,4-difluorobutanoic acid; 2-amino-3-(1H-1,2,4-triazol-1-yl)propanoic acid dihydrochloride [HCl]; N-propyl-3-(4H-1,2,4-triazol-3-yl)propanamide; propyl 3-(4H-1,2,4- triazol-3-yl)propanoate; 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetamide; 2-(2,5-dichloro-1,3-thiazol-4-yl)acetic acid; 3-(2,5-dichloro-1,3-thiazol-4-yl)-N-propylpropanamide; ethyl 3-(2,5-dichloro-1,3-thiazol-4-yl)propanoate; (2,5-dichlorothiophen-3-yl)(difluoro)acetic acid; 2-(3-bromo-1H-1,2,4-triazol-5-yl)ethan-1-amine; ethyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; [2-(2,5-dichlorothiophen-3-yl)(difluoro)acetamido]acetic acid; 2-oxo-2- (2,4,5-trichlorothiophen-3-yl)acetic acid; 3-(2,5-dichlorothiophen-3-yl)-N-ethylpropanamide; 3-[(2,5-dibromothiophene-3-sulfonyl)amino]propanoic acid; N-(2-aminoethyl)-2,5-dibromothiophene-3-sulfonamide; ethyl 3-(2,5-dichlorothiophen-3-yl)propanoate; N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]acetamide; 2,2-difluoro-2-(2,4,5-trichlorothiophen-3-yl)acetic acid; methyl oxo(2,4,5-trichlorothiophen-3-yl)acetate; 1-(2,5-dichloro-1,3-thiazol-4- yl)methanamine; 2,2-difluoro-2-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)acetic acid; ethyl (2,5-dichloro-1,3-thiazol-4-yl)(difluoro)acetate; methyl 2-chloro-2-(2,5-dichlorothiophen-3-yl)acetate; 4-(2,5-dichlorothiophen-3-yl)butan-1-amine; 2-amino-2-(2,5-dichlorothiophen-3-yl)acetic acid; propyl[2-(1H-1,2,4-triazol-3-yl)ethyl]amine; ethyl 2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate; ethyl 2-bromo-2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate; ethyl 2-(2- bromo-1,3-thiazol-4-yl)acetate; sodium (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2,5- dichloro-1,3-thiazol-4-yl)-2,2-difluoroacetic acid,; ethyl (2,5-dichlorothiophen-3-yl)acetate; benzyl 2-(2,5-dichlorothiophen-3-yl)acetate; 2-(2,5-dichlorothiophen-3-yl)-N-methoxyethan-1-amine; 2-(2,5-dichlorothiophen-3-yl)-N,N,N-trimethylethan-1-aminium; ethyl 2-(5-bromo-2-methyl-1,3-thiazol-4-yl)acetate; 2-amino-4,5,6,7-tetrahydro-1,3-benzothiazole-4-carboxylic acid hydrochloride; 5-(2,5-dichlorothiophen-3-yl)imidazolidine-2,4-dione; 2-chloro-4-phenyl- 1,3-thiazole; 2-(2-amino-1,3-thiazol-4-yl)-2,2-difluoroacetic acid; 2,2-difluoro-2-[2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid; 2-(2,5-dichloro-1,3-thiazol-4-yl)-N,N,N-trimethylethan-1-aminium; 2-chloro-4-(phenoxymethyl)-1,3-thiazole; 2-chloro[1,3]thiazolo[5,4-b]pyridine-6-carboxylic acid; 4-benzyl-2-chloro-1,3-thiazole; 3-({[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]amino}methyl)phenol; 2,2-difluoro-2-(1H-1,2,3,4-tetrazol- 5-yl)acetic acid; dibenzyl[(2-chloro-1,3-thiazol-4-yl)methyl]amine; dichloro-1,3-thiazole-4-sulfinic acid; 2-(2,5-dichloro-1,3-thiazol-4-yl)ethan-1-amine; 2,5-dichlorothiophene-3-carboxylic acid; (thiophen-3-yl)acetic acid; benzyl[2-(2,5-dichlorothiophen-3-yl)ethyl]amine; (thiophen-3-yl)propanedioic acid; N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]-2-(3- hydroxyphenyl)acetamide; 4-[difluoro(phenyl)methyl]-1,3-thiazol-2-amine; 4- [difluoro(phenyl)methyl]-1H-imidazole; 2-chloro-4-[difluoro(phenyl)methyl]-1,3-thiazole; 2,2-difluoro[2-(trifluoromethyl)-1,3-thiazol-5-yl]acetic acid; ethyl 2,2-difluoro-2-[5-(trifluoromethyl)thiophen-2-yl]acetate; 2-chloro-4-(2-hydrazinylethyl)-1,3-thiazole; ethyl difluoro(thiophen-3-yl)acetate; 2-(2-chloro-1,3-thiazol-4-yl)acetohydrazide; [2-(2,5-dichlorothiophen-3-yl)ethyl]hydrazine; ethyl difluoro[5-(trifluoromethyl)thiophen-3- yl]acetate; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-2-phenylacetamide; benzyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2,2-difluoro-2-[5-(trifluoromethyl)-1,3-thiazol-2-yl]acetic acid; [2-(5-chlorothiophen-3-yl)ethyl]hydrazine; [(2-chloro-1,3-thiazol-4-yl)methyl]phosphonic acid; 1-(2-chloro-1,3-thiazol-4-yl)-3-phenylpropan-2-one; 2-(2-chloro-1,3-thiazol-4-yl)-N'-methylacetohydrazide; 2-[2-(5-chloro-3-fluoropyridin-2-yl)-1,3-thiazol-4- yl]acetic acid; 2,2-difluoro-2-[5-methyl-2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid; 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroethan-1-ol; N'-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N-(3-hydroxypropyl)guanidine; 2-carbamimidamido-N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N'-(2-hydroxypropyl)guanidine; difluoro[2-(trifluoromethyl)thiophen-3-yl]acetic acid ; ethyl 2-(2-amino-5-chloro-1,3-thiazol-4- yl)-2,2-difluoroacetate; 2-(2-bromo-1,3-thiazol-4-yl)-2,2-difluoroacetic acid; 2-[2-(2,5- dichlorothiophen-3-yl)ethyl]-1,4,5,6- tetrahydropyrimidin-5-ol; 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol; 2-{[2-(2,5-dichlorothiophen-3-yl)ethyl](4,5-dihydro-1H-imidazol-2-yl)amino}ethan-1-ol; 2-[2-(4-chloro-2-fluorophenyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)acetate; 2,2-difluoro-2-{2-[3-fluoro-5-(trifluoromethyl)pyridin-2-yl]-1,3-thiazol-4-yl}acetic acid; [(2-bromo-1,3-thiazol-4-yl)(difluoro)methyl]phosphonic acid; 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 4-amino-5-(2-chlorothiophen-3-yl)pentanoic acid; 2-oxo-2-(pyridin-2-yl)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-oxo-2-phenylethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol; 3-acetyl-1-[2-(2,5- dichlorothiophen-3-yl)ethyl]piperidin-4-one; [2,5-bis(trifluoromethyl)-1,3-thiazol-4-yl](difluoro)acetic acid; 2-[2-(benzyloxy)ethoxy]ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(1,2,3-thiadiazol-4-yl)acetic acid; [2-(2,4-dimethylbenzene-1-sulfonyl)-1,3-thiazol-4-yl](difluoro)acetic acid; 5H,6H-thieno[3,2-d][1,2,3]thiadiazole-5-carboxylic acid; (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid; {2-[(6-amino-9H-purin-9-yl)methoxy]ethoxy}methyl (2-chloro-1,3-thiazol-4-yl)acetate; (2-chloro-1,3-thiazol-4-yl)(cyano)acetic acid; (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid; (6-cyanopyridin-2-yl)(difluoro)acetic acid; (6-bromopyridin-2-yl)methyl 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetate; (6-bromopyridin-2-yl)methyl (2,5- dichlorothiophen-3-yl)acetate; difluoro[4-(trifluoromethyl)thiophen-3-yl]acetic acid ; (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(3-chloro-1,2-thiazol-4-yl)-2,2-difluoroacetic acid; 2,5,8,11,14-pentaoxahexadecan-16-yl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; ethyl 2-(2-chloro- 1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-chloro-1,3-benzothiazol-4-yl)-2,2-difluoroacetic acid; 2-[5-chloro-2-(trifluoromethyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; 2-[2-chloro-5-(2-phenylethynyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)acetate; 2-(2-cyanothiophen-3-yl)acetic acid; octyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 3-(2-chloro-1,3-thiazol-4-yl)-3-oxopropanoic acid; 2-(6- bromopyridin-2-yl)-2-oxoethyl (2-chlorothiophen-3-yl)acetate; 4-(2,5-dichloro-1,3-thiazol-4- yl)but-3-ynoic acid; 2-bromopyridine-4-carboxamide; (2E)-3-(6-chloropyridin-2-yl)prop-2-enoic acid; (2E)-3-(2-chloropyridin-3-yl)prop-2-enoic acid; (2E)-3-(2-bromopyridin-3-yl)prop-2-enoic acid; (2E)-3-(2-bromopyridin-4-yl)prop-2-enoic acid; 2-bromo-N-(2-bromopyridin-4-yl)pyridine-4-carboxamide; (2E)-3-(2-bromopyridin-4-yl)-N-(4-hydroxyphenyl)prop-2-enamide; 3-(2-bromopyridin-4-yl)-2-oxopropanoic acid; 2-(2,6-dibromopyridin-4-yl)ethan-1-amine; 4-(2- aminoethyl)-6-bromopyridine-2-carbonitrile; 2,2-difluoro-2-(pyridin-4-yl)acetic acid; 2-[4-(pyridin-4-yloxy)phenyl]acetic acid; 3-amino-3-(2-bromopyridin-4-yl)propanamide; 2-(6-bromopyridin-2-yl)-2,2-difluoroacetic acid; 3-[(2-bromopyridin-4-yl)formamido]-2,2-difluoropropanoic acid; 2,2-difluoro-2-(pyrimidin-2-yl)acetic acid; 2-(6-bromopyridin-3-yl)-2,2-difluoroacetic acid; 2-(6-bromopyrimidin-4-yl)ethan-1-amine; 2-[2-amino-3-(4- hydroxyphenyl)propanamido]-3- phenylpropanoic acid hydrochloride; 2-(2-phenoxypyridin-4-yl)ethan-1-amine; (2-bromopyridin-4-yl)(oxo)acetic acid; 1-chloroisoquinoline-7-carboxylic acid; 2-(2,6-dichloropyridin-4-yl)-2,2-difluoroacetic acid; methyl 2-(2-bromopyridin-4-yl)-2,2-difluoroacetate; (2,6-dibromopyridin-4-yl)-2,2-difluoroacetic acid; 2-(2,6-dibromopyridin-4-yl)-2,2-difluoroacetamide; 6-bromopyridine-2-carboximidamide hydrochloride; ethyl 2-(6- bromopyridin-2-yl)acetate; N-[(6-bromopyridin-2-yl)methyl]guanidine; N-(6-bromopyridin-2-yl)guanidine hydrochloride; (2E)-3-(6-bromopyridin-3-yl)-2,3-difluoroprop-2-enoic acid; ethyl 2-(6-bromopyridin-2-yl)-2,2-difluoroacetate; 2-(6-bromopyridin-2-yl)-2,2-difluoroethan-1-ol ; [2-(6-bromopyridin-2-yl)ethyl]trimethylazanium; 2-bromo-6-phenoxypyridine; benzyl (6-bromopyridin-2-yl)(difluoro)acetate; 2-amino-3-(6-bromopyridin-2-yl)propan-1-ol; 2-(6- bromopyridin-2-yl)ethanimidamide hydrochloride; 3-(2-bromopyridin-4-yl)propan-1-amine; 2-bromo-6-[difluoro(phenyl)methyl]pyridine; 2,2-difluoro-2-[6-(trifluoromethyl)pyridin-2-yl]acetic acid; 2,2-difluoro-2-[4-(trifluoromethyl)pyrimidin-2-yl]acetic acid; 2-(6-chloropyrazin-2-yl)-2,2-difluoroacetic acid; 2,2-difluoro-2-[6-(trifluoromethyl)pyrazin-2-yl]acetic acid; 2-[6-(4-chloro-2-fluorophenyl)pyridin-2-yl]-2,2-difluoroacetic acid; 2-(6-bromopyridin-2-yl)ethan-1- amine; 2-[6-(2,5-dichlorothiophen-3-yl)pyridin-2-yl]-2,2-difluoroacetic acid; 2,2-difluoro-2-{6-[2-(trifluoromethyl)-1,3-thiazol-4-yl]pyridin-2-yl}acetic acid; 2,2-difluoro-2-{6-[2-fluoro-4-(trifluoromethyl)phenyl]pyridin-2-yl}acetic acid; difluoro(3,5,6-trifluoropyridin-2-yl)acetic acid; 2-fluoro-2-(3,5,6-trifluoropyridin-2-yl)acetic acid; 2-[6-(2-chloro-1,3-thiazol-4-yl)pyridin-2-yl]-2,2-difluoroacetic acid; (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid; difluoro(6- fluoropyridin-2-yl)acetic acid; difluoro[6-(methylideneamino)pyridin-2-yl]acetic acid; (6- chloropyridin-2-yl)(difluoro)acetic acid; (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid; octyl (2-bromo-6-cyanopyridin-3-yl)acetate; octyl (6-bromo-2-cyanopyridin-3-yl)acetate; and at least one acceptable carrier.
According to some embodiments, the invention provides a method of controlling undesired plant growth comprising applying to the locus of the undesired growth an agricultural composition compound or a salt thereof selected from: 2-(2,5-dichlorothiophen-3-yl)ethan-1-amine; 3-(2,5-dichlorothiophen-3-yl)-2-hydroxypropanoic acid; 2-(2,5-dichlorothiophen-3-yl)acetic acid; 1-(2,5-dichlorothiophen-3-yl)methanamine; 2-(thiophen-3-yl)ethan-1-amine; 2-(thiophen-3-yl)ethan-1-ol; 2-amino-1-(thiophen-3-yl)ethan-1-ol; 2-(thiophen-3-yl)acetamide; 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine; 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine; 3-(thiophen-3- yl)propan-1-amine; 2,5-dichloro-1,3-thiazole-4-carboxylic acid; 4-(2,5-dichlorothiophen-3-yl)butanoic acid; ethyl 3-[5-(chloromethyl)-1,3,4-thiadiazol-2-yl]-2-acetamido-3,3-difluoropropanoate; 2-amino-3-(1H-indazol-3-yl)propanoic acid hydrochloride[HCl]; (2-bromopyridin-4-yl)acetic acid; 3-(2-bromopyridin-4-yl)-2-hydroxypropanoic acid; 2-(2-bromopyridin-4-yl)ethan-1-amine; 4-(2-aminoethyl)phenol; bis[(2-bromopyridin-4- yl)methyl]amine; 2-(pyridin-3-yl)acetamide; 2-(2,6-dibromopyridin-4-yl)acetic acid; 2-bromo-4-(2-bromoethyl)pyridine; naphthalene-2-carboxylic acid; 2-bromopyridine-4-carboxylic acid; (2E)-3-(2,6-dichloropyridin-3-yl)prop-2-enoic acid; 2-amino-N-(2-bromopyridin-4-yl)ethane-1-sulfonamide; 4-(2,5-dichlorothiophen-3-yl)butanamide; 2-(thiophen-3-yl)ethane-1-thiol; (2-aminoethyl)[(2,5-dichlorothiophen-3-yl)methyl]amine; 2-{[2-(thiophen-3- yl)ethyl]sulfanyl}ethan-1-amine; 3-(thiophen-3-yl)propane-1,2-diol; 3-[(2,5-dichlorothiophen-3-yl)formamido]-2,2-difluoropropanoic acid; 3-(2,5-dichlorothiophen-3-yl)propanoic acid; (2E)-3-(5-chlorothiophen-2-yl)prop-2-enoic acid; (2E)-3-(1,3-thiazol-5-yl)prop-2-enoic acid; 2-(2,5-dichlorothiophen-3-yl)acetamide; [(2,5-dichlorothiophen-3-yl)methyl]hydrazine; 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid; 3-(2,5-dichlorothiophen-3- yl)-2-oxopropanoic acid; 2,5-dichloro-1,3-thiazole-4-carbonyl chloride; 2-bromo-N-[(2,5-dichlorothiophen-3-yl)methyl]pyridine-4-carboxamide; 2-{[(2,5-dichlorothiophen-3-yl)methyl]amino}acetic acid; dichloro-1,3-thiazole-4-carboxamide; N-(2,5-dichloro-1,3-thiazol-4-yl)acetamide; (3E)-4-(2,5-dichlorothiophen-3-yl)-2-oxobut-3-enoic acid; (2E)-3-(3-chloro-1H-1,2,4-triazol-5-yl)prop-2-enoic acid; (2E)-3-(2,4-dichloro-1,3-thiazol-5-yl)prop-2-enoic acid; 2- 30 (2-chlorothiophen-3-yl)-2,2-difluoroacetic acid; 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid; 2-(5-chlorothiophen-3-yl)-2,2-difluoroacetic acid; 3-{4-[(2,5-dichlorothiophen-3-yl)methyl]piperazin-1-yl}propanoic acid; trichloro-1,3-thiazole; 3-(1H-1,2,4-triazol-1-yl)propanoic acid; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide; 4-(2,5-dichlorothiophen-3-yl)-2,2-dimethylbutanoic acid; 2-(2,5-dichlorothiophen-3-yl)-2-oxoacetic acid; 4-(2,5-dichlorothiophen-3-yl)-4,4-difluorobutanoic acid; 2-amino-3-(1H-1,2,4-triazol-1-yl)propanoic acid dihydrochloride [HCl]; N-propyl-3-(4H-1,2,4-triazol-3-yl)propanamide; propyl 3-(4H-1,2,4-triazol-3-yl)propanoate; 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetamide; 2-(2,5-dichloro-1,3-thiazol-4-yl)acetic acid; 3-(2,5-dichloro-1,3-thiazol-4-yl)-N-propylpropanamide; ethyl 3-(2,5-dichloro-1,3-thiazol-4-yl)propanoate; (2,5-dichlorothiophen- 3-yl)(difluoro)acetic acid; 2-(3-bromo-1H-1,2,4-triazol-5-yl)ethan-1-amine; ethyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; [2-(2,5-dichlorothiophen-3-yl)(difluoro)acetamido]acetic acid; 2-oxo-2-(2,4,5-trichlorothiophen-3-yl)acetic acid; 3-(2,5-dichlorothiophen-3-yl)-N-ethylpropanamide; 3-[(2,5-dibromothiophene-3-sulfonyl)amino]propanoic acid; N-(2-aminoethyl)-2,5-dibromothiophene-3-sulfonamide; ethyl 3-(2,5-dichlorothiophen-3-yl)propanoate; N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]acetamide; 2,2-difluoro-2-(2,4,5-trichlorothiophen-3-yl)acetic acid; methyl oxo(2,4,5-trichlorothiophen-3-yl)acetate; 1-(2,5-dichloro-1,3-thiazol-4-yl)methanamine; 2,2-difluoro-2-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)acetic acid; ethyl (2,5-dichloro-1,3-thiazol-4-yl)(difluoro)acetate; methyl 2-chloro-2-(2,5-dichlorothiophen-3-yl)acetate; 4-(2,5-dichlorothiophen-3-yl)butan-1- amine; 2-amino-2-(2,5-dichlorothiophen-3-yl)acetic acid; propyl[2-(1H-1,2,4-triazol-3-yl)ethyl]amine; ethyl 2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate; ethyl 2-bromo-2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate; ethyl 2-(2-bromo-1,3-thiazol-4-yl)acetate; sodium (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2,5-dichloro-1,3-thiazol-4-yl)-2,2-difluoroacetic acid,; ethyl (2,5-dichlorothiophen-3-yl)acetate; benzyl 2-(2,5-dichlorothiophen-3-yl)acetate; 2- (2,5-dichlorothiophen-3-yl)-N-methoxyethan-1-amine; 2-(2,5-dichlorothiophen-3-yl)-N,N,N-trimethylethan-1-aminium; ethyl 2-(5-bromo-2-methyl-1,3-thiazol-4-yl)acetate; 2-amino-4,5,6,7-tetrahydro-1,3-benzothiazole-4-carboxylic acid hydrochloride; 5-(2,5-dichlorothiophen-3-yl)imidazolidine-2,4-dione; 2-chloro-4-phenyl-1,3-thiazole; 2-(2-amino-1,3-thiazol-4-yl)-2,2-difluoroacetic acid; 2,2-difluoro-2-[2-(trifluoromethyl)-1,3-thiazol-4- yl]acetic acid; 2-(2,5-dichloro-1,3-thiazol-4-yl)-N,N,N-trimethylethan-1-aminium; 2-chloro-4- (phenoxymethyl)-1,3-thiazole; 2-chloro[1,3]thiazolo[5,4-b]pyridine-6-carboxylic acid; 4-benzyl-2-chloro-1,3-thiazole; 3-({[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]amino}methyl)phenol; 2,2-difluoro-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid; dibenzyl[(2-chloro-1,3-thiazol-4-yl)methyl]amine; dichloro-1,3-thiazole-4-sulfinic acid; 2-(2,5-dichloro-1,3-thiazol-4-yl)ethan-1-amine; 2,5-dichlorothiophene-3-carboxylic acid; (thiophen-3-yl)acetic acid; benzyl[2-(2,5- dichlorothiophen-3-yl)ethyl]amine; (thiophen-3-yl)propanedioic acid; N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]-2-(3- hydroxyphenyl)acetamide; 4-[difluoro(phenyl)methyl]-1,3-thiazol-2-amine; 4-[difluoro(phenyl)methyl]-1H-imidazole; 2-chloro-4-[difluoro(phenyl)methyl]-1,3-thiazole; 2,2-difluoro[2-(trifluoromethyl)-1,3-thiazol-5-yl]acetic acid; ethyl 2,2-difluoro-2-[5-(trifluoromethyl)thiophen-2-yl]acetate; 2-chloro-4-(2-hydrazinylethyl)-1,3-thiazole; ethyl difluoro(thiophen-3-yl)acetate; 2-(2-chloro-1,3-thiazol-4-yl)acetohydrazide; [2-(2,5-dichlorothiophen-3-yl)ethyl]hydrazine; ethyl difluoro[5-(trifluoromethyl)thiophen-3-yl]acetate; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-2-phenylacetamide; benzyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2,2-difluoro-2-[5-(trifluoromethyl)-1,3-thiazol-2-yl]acetic acid; [2-(5-chlorothiophen-3-yl)ethyl]hydrazine; [(2-chloro-1,3-thiazol-4- yl)methyl]phosphonic acid; 1-(2-chloro-1,3-thiazol-4-yl)-3-phenylpropan-2-one; 2-(2-chloro-1,3-thiazol-4-yl)-N'-methylacetohydrazide; 2-[2-(5-chloro-3-fluoropyridin-2-yl)-1,3-thiazol-4-yl]acetic acid; 2,2-difluoro-2-[5-methyl-2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid; 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroethan-1-ol; N'-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N-(3-hydroxypropyl)guanidine; 2-carbamimidamido-N-[2-(2,5-dichlorothiophen-3- yl)ethyl]acetamide; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N'-(2-hydroxypropyl)guanidine; difluoro[2-(trifluoromethyl)thiophen-3-yl]acetic acid ; ethyl 2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-bromo-1,3-thiazol-4-yl)-2,2-difluoroacetic acid; 2-[2-(2,5-dichlorothiophen-3-yl)ethyl]-1,4,5,6- tetrahydropyrimidin-5-ol; 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol; 2-{[2-(2,5-dichlorothiophen-3- yl)ethyl](4,5-dihydro-1H-imidazol-2-yl)amino}ethan-1-ol; 2-[2-(4-chloro-2-fluorophenyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)acetate; 2,2-difluoro-2-{2-[3-fluoro-5-(trifluoromethyl)pyridin-2-yl]-1,3-thiazol-4-yl}acetic acid; [(2-bromo-1,3-thiazol-4-yl)(difluoro)methyl]phosphonic acid; 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 4-amino-5-(2-chlorothiophen-3- yl)pentanoic acid; 2-oxo-2-(pyridin-2-yl)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2- oxo-2-phenylethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol; 3-acetyl-1-[2-(2,5-dichlorothiophen-3-yl)ethyl]piperidin-4-one; [2,5-bis(trifluoromethyl)-1,3-thiazol-4-yl](difluoro)acetic acid; 2-[2-(benzyloxy)ethoxy]ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2- bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(1,2,3-thiadiazol-4-yl)acetic acid; [2-(2,4-dimethylbenzene-1-sulfonyl)-1,3-thiazol-4-yl](difluoro)acetic acid; 5H,6H-thieno[3,2-d][1,2,3]thiadiazole-5-carboxylic acid; (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid; {2-[(6-amino-9H-purin-9-yl)methoxy]ethoxy}methyl (2-chloro-1,3-thiazol-4-yl)acetate; (2-chloro-1,3-thiazol-4-yl)(cyano)acetic acid; (2-chloro-5-fluoro-1,3- thiazol-4-yl)(difluoro)acetic acid; (6-cyanopyridin-2-yl)(difluoro)acetic acid; (6-bromopyridin-2-yl)methyl 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetate; (6-bromopyridin-2-yl)methyl (2,5-dichlorothiophen-3-yl)acetate; difluoro[4-(trifluoromethyl)thiophen-3-yl]acetic acid ; (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2-bromophenyl)methyl (2,5-dichlorothiophen-3- yl)(difluoro)acetate; 2-(3-chloro-1,2-thiazol-4-yl)-2,2-difluoroacetic acid; 2,5,8,11,14-pentaoxahexadecan-16-yl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-chloro-1,3-benzothiazol-4-yl)-2,2-difluoroacetic acid; 2-[5-chloro-2-(trifluoromethyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; 2-[2-chloro-5-(2-phenylethynyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; 2-(4-methylphenyl)-2-oxoethyl (2- chloro-1,3-thiazol-4-yl)acetate; 2-(2-cyanothiophen-3-yl)acetic acid; octyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 3-(2-chloro-1,3-thiazol-4-yl)-3-oxopropanoic acid; 2-(6-bromopyridin-2-yl)-2-oxoethyl (2-chlorothiophen-3-yl)acetate; 4-(2,5-dichloro-1,3-thiazol-4-yl)but-3-ynoic acid; 2-bromopyridine-4-carboxamide; (2E)-3-(6-chloropyridin-2-yl)prop-2-enoic acid; (2E)-3-(2-chloropyridin-3-yl)prop-2-enoic acid; (2E)-3-(2-bromopyridin-3-yl)prop-2- enoic acid; (2E)-3-(2-bromopyridin-4-yl)prop-2-enoic acid; 2-bromo-N-(2-bromopyridin-4-yl)pyridine-4-carboxamide; (2E)-3-(2-bromopyridin-4-yl)-N-(4-hydroxyphenyl)prop-2-enamide; 3-(2-bromopyridin-4-yl)-2-oxopropanoic acid; 2-(2,6-dibromopyridin-4-yl)ethan-1-amine; 4-(2-aminoethyl)-6-bromopyridine-2-carbonitrile; 2,2-difluoro-2-(pyridin-4-yl)acetic acid; 2-[4-(pyridin-4-yloxy)phenyl]acetic acid; 3-amino-3-(2-bromopyridin-4-yl)propanamide; 2-(6- bromopyridin-2-yl)-2,2-difluoroacetic acid; 3-[(2-bromopyridin-4-yl)formamido]-2,2- difluoropropanoic acid; 2,2-difluoro-2-(pyrimidin-2-yl)acetic acid; 2-(6-bromopyridin-3-yl)-2,2-difluoroacetic acid; 2-(6-bromopyrimidin-4-yl)ethan-1-amine; 2-[2-amino-3-(4-hydroxyphenyl)propanamido]-3- phenylpropanoic acid hydrochloride; 2-(2-phenoxypyridin-4-yl)ethan-1-amine; (2-bromopyridin-4-yl)(oxo)acetic acid; 1-chloroisoquinoline-7-carboxylic acid; 2-(2,6-dichloropyridin-4-yl)-2,2-difluoroacetic acid; methyl 2-(2-bromopyridin-4-yl)-2,2- difluoroacetate; (2,6-dibromopyridin-4-yl)-2,2-difluoroacetic acid; 2-(2,6-dibromopyridin-4-yl)-2,2-difluoroacetamide; 6-bromopyridine-2-carboximidamide hydrochloride; ethyl 2-(6-bromopyridin-2-yl)acetate; N-[(6-bromopyridin-2-yl)methyl]guanidine; N-(6-bromopyridin-2-yl)guanidine hydrochloride; (2E)-3-(6-bromopyridin-3-yl)-2,3-difluoroprop-2-enoic acid; ethyl 2-(6-bromopyridin-2-yl)-2,2-difluoroacetate; 2-(6-bromopyridin-2-yl)-2,2-difluoroethan-1-ol ; [2-(6-bromopyridin-2-yl)ethyl]trimethylazanium; 2-bromo-6-phenoxypyridine; benzyl (6-bromopyridin-2-yl)(difluoro)acetate; 2-amino-3-(6-bromopyridin-2-yl)propan-1-ol; 2-(6-bromopyridin-2-yl)ethanimidamide hydrochloride; 3-(2-bromopyridin-4-yl)propan-1-amine; 2-bromo-6-[difluoro(phenyl)methyl]pyridine; 2,2-difluoro-2-[6-(trifluoromethyl)pyridin-2-yl]acetic acid; 2,2-difluoro-2-[4-(trifluoromethyl)pyrimidin-2-yl]acetic acid; 2-(6-chloropyrazin- 2-yl)-2,2-difluoroacetic acid; 2,2-difluoro-2-[6-(trifluoromethyl)pyrazin-2-yl]acetic acid; 2-[6-(4-chloro-2-fluorophenyl)pyridin-2-yl]-2,2-difluoroacetic acid; 2-(6-bromopyridin-2-yl)ethan-1-amine; 2-[6-(2,5-dichlorothiophen-3-yl)pyridin-2-yl]-2,2-difluoroacetic acid; 2,2-difluoro-2-{6-[2-(trifluoromethyl)-1,3-thiazol-4-yl]pyridin-2-yl}acetic acid; 2,2-difluoro-2-{6-[2-fluoro-4-(trifluoromethyl)phenyl]pyridin-2-yl}acetic acid; difluoro(3,5,6-trifluoropyridin-2-yl)acetic acid; 2-fluoro-2-(3,5,6-trifluoropyridin-2-yl)acetic acid; 2-[6-(2-chloro-1,3-thiazol-4-yl)pyridin-2-yl]-2,2-difluoroacetic acid; (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid; difluoro(6-fluoropyridin-2-yl)acetic acid; difluoro[6-(methylideneamino)pyridin-2-yl]acetic acid; (6-chloropyridin-2-yl)(difluoro)acetic acid; (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid; octyl (2-bromo-6-cyanopyridin-3-yl)acetate; octyl (6-bromo-2-cyanopyridin-3-yl)acetate; and at least one acceptable carrier.
According to some embodiments of the above methods and compositions, the application dose for pre-emergence application is from 200 g/Ha to 600 g/Ha.
According to some embodiments of the above methods and compositions, the application dose for pre-emergence application is from 250 g/Ha to 500 g/Ha. 30 According to some embodiments of the above methods and compositions, the application dose for p-emergence application is 150 g/Ha; 175 g/Ha; 200 g/Ha; 225 g/Ha; 250 g/Ha; 275 g/Ha; 300 g/Ha; 325 g/Ha; 350 g/Ha; 375 g/Ha; 400 g/Ha; 425 g/Ha; 450 g/Ha; 475 g/Ha; 500 g/Ha; 525 g/Ha; 550 g/Ha; 575 g/Ha and 600 g/Ha.
According to some embodiments of the above methods and compositions, the application dose for post-emergence application is from 700 g/Ha to 2200 g/Ha.
According to some embodiments of the above methods and compositions, the application dose for pre-emergence application is from 1000 g/Ha to 2000 g/Ha.
According to some embodiments of the above methods and compositions, the application dose for pre-emergence application is 700 g/Ha; 750 g/Ha; 800 g/Ha; 850 g/Ha; 900 g/Ha; 950 g/Ha; 1000 g/Ha; 1050 g/Ha; 1100 g/Ha; 1150 g/Ha; 1200 g/Ha; 1250 g/Ha; 1300 g/Ha; 1350 g/Ha; 1400 g/Ha; 1450 g/Ha; 1500 g/Ha; 1550 g/Ha; 1600 g/Ha; 1650 g/Ha; 1700 g/Ha; 1750 g/Ha; 1800 g/Ha; 1850 g/Ha; 1900 g/Ha; 1950 g/Ha; 2000 g/Ha; 2050 g/Ha; 2100 g/Ha; 2150 g/Ha; and 2200 g/Ha.
According to some embodiments of the above methods and compositions, the application dose is effective to block the growth and/or kill a majority of broadleaf weeds.
According to some embodiments of the above methods and compositions, the locus of undesired vegetation is a field of a crop. According to some embodiments, the crop is a cereal. According to some embodiments the non-limiting list of crops includes soybean, corn (Zea), wheat (Triticum), rye (Secale), barley (Hordeum), oat (Avena), rice (Oryza), millet (Pennisetum), sorghum (Sorghum), and triticale.
In the context of the embodiments of the above methods and compositions, the term "weed" is interchangeable with the term "bad weed" and refers to plants growing in the vicinity of crops and jeopardize prosperity of the crops.
According to some embodiments of the above methods and compositions, the non-limiting list of weeds includes Amaranthus tuberculatus, Amaranthus palmeri, Chenopodium album, Chenopodium murale, Malva nicaeensis, Abutilon theophrasti, Chrysanthemum coronarium, Silybum marianum, Bidens, Verbesina encelioides, Lactuca serriola, Erigeron canadensis, Erigeron bonariensis, Ormenis mixta, Xanthium strumarium, Heterotheca subaxillaris, Sonchus oleraceus, Sinapis arvensis, Datura innoxia, Datura ferox, Portulaca oleracea, Convolvulus althaeoides, Ipomoea hederacea, Medicago scutellate, or any other weed that can be eradicated by the compounds, compositions and uses of the inventions.
According to some embodiments of the above methods and compositions, the non-limiting list of weeds includes Noxious Weed Species, that have been designated by a (national or international) authority as harmful (or injurious) to crops, ecosystems, animals or humans. According to some embodiments, the invention provides an agricultural composition comprising a compound or a salt thereof selected from compounds listed in Table 1 and at least one acceptable carrier.
According to some embodiments, the invention provides a method of controlling undesired vegetation comprising to the locus of such vegetation a herbicidally effective amount of an agricultural composition comprising a compound or a salt thereof selected from compounds listed in Table 1 and at least one acceptable carrier.
Examples In the examples below, if an abbreviation is not defined above, it has its generally accepted meaning. Further, all temperatures are in degrees Celsius (unless otherwise indicated). The compounds can be identified with 3 or 4 digit ID number (such as 548 or 5601), with or without a prefix (such as FP5666). The following methods were used to prepare the compounds set forth below as indicated Example 1: Derivatives of heterocyclic amino acids with herbicidal activity Table 1: non-exclusive list of derivatives of non-coded heterocyclic amino acids exemplifying the claims: ID Chemical Name 584 2-(2,5-dichlorothiophen-3-yl)ethan-1-amine 585 3-(2,5-dichlorothiophen-3-yl)-2-hydroxypropanoic acid 586 2-(2,5-dichlorothiophen-3-yl)acetic acid 587 1-(2,5-dichlorothiophen-3-yl)methanamine 588 2-(thiophen-3-yl)ethan-1-amine 589 2-(thiophen-3-yl)ethan-1-ol 590 2-amino-1-(thiophen-3-yl)ethan-1-ol 591 2-(thiophen-3-yl)acetamide 592 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine 592 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine 593 3-(thiophen-3-yl)propan-1-amine 596 2,5-dichloro-1,3-thiazole-4-carboxylic acid 597 4-(2,5-dichlorothiophen-3-yl)butanoic acid 598 ethyl 3-[5-(chloromethyl)-1,3,4-thiadiazol-2-yl]-2-acetamido-3,3-difluoropropanoate 599 2-amino-3-(1H-indazol-3-yl)propanoic acid hydrochloride [HCl] 678 (2-bromopyridin-4-yl)acetic acid 680 3-(2-bromopyridin-4-yl)-2-hydroxypropanoic acid 681 2-(2-bromopyridin-4-yl)ethan-1-amine 684 4-(2-aminoethyl)phenol 686 bis[(2-bromopyridin-4-yl)methyl]amine 687 2-(pyridin-3-yl)acetamide 689 2-(2,6-dibromopyridin-4-yl)acetic acid 690 2-bromo-4-(2-bromoethyl)pyridine 691 naphthalene-2-carboxylic acid 692 2-bromopyridine-4-carboxylic acid 694 (2E)-3-(2,6-dichloropyridin-3-yl)prop-2-enoic acid 695 2-amino-N-(2-bromopyridin-4-yl)ethane-1-sulfonamide 5600 4-(2,5-dichlorothiophen-3-yl)butanamide 5601 2-(thiophen-3-yl)ethane-1-thiol 5602 (2-aminoethyl)[(2,5-dichlorothiophen-3-yl)methyl]amine 5603 2-{[2-(thiophen-3-yl)ethyl]sulfanyl}ethan-1-amine 5604 3-(thiophen-3-yl)propane-1,2-diol 5605 3-[(2,5-dichlorothiophen-3-yl)formamido]-2,2-difluoropropanoic acid 5606 3-(2,5-dichlorothiophen-3-yl)propanoic acid 5607 (2E)-3-(5-chlorothiophen-2-yl)prop-2-enoic acid 5608 (2E)-3-(1,3-thiazol-5-yl)prop-2-enoic acid 5609 2-(2,5-dichlorothiophen-3-yl)acetamide 5610 [(2,5-dichlorothiophen-3-yl)methyl]hydrazine 5611 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid 5612 3-(2,5-dichlorothiophen-3-yl)-2-oxopropanoic acid 5613 2,5-dichloro-1,3-thiazole-4-carbonyl chloride 5614 2-bromo-N-[(2,5-dichlorothiophen-3-yl)methyl]pyridine-4-carboxamide 5615 2-{[(2,5-dichlorothiophen-3-yl)methyl]amino}acetic acid 5616 dichloro-1,3-thiazole-4-carboxamide 5618 N-(2,5-dichloro-1,3-thiazol-4-yl)acetamide 5620 (3E)-4-(2,5-dichlorothiophen-3-yl)-2-oxobut-3-enoic acid 5621 (2E)-3-(3-chloro-1H-1,2,4-triazol-5-yl)prop-2-enoic acid 5622 (2E)-3-(2,4-dichloro-1,3-thiazol-5-yl)prop-2-enoic acid 5623 2-(2-chlorothiophen-3-yl)-2,2-difluoroacetic acid 5624 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid 5625 2-(5-chlorothiophen-3-yl)-2,2-difluoroacetic acid 5626 3-{4-[(2,5-dichlorothiophen-3-yl)methyl]piperazin-1-yl}propanoic acid 5627 trichloro-1,3-thiazole 5628 3-(1H-1,2,4-triazol-1-yl)propanoic acid 5629 N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide 5630 4-(2,5-dichlorothiophen-3-yl)-2,2-dimethylbutanoic acid 5631 2-(2,5-dichlorothiophen-3-yl)-2-oxoacetic acid 5632 4-(2,5-dichlorothiophen-3-yl)-4,4-difluorobutanoic acid 5633 2-amino-3-(1H-1,2,4-triazol-1-yl)propanoic acid dihydrochloride [HCl] 5634 N-propyl-3-(4H-1,2,4-triazol-3-yl)propanamide 5635 propyl 3-(4H-1,2,4-triazol-3-yl)propanoate 5636 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetamide 5637 2-(2,5-dichloro-1,3-thiazol-4-yl)acetic acid 5638 3-(2,5-dichloro-1,3-thiazol-4-yl)-N-propylpropanamide 5639 ethyl 3-(2,5-dichloro-1,3-thiazol-4-yl)propanoate 5640 (2,5-dichlorothiophen-3-yl)(difluoro)acetic acid 5642 2-(3-bromo-1H-1,2,4-triazol-5-yl)ethan-1-amine 5643 ethyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate 5644 [2-(2,5-dichlorothiophen-3-yl)(difluoro)acetamido]acetic acid 5645 2-oxo-2-(2,4,5-trichlorothiophen-3-yl)acetic acid 5646 3-(2,5-dichlorothiophen-3-yl)-N-ethylpropanamide 5647 3-[(2,5-dibromothiophene-3-sulfonyl)amino]propanoic acid 5648 N-(2-aminoethyl)-2,5-dibromothiophene-3-sulfonamide 5649 ethyl 3-(2,5-dichlorothiophen-3-yl)propanoate 5650 N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]acetamide 5651 2,2-difluoro-2-(2,4,5-trichlorothiophen-3-yl)acetic acid 5652 methyl oxo(2,4,5-trichlorothiophen-3-yl)acetate 5653 1-(2,5-dichloro-1,3-thiazol-4-yl)methanamine 5654 2,2-difluoro-2-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)acetic acid 5655 ethyl (2,5-dichloro-1,3-thiazol-4-yl)(difluoro)acetate 5656 methyl 2-chloro-2-(2,5-dichlorothiophen-3-yl)acetate 5657 4-(2,5-dichlorothiophen-3-yl)butan-1-amine 5659 2-amino-2-(2,5-dichlorothiophen-3-yl)acetic acid 5660 propyl[2-(1H-1,2,4-triazol-3-yl)ethyl]amine 5661 ethyl 2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate 5662 ethyl 2-bromo-2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate 5663 ethyl 2-(2-bromo-1,3-thiazol-4-yl)acetate 5666 sodium (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate 5667 2-(2,5-dichloro-1,3-thiazol-4-yl)-2,2-difluoroacetic acid, 5668 ethyl (2,5-dichlorothiophen-3-yl)acetate 5669 benzyl 2-(2,5-dichlorothiophen-3-yl)acetate 5670 2-(2,5-dichlorothiophen-3-yl)-N-methoxyethan-1-amine 5671 2-(2,5-dichlorothiophen-3-yl)-N,N,N-trimethylethan-1-aminium 5672 ethyl 2-(5-bromo-2-methyl-1,3-thiazol-4-yl)acetate 5673 2-amino-4,5,6,7-tetrahydro-1,3-benzothiazole-4- carboxylic acid hydrochloride 5674 5-(2,5-dichlorothiophen-3-yl)imidazolidine-2,4-dione 5676 2-chloro-4-phenyl-1,3-thiazole 5678 2-(2-amino-1,3-thiazol-4-yl)-2,2-difluoroacetic acid 5679 2,2-difluoro-2-[2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid 5680 2-(2,5-dichloro-1,3-thiazol-4-yl)-N,N,N-trimethylethan-1-aminium 5681 2-chloro-4-(phenoxymethyl)-1,3-thiazole 5683 2-chloro[1,3]thiazolo[5,4-b]pyridine-6-carboxylic acid 5685 4-benzyl-2-chloro-1,3-thiazole 5687 3-({[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]amino}methyl)phenol 5688 2,2-difluoro-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid 5689 dibenzyl[(2-chloro-1,3-thiazol-4-yl)methyl]amine 5690 dichloro-1,3-thiazole-4-sulfinic acid 5691 2-(2,5-dichloro-1,3-thiazol-4-yl)ethan-1-amine 5692 2,5-dichlorothiophene-3-carboxylic acid 5693 (thiophen-3-yl)acetic acid 5694 benzyl[2-(2,5-dichlorothiophen-3-yl)ethyl]amine 5695 (thiophen-3-yl)propanedioic acid 5696 N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]-2-(3-hydroxyphenyl)acetamide 5697 4-[difluoro(phenyl)methyl]-1,3-thiazol-2-amine 5698 4-[difluoro(phenyl)methyl]-1H-imidazole 5699 2-chloro-4-[difluoro(phenyl)methyl]-1,3-thiazole 5700 2,2-difluoro[2-(trifluoromethyl)-1,3-thiazol-5-yl]acetic acid 5701 ethyl 2,2-difluoro-2-[5-(trifluoromethyl)thiophen-2-yl]acetate 5702 2-chloro-4-(2-hydrazinylethyl)-1,3-thiazole 5703 ethyl difluoro(thiophen-3-yl)acetate 5704 2-(2-chloro-1,3-thiazol-4-yl)acetohydrazide 5705 [2-(2,5-dichlorothiophen-3-yl)ethyl]hydrazine 5707 ethyl difluoro[5-(trifluoromethyl)thiophen-3-yl]acetate 5708 N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-2-phenylacetamide 5709 benzyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate 5710 2,2-difluoro-2-[5-(trifluoromethyl)-1,3-thiazol-2-yl]acetic acid 5711 [2-(5-chlorothiophen-3-yl)ethyl]hydrazine 5713 [(2-chloro-1,3-thiazol-4-yl)methyl]phosphonic acid 5714 1-(2-chloro-1,3-thiazol-4-yl)-3-phenylpropan-2-one 5715 2-(2-chloro-1,3-thiazol-4-yl)-N'-methylacetohydrazide 5716 2-[2-(5-chloro-3-fluoropyridin-2-yl)-1,3-thiazol-4-yl]acetic acid 5717 2,2-difluoro-2-[5-methyl-2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid 5724 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroethan-1-ol 5725 N'-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N-(3-hydroxypropyl)guanidine 5726 2-carbamimidamido-N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide 5727 N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N'-(2-hydroxypropyl)guanidine 5728 difluoro[2-(trifluoromethyl)thiophen-3-yl]acetic acid 5729 ethyl 2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate 5730 2-(2-bromo-1,3-thiazol-4-yl)-2,2-difluoroacetic acid 5731 2-[2-(2,5-dichlorothiophen-3-yl)ethyl]-1,4,5,6- tetrahydropyrimidin-5-ol 5732 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol 5733 2-{[2-(2,5-dichlorothiophen-3-yl)ethyl](4,5-dihydro-1H-imidazol-2-yl)amino}ethan-1-ol 5734 2-[2-(4-chloro-2-fluorophenyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid 5735 (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)acetate 5736 2,2-difluoro-2-{2-[3-fluoro-5-(trifluoromethyl)pyridin-2-yl]-1,3-thiazol-4-yl}acetic acid 5737 [(2-bromo-1,3-thiazol-4-yl)(difluoro)methyl]phosphonic acid 5738 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate 5739 4-amino-5-(2-chlorothiophen-3-yl)pentanoic acid 5740 2-oxo-2-(pyridin-2-yl)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate 5741 2-oxo-2-phenylethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate 572-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol 5743 3-acetyl-1-[2-(2,5-dichlorothiophen-3-yl)ethyl]piperidin-4-one 5744 [2,5-bis(trifluoromethyl)-1,3-thiazol-4-yl](difluoro)acetic acid 5745 2-[2-(benzyloxy)ethoxy]ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate 5746 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate 5747 (2-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate 5748 2-(1,2,3-thiadiazol-4-yl)acetic acid 5749 [2-(2,4-dimethylbenzene-1-sulfonyl)-1,3-thiazol-4-yl](difluoro)acetic acid 5750 5H,6H-thieno[3,2-d][1,2,3]thiadiazole-5-carboxylic acid 5751 (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid 5752 {2-[(6-amino-9H-purin-9-yl)methoxy]ethoxy}methyl (2-chloro-1,3-thiazol-4-yl)acetate 5753 (2-chloro-1,3-thiazol-4-yl)(cyano)acetic acid 5754 (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid 5755 (6-cyanopyridin-2-yl)(difluoro)acetic acid 5757 (6-bromopyridin-2-yl)methyl 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetate 5759 (6-bromopyridin-2-yl)methyl (2,5-dichlorothiophen-3-yl)acetate 5764 difluoro[4-(trifluoromethyl)thiophen-3-yl]acetic acid 5768 (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate 5771 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate 5772 (2-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate 5773 2-(3-chloro-1,2-thiazol-4-yl)-2,2-difluoroacetic acid 5778 2,5,8,11,14-pentaoxahexadecan-16-yl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate 5784 ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate 5786 2-(2-chloro-1,3-benzothiazol-4-yl)-2,2-difluoroacetic acid 5791 2-[5-chloro-2-(trifluoromethyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid 5792 2-[2-chloro-5-(2-phenylethynyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid 5795 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)acetate 5803 2-(2-cyanothiophen-3-yl)acetic acid 5805 octyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate 5818 3-(2-chloro-1,3-thiazol-4-yl)-3-oxopropanoic acid 5831 2-(6-bromopyridin-2-yl)-2-oxoethyl (2-chlorothiophen-3-yl)acetate 5834 4-(2,5-dichloro-1,3-thiazol-4-yl)but-3-ynoic acid 6600 2-bromopyridine-4-carboxamide 6603 (2E)-3-(6-chloropyridin-2-yl)prop-2-enoic acid 6604 (2E)-3-(2-chloropyridin-3-yl)prop-2-enoic acid 6605 (2E)-3-(2-bromopyridin-3-yl)prop-2-enoic acid 6606 (2E)-3-(2-bromopyridin-4-yl)prop-2-enoic acid 6607 2-bromo-N-(2-bromopyridin-4-yl)pyridine-4-carboxamide 6610 (2E)-3-(2-bromopyridin-4-yl)-N-(4-hydroxyphenyl)prop-2-enamide 6611 3-(2-bromopyridin-4-yl)-2-oxopropanoic acid 6612 2-(2,6-dibromopyridin-4-yl)ethan-1-amine 6613 4-(2-aminoethyl)-6-bromopyridine-2-carbonitrile 6614 2,2-difluoro-2-(pyridin-4-yl)acetic acid 6615 2-[4-(pyridin-4-yloxy)phenyl]acetic acid 6616 3-amino-3-(2-bromopyridin-4-yl)propanamide 6617 2-(6-bromopyridin-2-yl)-2,2-difluoroacetic acid 6618 3-[(2-bromopyridin-4-yl)formamido]-2,2-difluoropropanoic acid 6619 2,2-difluoro-2-(pyrimidin-2-yl)acetic acid 6620 2-(6-bromopyridin-3-yl)-2,2-difluoroacetic acid 6621 2-(6-bromopyrimidin-4-yl)ethan-1-amine 6622 2-[2-amino-3-(4-hydroxyphenyl)propanamido]-3-phenylpropanoic acid hydrochloride 6625 2-(2-phenoxypyridin-4-yl)ethan-1-amine 6626 (2-bromopyridin-4-yl)(oxo)acetic acid 6627 1-chloroisoquinoline-7-carboxylic acid 6628 2-(2,6-dichloropyridin-4-yl)-2,2-difluoroacetic acid 6629 methyl 2-(2-bromopyridin-4-yl)-2,2-difluoroacetate 6632 (2,6-dibromopyridin-4-yl)-2,2-difluoroacetic acid 6633 2-(2,6-dibromopyridin-4-yl)-2,2-difluoroacetamide 6634 6-bromopyridine-2-carboximidamide hydrochloride 6635 ethyl 2-(6-bromopyridin-2-yl)acetate 6636 N-[(6-bromopyridin-2-yl)methyl]guanidine 6637 N-(6-bromopyridin-2-yl)guanidine hydrochloride 6638 (2E)-3-(6-bromopyridin-3-yl)-2,3-difluoroprop-2-enoic acid 6640 ethyl 2-(6-bromopyridin-2-yl)-2,2-difluoroacetate 6643 2-(6-bromopyridin-2-yl)-2,2-difluoroethan-1-ol 6644 [2-(6-bromopyridin-2-yl)ethyl]trimethylazanium 6645 2-bromo-6-phenoxypyridine 6646 benzyl (6-bromopyridin-2-yl)(difluoro)acetate 6647 2-amino-3-(6-bromopyridin-2-yl)propan-1-ol 6648 2-(6-bromopyridin-2-yl)ethanimidamide hydrochloride 6649 3-(2-bromopyridin-4-yl)propan-1-amine 6650 2-bromo-6-[difluoro(phenyl)methyl]pyridine 6651 2,2-difluoro-2-[6-(trifluoromethyl)pyridin-2-yl]acetic acid 6652 2,2-difluoro-2-[4-(trifluoromethyl)pyrimidin-2-yl]acetic acid 6653 2-(6-chloropyrazin-2-yl)-2,2-difluoroacetic acid 6654 2,2-difluoro-2-[6-(trifluoromethyl)pyrazin-2-yl]acetic acid 6655 2-[6-(4-chloro-2-fluorophenyl)pyridin-2-yl]-2,2-difluoroacetic acid 6656 2-(6-bromopyridin-2-yl)ethan-1-amine 6657 2-[6-(2,5-dichlorothiophen-3-yl)pyridin-2-yl]-2,2-difluoroacetic acid 6658 2,2-difluoro-2-{6-[2-(trifluoromethyl)-1,3-thiazol-4-yl]pyridin-2-yl}acetic acid 6659 2,2-difluoro-2-{6-[2-fluoro-4-(trifluoromethyl)phenyl]pyridin-2-yl}acetic acid 6660 difluoro(3,5,6-trifluoropyridin-2-yl)acetic acid 6661 2-fluoro-2-(3,5,6-trifluoropyridin-2-yl)acetic acid 6662 2-[6-(2-chloro-1,3-thiazol-4-yl)pyridin-2-yl]-2,2-difluoroacetic acid 6663 (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid 6664 difluoro(6-fluoropyridin-2-yl)acetic acid 6665 difluoro[6-(methylideneamino)pyridin-2-yl]acetic acid 6667 (6-chloropyridin-2-yl)(difluoro)acetic acid 6681 (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid 6691 octyl (2-bromo-6-cyanopyridin-3-yl)acetate 6692 octyl (6-bromo-2-cyanopyridin-3-yl)acetate Example 2: Synthesis of N-[2-{2,5-dichloro-1,3-thiazol-4-yl)ethyl]acetamide Step A: 4-(2-arninoethyl)thiazol-2-arnine dihydrochloride (5 g, 23.3 mmol) was suspended in DCM and cooled to 0°C, following by the consequent addition of TEA (7g, 70 mmol) and acetic anhydride ( 2.4g, 24 mmol) in a dropwise manner. After the reaction was complete, the mixture was evaporated to dryness and re­ evaporated with toluene 3 times to give crude N -(2-(2- arninothiazol-4-yl)ethyl)acetarnide (4.5g, crude) which was used in the next step without purification. 10 Step B: N-(2-(2-arninothiazol-4-yl)ethyl)acetarnide (4.5 g, 24.2 mmol) was dissolved in CHCN (50 mL), cooled to 0°C and NCS (3.33 g, 25 mmol) was added in one portion. After the reaction was complete (concluded by HNMR) the organic solvent was evaporated to dryness and the crude mixture was partitioned between EtOAc (50 mL) and H0 (50mL). The organic layer was washed with H20 and brine, dried over NaS0 and evaporated under reduced pressure to give ethyl N-(2-(2-arnino-5-chlorothiazol-4-yl)ethyl)acetarnide (3.7 g, 17.0 mmol, 70% yield) as yellow oil.
Step C: To the pre-cooled to ODC solution of N-(2-(2-arnino-5-chlorothiazol-4-yl)ethyl) acetarnide (3.7 g, 17.0 mmol) in CH:CN (50 mL) anhydrous CuCl (2.3g, 17 mmol) was added in one portion. After 10 min, tert-butyl nitrite (1.8g, 17.5 mmol) was added in a dropwise manner (reaction starts after addition of about 10% of the reagent; the start can be identified by the beginning of vigorous gas evolution). After the reaction was complete (concluded by HNMR) the volume of the reaction mixture was carefully reduced under reduced pressure to a half; the resulted crude mixture was dissolved in EtOAc (100 mL) and thoroughly washed with 5% aq. HCl and brine. The organic layer was dried over NaSO and evaporated under reduced pressure to give crude product, which was purified by FCC to give N-(2-(2,5-dichlorothiazol-4-yl)ethyl)acetamide (1.22g, 5.1mmol, 30% yield). 1H NMR (500 MHz, DMSO-d6) δ 7.94 (s, 1H), 3.29 (q, J=6.4 Hz, 2H), 2.76 (t, J=6.8 Hz, 2H), 1.(s, 3H).
LCMS 239 [M+H]+. MW 239.12; Melting point 87ºC, Purity 90%.
Example 3: Synthesis of 2-(2,5-dichloro-1,3-thiazol-4-yl)-2,2- difluoroacetic acid (ID FP5667) Step A: Ethyl 2-(2-aminothiazol-4-yl)-2,2-difluoroacetate (350 g, 1.58 mol) was dissolved in CHCN (3 L), cooled to 0ºC and NCS (215 g, 1.6 mol) was added in one portion. After the reaction was complete (concluded by HNMR) the organic solvent was evaporated to dryness and the crude mixture was partitioned between EtOAc (3 L) and HO (1 L). The organic layer was washed with HO and brine, dried over NaSO4 and evaporated under reduced pressure to give ethyl 2-(2-amino-5-chlorothiazol-4-yl)-2,2- difluoroacetate (283 g, 1.1 mol, 70% yield) as yellow solid.
Step B: To the pre-cooled to 0°C solution of ethyl 2-(2-amino-5-chlorothiazol-4-yl)-2,2-difluoroacetate (283 g, 1.1 mol) in CHCN (3 L) anhydrous CuCl (155 g, 1.15 mol) was added in one portion. After 10 min, tert-butyl nitrite (121 g, 1.16 mol) was added in a dropwise manner (reaction starts after addition of about 10% of the reagent; the start can be identified by the beginning of vigorous gas evolution). After the reaction was complete (concluded by HNMR) the volume of the reaction mixture was carefully reduced under reduced pressure to a half; the resulted crude mixture was dissolved in EtOAc (3 L) and thoroughly washed with 5% aq. HCl and brine. The organic layer was dried over NaSOand evaporated under reduced pressure to give crude ethyl 2-(2,5-dichlorothiazol-4-yl)-2,2-difluoroacetate (210 g, crude) as dark brown oil, which was used in the next step without purification.
Step C: Crude ethyl 2-(2,5-dichlorothiazol-4-yl)-2,2- difluoroacetate (210 g, crude) from the previous step was dissolved in EtOH (2 L), and the 20% aq. KCO (0.5 L) was added in one portion. After the reaction was complete (typically 3 hr.) the solvents were evaporated to dryness, and the crude mixture was dissolved in HO (0.5 L); the clear solution was washed with CHCl (3*200 mL) and MTBE (100 mL). The water layer was acidified with NaHSO to pH = 4 and extracted with diethyl ether (3*150 mL). Combined organic layer was washed with brine, dried over NaSO and evaporated under reduced pressure to give oily product. After column chromatography and trituration with pentane pure 2-(2,5-dichlorothiazol-4-yl)-2,2-difluoroacetic acid was obtained (113 g, 0.46 mol, 27% yield on 3 steps) as yellow solid. 1H NMR (500MHz, cdc13) δ 10.38 (s, 1H) 13C NMR (126 MHz, cdc13) δ 165.29 (t, J 13.4Hz), 149 (s), 140.45 (t, J = 29.7 Hz), 129.24 (s), 109.64 (t, J = 253.2 Hz). 19F NMR (470 MHz, cdc13) δ -102.57 (s).
LCMS 248 [M+H]+. Purity >95% Example 4: Synthesis of 2-chloro-1,3-thiazol-4-yl)-2,2-difluoro acetic acid Step A: To the pre-cooled to 0°C solution of ethyl 2-(2- aminothiazol-4-yl)-2,2-difluoroacetate (250 g, 1.12 mol) in CHCN (3 L) anhydrous CuCl (155 g, 1.15 mol) was added in one portion (Caution! Exothermic effect is observed! Heating up to 10°C). After 10 min, tert-butyl nitrite (121 g, 1.16 mol) was added in a dropwise manner (reaction starts after addition of about 10% of the reagent; the start can be identified by the beginning of vigorous gas evolution). After the reaction was complete (concluded by HNMR) the volume of the reaction mixture was carefully reduced under reduced pressure to a half; the resulted crude mixture was dissolved in EtOAc (3 L) and thoroughly washed with 5% aq. HCl and brine. The organic layer was dried over NaSO and evaporated under reduced pressure to give crude ethyl 2-(2-chlorothiazol-4-yl)-2,2-difluoroacetate (205 g, crude) which was used in the next step without purification.
Step B: Crude ethyl 2-(2-chlorothiazol-4-yl)-2,2-difluoroacetate (205 g, crude) from the previous step was dissolved in EtOH (1.5 L) , and the 20% aq. KCO (0.5 L) was added in one portion. After the reaction was complete (typically 3 hr.) the solvents were evaporated to dryness, and the crude mixture was dissolved in HO (500 mL); the clear solution was washed with CHCl (3* 200 mL) and MTBE (100 mL). The water layer was acidified with NaHSO to pH = and extracted with diethyl ether (3*150 mL). Combined organic layer was washed with brine, dried over Na2SO4 and evaporated under reduced pressure to give oily product. After column chromatography and trituration with pentane pure 2-(2- chlorothiazol-4-yl)-2,2-difluoroacetic acid (108 g, 0.5 mol, 45% yield on 2 steps) was obtained as yellow solid . 1H NMR (400 MHz, CDC13) δ 11.61 (s, 1H), 7.70 (s, 1H). 13C NMR (101 MHz, CDC13) δ 165.10 (t, J = 33.6 Hz), 154.53 (s), 145.63 (t, J=30.9Hz), 122.(t, J=4.7 Hz), 109.40 (t, J=251.0 Hz) 19F NMR (376 MHz, CDC13) δ -103.92 (s) LCMS 214 [M+H]+. MP 92°C; Purity >95% Example 5: Effect of derivatives of heterocyclic amino acids on germination & early plants development Materials: Seeds of Lettuce R. (Super-Jericho, non-sterilized) were obtained from Ben Shahar Moshe Ltd., 99% purity. The test compounds listed in the Table 2 below were synthetized de novo or purchased from different vendors.
Filter Paper Bioassays with Lettuce seeds: following the protocol of Bertin et al. 2009 and Movellan et al. 2014, specified modifications as described below.
Seeds were placed on Whatman no. 1 filter paper (Whatman, Middlesex, U.K.) in Petri dishes (10 seeds per plate) with 2.0 ml of aqueous solution of a test material in concentration ranged from O (control) to 1 mmol/1 were placed in a tray tilted at 45D. The trays were kept in dark for 48 hours and then transferred to the growth chamber with 6/18 dark/ light cycle for 4 days. Each experiment was performed at least with two repeats. The development of plants' radicle and shoots were visually assessed 6 days after the beginning of the test to determine Minimal Effective Concentration (MEC) of a test material. In the context of the invention, MEC is defined as the lowest concentration level of a test material that caused deviation (absence of germination or malformation of radicle or shoots) from the plant's development in the Control group. MEC is expressed in an arbitrary unit as activity score, as presented in Table 1: MEC Activity score Higher than 0.1 mM Weak 0.1 mM Moderate 0.01 mM Strong 0.001 mM and less Very strong Herbicidal activity of selected compounds on seeds germination and early plant development are summarized in Table 2: ID Chemical name MEC 584 2-(2,5-dichlorothiophen-3-yl)ethan-1-amine Strong 585 3-(2,5-dichlorothiophen-3-yl)-2-hydroxypropanoic acid Strong 586 2-(2,5-dichlorothiophen-3-yl)acetic acid Strong 587 1-(2,5-dichlorothiophen-3-yl)methanamine Strong 588 2-(thiophen-3-yl)ethan-1-amine Strong 589 2-(thiophen-3-yl)ethan-1-ol Strong 590 2-amino-1-(thiophen-3-yl)ethan-1-ol Weak 591 2-(thiophen-3-yl)acetamide Strong 592 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine Weak 593 3-(thiophen-3-yl)propan-1-amine Weak 596 2,5-dichloro-1,3-thiazole-4-carboxylic acid Moderate 597 4-(2,5-dichlorothiophen-3-yl)butanoic acid Strong 5ethyl 3-[5-(chloromethyl)-1,3,4-thiadiazol-2-yl]-2- acetamido-3,3-difluoropropanoate Strong 599 2-amino-3-(1H-indazol-3-yl)propanoic acid Strong 678 (2-bromopyridin-4-yl)acetic acid Strong 680 3-(2-bromopyridin-4-yl)-2-hydroxypropanoic acid Weak 681 2-(2-bromopyridin-4-yl)ethan-1-amine Weak 684 4-(2-aminoethyl)phenol Weak 686 bis[(2-bromopyridin-4-yl)methyl]amine Weak 687 2-(pyridin-3-yl)acetamide Weak 689 2-(2,6-dibromopyridin-4-yl)acetic acid Strong 690 2-bromo-4-(2-bromoethyl)pyridine Weak 692 2-bromopyridine-4-carboxylic acid Moderate 694 (2E)-3-(2,6-dichloropyridin-3-yl)prop-2-enoic acid Moderate 695 2-amino-N-(2-bromopyridin-4-yl)ethane-1-sulfonamide Weak 699 1-chloroisoquinoline-6-carboxylic acid Weak 5600 4-(2,5-dichlorothiophen-3-yl)butanamide Moderate 5601 2-(thiophen-3-yl)ethane-1-thiol Moderate 5602 (2-aminoethyl)[(2,5-dichlorothiophen-3-yl)methyl]amine Strong 5603 2-{[2-(thiophen-3-yl)ethyl]sulfanyl}ethan-1-amine Moderate 5604 3-(thiophen-3-yl)propane-1,2-diol Strong 5605 3-[(2,5-dichlorothiophen-3-yl)formamido]-2,2- difluoropropanoic acid Moderate 5606 3-(2,5-dichlorothiophen-3-yl)propanoic acid Strong 5607 (2E)-3-(5-chlorothiophen-2-yl)prop-2-enoic acid Strong 5608 (2E)-3-(1,3-thiazol-5-yl)prop-2-enoic acid Moderate 5609 2-(2,5-dichlorothiophen-3-yl)acetamide Strong 5610 [(2,5-dichlorothiophen-3-yl)methyl]hydrazine Moderate 5611 (2E)-3-(2,5-dichlorothiophen-3-yl)prop-2-enoic acid Moderate 5612 3-(2,5-dichlorothiophen-3-yl)-2-oxopropanoic acid Strong 5613 2,5-dichloro-1,3-thiazole-4-carbonyl chloride Moderate 5614 2-bromo-N-[(2,5-dichlorothiophen-3-yl)methyl]pyridine-4-carboxamide Strong 5615 2-{[(2,5-dichlorothiophen-3-yl)methyl]amino}acetic acid Moderate 5616 dichloro-1,3-thiazole-4-carboxamide Strong 5618 N-(2,5-dichloro-1,3-thiazol-4-yl)acetamide Strong 5620 (3E)-4-(2,5-dichlorothiophen-3-yl)-2-oxobut-3-enoic acid Moderate 5621 (2E)-3-(3-chloro-1H-1,2,4-triazol-5-yl)prop-2-enoic acid Moderate 5622 (2E)-3-(2,4-dichloro-1,3-thiazol-5-yl)prop-2-enoic acid Strong 5623 2-(2-chlorothiophen-3-yl)-2,2-difluoroacetic acid Strong 5624 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2- difluoropropanoic acid Moderate 5625 2-(5-chlorothiophen-3-yl)-2,2-difluoroacetic acid Strong 5626 3-{4-[(2,5-dichlorothiophen-3-yl)methyl]piperazin-1- yl}propanoic acid Moderate 5627 trichloro-1,3-thiazole Weak 5628 3-(1H-1,2,4-triazol-1-yl)propanoic acid Moderate 5629 N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide Weak 5630 4-(2,5-dichlorothiophen-3-yl)-2,2-dimethylbutanoic acid Moderate 5631 2-(2,5-dichlorothiophen-3-yl)-2-oxoacetic acid Moderate 5632 4-(2,5-dichlorothiophen-3-yl)-4,4-difluorobutanoic acid Strong 5633 2-amino-3-(1H-1,2,4-triazol-1-yl)propanoic acid dihydrochloride [HCl] Strong 5634 N-propyl-3-(4H-1,2,4-triazol-3-yl)propanamide Weak 5635 propyl 3-(4H-1,2,4-triazol-3-yl)propanoate Weak 5636 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetamide Strong 5637 2-(2,5-dichloro-1,3-thiazol-4-yl)acetic acid Strong 5638 3-(2,5-dichloro-1,3-thiazol-4-yl)-N-propylpropanamide Weak 5639 ethyl 3-(2,5-dichloro-1,3-thiazol-4-yl)propanoate Moderate 5640 (2,5-dichlorothiophen-3-yl)(difluoro)acetic acid Strong 5642 2-(3-bromo-1H-1,2,4-triazol-5-yl)ethan-1-amine Weak 5643 ethyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate Strong 5644 [2-(2,5-dichlorothiophen-3- yl)(difluoro)acetamido]acetic acid Strong 5645 2-oxo-2-(2,4,5-trichlorothiophen-3-yl)acetic acid Strong 5646 3-(2,5-dichlorothiophen-3-yl)-N-ethylpropanamide Strong 5647 3-[(2,5-dibromothiophene-3-sulfonyl)amino]propanoic acid Weak 5648 N-(2-aminoethyl)-2,5-dibromothiophene-3-sulfonamide Weak 5649 ethyl 3-(2,5-dichlorothiophen-3-yl)propanoate Weak 5650 N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]acetamide Strong 5651 2,2-difluoro-2-(2,4,5-trichlorothiophen-3-yl)acetic acid Moderate 5652 methyl oxo(2,4,5-trichlorothiophen-3-yl)acetate Moderate 5653 1-(2,5-dichloro-1,3-thiazol-4-yl)methanamine Moderate 5654 2,2-difluoro-2-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)acetic acid Weak 5655 ethyl(2,5-dichloro-1,3-thiazol-4-yl)(difluoro)acetate Strong 5656 methyl 2-chloro-2-(2,5-dichlorothiophen-3-yl)acetate Weak 5657 4-(2,5-dichlorothiophen-3-yl)butan-1-amine Strong 5659 2-amino-2-(2,5-dichlorothiophen-3-yl)acetic acid Weak 5660 propyl[2-(1H-1,2,4-triazol-3-yl)ethyl]amine Weak 5661 ethyl 2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate Strong 5662 ethyl 2-bromo-2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate Moderate 5663 ethyl 2-(2-bromo-1,3-thiazol-4-yl)acetate Strong 5664 2-(2H-1,2,3-triazol-4-yl)acetamide Weak 5665 (2,5-dichlorothiophen-3-yl)ethanimidamide Weak 5666 sodium (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate Very strong 5667 2-(2,5-dichloro-1,3-thiazol-4-yl)-2,2-difluoroacetic acid Very strong 5668 ethyl (2,5-dichlorothiophen-3-yl)acetate Strong 5669 benzyl 2-(2,5-dichlorothiophen-3-yl)acetate Strong 5670 2-(2,5-dichlorothiophen-3-yl)-N-methoxyethan-1-amine Strong 5671 2-(2,5-dichlorothiophen-3-yl)-N,N,N-trimethylethan-1-aminium Moderate 5672 ethyl 2-(5-bromo-2-methyl-1,3-thiazol-4-yl)acetate Moderate 562-amino-4,5,6,7-tetrahydro-1,3-benzothiazole-4-carboxylic acid hydrochloride Weak 5674 5-(2,5-dichlorothiophen-3-yl)imidazolidine-2,4-dione Weak 5676 2-chloro-4-phenyl-1,3-thiazole Weak 5678 2-(2-amino-1,3-thiazol-4-yl)-2,2-difluoroacetic acid Moderate 5679 2,2-difluoro-2-[2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid Very strong 5680 2-(2,5-dichloro-1,3-thiazol-4-yl)-N,N,N- trimethylethan-1-aminium Moderate 5681 2-chloro-4-(phenoxymethyl)-1,3-thiazole Weak 5683 2-chloro[1,3]thiazolo[5,4-b]pyridine-6-carboxylic acid Strong 5685 4-benzyl-2-chloro-1,3-thiazole Weak 5687 3-({[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]amino}methyl)phenol Moderate 5688 2,2-difluoro-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid Weak 5689 dibenzyl[(2-chloro-1,3-thiazol-4-yl)methyl]amine Moderate 5690 dichloro-1,3-thiazole-4-sulfinic acid Moderate 5691 2-(2,5-dichloro-1,3-thiazol-4-yl)ethan-1-amine Strong 5692 2,5-dichlorothiophene-3-carboxylic acid Moderate 5693 (thiophen-3-yl)acetic acid Moderate 5694 benzyl[2-(2,5-dichlorothiophen-3-yl)ethyl]amine Strong 5695 (thiophen-3-yl)propanedioic acid Moderate 5696 N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]-2-(3-hydroxyphenyl)acetamide Strong 5697 4-[difluoro(phenyl)methyl]-1,3-thiazol-2-amine Strong 5698 4-[difluoro(phenyl)methyl]-1H-imidazole Strong 5699 2-chloro-4-[difluoro(phenyl)methyl]-1,3-thiazole Strong 5700 2,2-difluoro[2-(trifluoromethyl)-1,3-thiazol-5-yl]acetic acid Moderate 5701 ethyl 2,2-difluoro-2-[5-(trifluoromethyl)thiophen-2-yl]acetate Weak 5702 2-chloro-4-(2-hydrazinylethyl)-1,3-thiazole Strong 5703 ethyl difluoro(thiophen-3-yl)acetate Weak 5704 2-(2-chloro-1,3-thiazol-4-yl)acetohydrazide Strong 5705 [2-(2,5-dichlorothiophen-3-yl)ethyl]hydrazine Weak 5707 ethyl difluoro[5-(trifluoromethyl)thiophen-3-yl]acetate Moderate 5708 N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-2-phenylacetamide Strong 5709 benzyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate Very strong 5710 2,2-difluoro[5-(trifluoromethyl)-1,3-thiazol-2-yl]acetic acid Strong 5711 [2-(5-chlorothiophen-3-yl)ethyl]hydrazine Weak 5713 [(2-chloro-1,3-thiazol-4-yl)methyl]phosphonic acid Weak 5714 1-(2-chloro-1,3-thiazol-4-yl)-3-phenylpropan-2-one Weak 5715 2-(2-chloro-1,3-thiazol-4-yl)-N'-methylacetohydrazide Strong 5716 2-[2-(5-chloro-3-fluoropyridin-2-yl)-1,3-thiazol-4-yl]acetic acid Strong 5717 2,2-difluoro-2-[5-methyl-2-(trifluoromethyl)-1,3- thiazol-4-yl]acetic acid Strong 5724 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroethan-1-ol Moderate 5725 N'-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N-(3-hydroxypropyl)guanidine Moderate 5726 2-carbamimidamido-N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide Moderate 572-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-1,4,5,6-tetrahydropyrimidin-5-ol Moderate 5728 2,2-difluoro-2-[2-(trifluoromethyl)thiophen-3-yl]acetic acid Moderate 5729 ethyl 2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate Moderate 5730 2-(2-bromo-1,3-thiazol-4-yl)-2,2-difluoroacetic acid Moderate 5731 2-[2-(2,5-dichlorothiophen-3-yl)ethyl]-1,4,5,6- tetrahydropyrimidin-5-ol Moderate 57N-{2-[3-(2,5-dichlorothiophen-3-yl)propoxy]phenyl}guanidine Moderate 572-{[2-(2,5-dichlorothiophen-3-yl)ethyl](4,5-dihydro- 1H-imidazol-2-yl)amino}ethan-1-ol Moderate 5734 2-[2-(4-chloro-2-fluorophenyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid Moderate 5735 (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)acetate Moderate 572,2-difluoro-2-{2-[3-fluoro-5-(trifluoromethyl)pyridin-2-yl]-1,3-thiazol-4-yl}acetic acid Moderate 5738 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate Moderate 5739 4-amino-5-(2-chlorothiophen-3-yl) pentanoic acid Moderate 5740 2-oxo-2-(pyridin-2-yl)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate Moderate 5741 2-oxo-2-phenylethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate Moderate 572-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol Moderate 5743 3-acetyl-1-[2-(2,5-dichlorothiophen-3-yl)ethyl]piperidin-4-one Moderate 5744 [2,5-bis(trifluoromethyl)-1,3-thiazol-4-yl](difluoro)acetic acid Moderate 572-[2-(benzyloxy)ethoxy]ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate Strong 5746 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate Strong 5747 (2-bromophenyl)methyl 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetate Strong 5748 2-(1,2,3-thiadiazol-4-yl)acetic acid Strong 5749 [2-(2,4-dimethylbenzene-1-sulfonyl)-1,3-thiazol-4-yl](difluoro)acetic acid Strong 5750 5H,6H-thieno[3,2-d][1,2,3]thiadiazole-5-carboxylic acid Strong 5751 (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid Strong 57 2-{2-[2-(6-amino-9H-purin-9-yl)ethoxy]ethoxy}ethyl 2-(2-chloro-1,3-thiazol-4-yl)acetate Strong 5753 (2-chloro-1,3-thiazol-4-yl)(cyano)acetic acid Strong 5754 (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid Strong 5755 (6-cyanopyridin-2-yl)(difluoro)acetic acid Strong 6600 2-bromopyridine-4-carboxamide Weak 6603 (2E)-3-(6-chloropyridin-2-yl)prop-2-enoic acid Weak 6604 (2E)-3-(2-chloropyridin-3-yl)prop-2-enoic acid Strong 6605 (2E)-3-(2-bromopyridin-3-yl)prop-2-enoic acid Strong 6606 (2E)-3-(2-bromopyridin-4-yl)prop-2-enoic acid Weak 6607 2-bromo-N-(2-bromopyridin-4-yl)pyridine-4-carboxamide Moderate 6610 (2E)-3-(2-bromopyridin-4-yl)-N-(4-hydroxyphenyl)prop-2-enamide Weak 6611 3-(2-bromopyridin-4-yl)-2-oxopropanoic acid Weak 6612 2-(2,6-dibromopyridin-4-yl)ethan-1-amine Moderate 6613 4-(2-aminoethyl)-6-bromopyridine-2-carbonitrile Weak 6614 2,2-difluoro-2-(pyridin-4-yl)acetic acid Weak 6615 2-[4-(pyridin-4-yloxy)phenyl]acetic acid Weak 6616 3-amino-3-(2-bromopyridin-4-yl)propanamide Weak 6617 2-(6-bromopyridin-2-yl)-2,2-difluoroacetic acid Strong 6618 3-[(2-bromopyridin-4-yl)formamido]-2,2-difluoropropanoic acid Moderate 6619 2,2-difluoro-2-(pyrimidin-2-yl)acetic acid Weak 6620 2-(6-bromopyridin-3-yl)-2,2-difluoroacetic acid Moderate 6621 2-(6-bromopyrimidin-4-yl)ethan-1-amine Moderate 662-[2-amino-3-(4-hydroxyphenyl)propanamido]-3-phenylpropanoic acid hydrochloride Weak 6625 2-(2-phenoxypyridin-4-yl)ethan-1-amine Weak 6626 (2-bromopyridin-4-yl)(oxo)acetic acid Moderate 6627 1-chloroisoquinoline-7-carboxylic acid Moderate 6628 2-(2,6-dichloropyridin-4-yl)-2,2-difluoroacetic acid Weak 6629 methyl 2-(2-bromopyridin-4-yl)-2,2-difluoroacetate Moderate 6632 (2,6-dibromopyridin-4-yl)-2,2-difluoroacetic acid Weak 6633 2-(2,6-dibromopyridin-4-yl)-2,2-difluoroacetamide Weak 6634 6-bromopyridine-2-carboximidamide hydrochloride [HCl] Moderate 6635 ethyl 2-(6-bromopyridin-2-yl)acetate Strong 6636 N-[(6-bromopyridin-2-yl)methyl]guanidine Moderate 6637 N-(6-bromopyridin-2-yl)guanidine hydrochloride Weak 6638 (2E)-3-(6-bromopyridin-3-yl)-2,3-difluoroprop-2-enoic acid Weak 6640 ethyl 2-(6-bromopyridin-2-yl)-2,2-difluoroacetate Strong 6643 2-(6-bromopyridin-2-yl)-2,2-difluoroethan-1-ol Moderate 6644 [2-(6-bromopyridin-2-yl)ethyl]trimethylazanium Weak 6645 2-bromo-6-phenoxypyridine Moderate 6646 benzyl (6-bromopyridin-2-yl)(difluoro)acetate Very Strong 6647 2-amino-3-(6-bromopyridin-2-yl)propan-1-ol Weak 6648 2-(6-bromopyridin-2-yl)ethanimidamide hydrochloride Weak 6649 3-(2-bromopyridin-4-yl)propan-1-amine Moderate 6650 2-bromo-6-[difluoro(phenyl)methyl]pyridine Weak 6651 2,2-difluoro-2-[6-(trifluoromethyl)pyridin-2-yl]acetic acid Weak 6652 2,2-difluoro-2-[4-(trifluoromethyl)pyrimidin-2-yl]acetic acid Weak 6653 2-(6-chloropyrazin-2-yl)-2,2-difluoroacetic acid Weak 6654 2,2-difluoro-2-[6-(trifluoromethyl)pyrazin-2-yl]acetic acid Weak 6655 2-[6-(4-chloro-2-fluorophenyl)pyridin-2-yl]-2,2-difluoroacetic acid Weak 6656 2-(6-bromopyridin-2-yl)ethan-1-amine Weak 6657 2-[6-(2,5-dichlorothiophen-3-yl)pyridin-2-yl]-2,2- difluoroacetic acid Weak 6658 2,2-difluoro-2-{6-[2-(trifluoromethyl)-1,3-thiazol-4-yl]pyridin-2-yl}acetic acid Moderate 6659 2,2-difluoro-2-{6-[2-fluoro-4-(trifluoromethyl)phenyl]pyridin-2-yl}acetic acid Moderate 6660 2,2-difluoro-2-(3,5,6-trifluoropyridin-2-yl)acetic acid Strong 6661 2-fluoro-2-(3,5,6-trifluoropyridin-2-yl)acetic acid Strong 6662 difluoro(3,5,6-trifluoropyridin-2-yl)acetic acid Strong 6663 (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid Strong 6664 difluoro(6-fluoropyridin-2-yl)acetic acid Strong 6665 difluoro[6-(methylideneamino)pyridin-2-yl]acetic acid Strong Example 6: Post-emergence herbicidal activity of selected derivatives of non-coded amino acids (DNAA).
The tests were performed on Romaine lettuce (Lactuca sativa L.) plants at the stage 2 to leaves. The plants were grown in mini-pots packed with soil, dimensions 2 X 2 X 5 cm, one plant per mini-pot. Test compounds were dissolved in 0.1% aqueous solution water solution of Silwet adjuvant to final concentrations ranging from 0 (Control) to 0. 01%. The test compounds were applied on soil (1 ml per pot) or foliar with airbrush (0.1 ml per pot). Each concentration was tested on 20 plants. Two weeks after the treatment the herbicidal effects of the respective test material were visually evaluated (above ground part and roots. Then the aboveground part of the plants was neatly cut and weighed (wet weight) to assess the growth inhibition caused by the test compound. The growth inhibition (GI) was calculated as following: GI = 1-Mt*100%/Mc Where Mt and Mc are median wet weight of treated and control plants, respectively. In the context of the invention, the herbicidal effect was assessed by GI or plant damage caused by test compound (0.01 and 0.05 mg a.i./well). The herbicidal effect was assessed at 14-21 days after application using the following Damage Score: 0 = less than 10% growth inhibition; 1 = 10%-30% growth inhibition, minor damage symptoms; 2 = 30%-50% growth inhibition, clear damage symptoms; 3 = 50%-70% growth inhibition, significant damage symptoms; 4 = 70%-90%, severe damage symptoms; 5 = 90%-100% growth inhibition/full lethality. Herbicidal activity of selected DHAAs is summarized in Table 3 (soil application) and Table 4 (foliar application).
Table 3: Herbicidal activity of selected DNAAs (soil application): ID Herbicidal Activity ID Herbicidal Activity 584 2 5724 585 1 5728 586 3 5730 597 2 5738 678 2 5745 689 2 5747 692 2 5757 5 5600 3 5759 5609 3 5764 5616 1 5768 5623 4 5771 5625 4 5772 5629 3 5773 5636 2 5778 5637 4 5781 5640 5 5791 5644 2 5792 5650 3 5805 5655 5 5818 5657 2 5831 5663 2 5834 5666 5 6600 5667 4 6606 5669 3 6612 5670 2 6617 5672 1 6635 5679 4 6640 5691 2 6643 5707 2 6646 5709 2 6651 5710 3 6667 5717 Table 5. Herbicidal activity of selected DNAAs (foliar application).
ID Herbicidal activity ID Herbicidal activity 584 3 5746 586 2 5757 5623 3 5768 5625 5 5772 5637 2 5778 5640 3 5781 4 5663 3 5791 5666 5 5803 5667 4 5805 5679 5 6617 5709 3 6640 5728 3 6643 5730 3 6681 5738 Example 7: Herbicidal activity of selected DNAAs on the development of weeds.
Herbicidal effect of claimed compounds on weeds is exemplified using compounds 5623, 5625, 5666, 5679, 5738, 5746, 5784, 5791, 6651, and 6617. Weeds were sown in 7X7X6 cm pots, containing sandy soil media (pH 7). In this set of tests we used following weeds: Amaranthus tuberculatus, Amaranthus palmeri, Chenopodium album, Chenopodium murale, Malva nicaeensis, Abutilon theophrasti, Chrysanthemum coronarium, Silybum marianum, Bidens, Verbesina encelioides, Lactuca serriola, Erigeron canadensis, Erigeron bonariensis, Ormenis mixta, Xanthium strumarium, Heterotheca subaxillaris, Sonchus oleraceus, Sinapis arvensis, Datura innoxia, Datura ferox, Portulaca oleracea, Convolvulus althaeoides, Ipomoea hederacea, Medicago scutellate.
The tested compounds were applied on soil (pre-emergence) by spraying the soil surface by water solution of a tested compound (rate 0 to 1 kg a.i./Ha), at volume of 200 L/Ha. After spraying, the pots were watered with 10ml/pot, and 21 days after the treatment, the herbicidal effect was examined and assessed using the Damage Scale as in the Example 6. The effective dose resulting in Damage Score ≥ 4 ranged from 0.05 to 0.25 kg a.i/Ha. Reference is made to Figure 1, showing the pre-emergence herbicidal effect of compound 5666 on Amaranthus palmeri, 21 DPA. Damage Score 5 Example 8: Post-emergence herbicidal effect of derivatives of non-coded amino acids (DNAA) on weeds.
Herbicidal effect of claimed compounds on weeds is exemplified using compounds 5623, 5625, 5666, 5679, 5738, 5746, 5784, 5791, 6651, and 6617. Foliar application: Weeds were grown in 7X7X6 cm pots, containing Nursery media (pH 5-6). The tests we performed on Amaranthus tuberculatus, Chenopodium album, Chenopodium murale, Malva nicaeensis, Abutilon theophrasti, Chrysanthemum coronarium, Silybum marianum, Bidens, Verbesina encelioides, Lactuca serriola, Erigeron canadensis, Erigeron bonariensis, Ormenis mixta, Xanthium strumarium, Heterotheca subaxillaris, Sonchus oleraceus, Sinapis arvensis, Datura innoxia, Datura ferox, Portulaca oleracea, Convolvulus althaeoides, Ipomoea hederacea, Medicago scutellate.
The tested compounds were applied by spraying the foliage when plants reached 2-4 true leaves at volume of 200 L/Ha (rate from 0 to 1 kg a.i./Ha) or by drench application. The herbicidal effect was examined 14 days after the treatment and assessed using the Damage Score described in the Example 6. In foliar application the effective dose resulting in Damage Score of ≥4 was from 0.1 to 1 Kg a.i./Ha (fig. 2 and fig. 3).
Reference is made to Figure 2 demonstrating the post-emergence herbicidal effect of compound 5679 on Amaranth tuberculatus, 14 DPA, foliar application (Damage Score 5), and to Figure 3, showing the herbicidal effect of compounds 5679, 5666 and 6651 in drench application on Malva nicaeensis, 14 DPA (Damage Score 4).
Example 9: Selectivity of DNAA to cereals Selectivity to cereals of claimed compounds was exemplified using the compounds: 5623, 5625, 5666, 5679, 5738, 5746, 5784, 5791, 6651, 6617, 5629, 5609, 5602, 5657. The tests were performed on cereal crops such as wheat, maize, rice, barley, sorghum, and oat in comparison to weed Amaranth palmeri (Figures 4, 5, and 6). The test plants were grown and treated as described in the Example 7 (pre-emergence application) or as described in the Example 8 (post-emergence foliar or drench applications).
The herbicidal effect was assessed using the Damage Score as detailed in Example 6.
Selectivity of tested compounds to cereals was observed up to the doses 5 kg a.i./Ha, 0.05% and 0.5 kg a.i./Ha in foliar, drench and soil applications respectively.
Reference is made Figure 4, showing the selectivity of compound 5666 to cereals in soil application at a dose of 0.25 Kg/Ha, 21 DPA Reference is made to Figure 5, demonstrating the selectivity of compound 5746 and 5666 to corn in foliar application, 1 Kg/Ha, 21 DPA.
Reference is made to figure 6, showing the selectivity compounds 5657, 5602, 5609, 5629 to cereals (corn and barley) in drench application (0.05%), 14 DPA Example 10. Herbicidal effect of DNAA on weeds resistant to other herbicides Herbicidal effect of claimed compounds on resistant weeds is exemplified using compound 5679. The tests were performed on herbicide-resistant weeds in foliar applications as described in Example 8. The herbicidal effect was assessed as detailed in Example 6. Compound 56were tested on weeds resistant to herbicides of Group 2 (ALS inhibitors); group (Photosystem I, Paraquat) and Group 9 (EPSP Synthase inhibitors, Glyphosate). Compound 5679 at dose of 0.5 kg a.i. /ha damaged (Damage Score ≥ 4) both in sensitive and resistant weeds.
Reference is made to Figure 7, showing the herbicidal effect of compound 5679 in foliar application on Glyphosate resistance (Group 9) and Paraquat (Group 22) resistant Conyza bonariensis, 14 DPA. Reference is made to figure 8, showing the Herbicidal effect of compound 5679 (0.5 kg a.i./ Ha, foliar application) on Sonchus oleraceus resistant to Sulfonylurea (Group herbicide), 14 DPA.
Discussion: Crop protection with herbicides is a key elements of global food sustainability. Unfortunately, herbicide resistance may be developed shortly after the introduction of the herbicides. According to the herbicide resistance mechanisms, all processes can be grouped as follows: target‐site resistance, non‐target‐site resistance, cross‐resistance and multiple‐resistance. Target‐site resistance is generally due to a single or several mutations in the gene encoding the herbicide‐target enzyme, which, in turn, decreases the affinity for herbicide binding to that enzyme. Non‐target‐site resistance is caused by mechanisms that reduce the amount of herbicidal active compound before it can attack the plant through the reduced absorption or altered translocation, increased herbicide sequestration or enhanced herbicide metabolism. Cross‐resistance means that a single‐resistance mechanism causes resistance to several herbicides with some mode of action. Multiple‐resistance is a situation where two or more resistance mechanisms are present within the same plant, often due to sequential selection by herbicides with different modes of action. Currently, herbicide resistance has been reported in a multitude of weed biotypes around the globe. Many of those biotypes are resistant to acetolactate synthase (ALS) inhibitors PS I and PS II inhibitors, ACC‐ase inhibitors and EPSPS inhibitors (herbicides of Groups 2, 1, 22, 5, and 9, respectively).
Unless otherwise defined, all technical and/or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the invention pertains. Although methods and materials similar or equivalent to those described herein can be used in the practice or testing of embodiments of the invention, exemplary methods and/or materials are described below. In case of conflict, the patent specification, including definitions, will prevail. In addition, the materials, methods, and examples are illustrative only and are not intended to be necessarily limiting.
As used herein the terms "comprises", "comprising", "includes", "including", "having" and their conjugates mean "including but not limited to".
The term "consisting of" means "including and limited to".
As used herein, the singular form "a", "an" and "the" include plural references unless the context clearly dictates otherwise. For example, the term "a compound" or "at least one compound" may include a plurality of compounds, including mixtures thereof.
It will be understood that when an element is referred to as being "on," "attached" to, "connected" to, "coupled" with, "contacting," etc., another element, it can be directly on, attached to, connected to, coupled with and/or contacting the other element or intervening elements can also be present. In contrast, when an element is referred to as being, for example, "directly on," "directly attached" to, "directly connected" to, "directly coupled" with or "directly contacting" another element, there are no intervening elements present. It will also be appreciated by those of skill in the art that references to a structure or feature that is disposed "adjacent" another feature can have portions that overlap or underlie the adjacent feature.
It will be understood that, although the terms first, second, etc., may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer and/or section, from another element, component, region, layer and/or section.
As will be appreciated by those of skill in the art, the compounds of the various formulas disclosed herein may contain chiral centers, e.g., asymmetric carbon atoms. Thus, the present disclosure is concerned with the synthesis of both: (i) racemic mixtures of the active compounds, and (ii) enantiomeric forms of the active compounds. The resolution of racemates into enantiomeric forms and racemization of optically active enantiomeric form can be done in accordance with known procedures in the art. Geometric isomers of double bonds and the like may also be present in the compounds disclosed herein, and all such stable isomers are included within the present disclosure unless otherwise specified. Also included in the compounds of the disclosure are tautomers (e.g., tautomers of triazole and/or imidazole) and rotamers. All chains defined by the formulas herein which include three or more carbons may be saturated or unsaturated unless otherwise indicated.
It is understood that substituents and substitution patterns on the compounds used in the method of the present invention can be selected by one of ordinary skill in the art to provide compounds that are chemically stable and that can be readily synthesized by techniques known in the art from readily available starting materials. If a substituent is itself substituted with more than one group, it is understood that these multiple groups may be on the same carbon or on different carbons, so long as a stable structure results.
An "optionally substituted" group refers to a functional group in which one or more bonds to a hydrogen atom contained therein are replaced by a bond to non-hydrogen or non-carbon atoms, provided that normal valences are maintained and that the substitution results in a stable compound. Substituted groups also include groups in which one or more bonds to a carbon(s) or hydrogen(s) atom are replaced by one or more bonds, including double or triple bonds, to a heteroatom. Where multiple substituent moieties are disclosed or claimed, the substituted compound can be independently substituted by one or more of the disclosed or claimed substituent moieties, singly or pluraly. By independently substituted, it is meant that the (two or more) substituents can be the same or different. In choosing the compounds of the present invention, one of ordinary skill in the art will recognize that the various substituents are to be chosen in conformity with well-known principles of chemical structure connectivity.
As used herein, "H" refers to a hydrogen atom. "C" refers to a carbon atom. "N" refers to a nitrogen atom. "O" refers to an oxygen atom. "Halo" refers to F, Cl, Br or I. The term "hydroxy," as used herein, refers to an -OH moiety. "Br" refers to a bromine atom. "Cl" refers to a chlorine atom. "I" refers to an iodine atom. "F" refers to a fluorine atom. An "acyl group" is intended to mean a group -C(O)-R, where R is a suitable substituent, for example, an acetyl group, a propionyl group, a butyroyl group, a benzoyl group, or an alkylbenzoyl group. "Alkyl," as used herein, refers to a straight or branched chain hydrocarbon containing from 1 or 2 to 10 or or more carbon atoms (e.g., C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, etc.). In some embodiments the alkyl can be a lower alkyl. "Lower alkyl" refers to straight or branched chain alkyl having from 1 to 3, or from 1 to 5, or from 1 to 8 carbon atoms. Representative examples of alkyl include, but are not limited to, methyl, ethyl, n-propyl, iso-propyl, n-butyl, sec-butyl, iso-butyl, tert-butyl, n-pentyl, isopentyl, neopentyl, n-hexyl, 3-methylhexyl, 2,2-dimethylpentyl, 2,3-dimethylpentyl, n-heptyl, n-octyl, n-nonyl, n-decyl, and the like. As used herein, the identification of a carbon number range, e.g., C1-C12 alkyl, is intended to include each of the component carbon number moieties within such range, so that each intervening carbon number and any other stated or intervening carbon number value in that stated range is encompassed, such that sub-ranges of carbon number within specified carbon number ranges may independently be specified. For example, C1-C12 alkyl is intended to include methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl and dodecyl, 30 including straight chain as well as branched groups, as noted above, and the carbon number range C1-C12 alkyl may also be more restrictively specified as sub-ranges such as C1-C4 alkyl, C2-C8 alkyl, C2-C4 alkyl, C3-C5 alkyl, or any other sub-range within the broader carbon number range. In addition, ranges of carbon numbers specifically excluding a carbon number or numbers are contemplated, as are sub-ranges excluding either or both of carbon number limits of specified ranges. As generally understood by those of ordinary skill in the art, "saturation" refers to the state in which all available valence bonds of an atom (e.g., carbon) are attached to other atoms. Similarly, "unsaturation" refers to the state in which not all the available valence bonds are attached to other atoms; in such compounds the extra bonds usually take the form of double or triple bonds (usually with carbon). For example, a carbon chain is "saturated" when there are no double or triple bonds present along the chain or directly connected to the chain (e.g., a carbonyl), and is "unsaturated" when at least one double or triple bond is present along the chain or directly connected to the chain (e.g., a carbonyl). Further, the presence or absence of a substituent depending upon chain saturation will be understood by those of ordinary skill in the art to depend upon the valence requirement of the atom or atoms to which the substituent binds (e.g., carbon). "Alkenyl," as used herein, refers to a straight or branched chain hydrocarbon containing from 1 or 2 to 10 or 20 or more carbons, and containing at least one carbon-carbon double bond, formed structurally, for example, by the replacement of two hydrogens. Representative examples of "alkenyl" include, but are not limited to, ethenyl, 2-propenyl, 2-methyl-2-propenyl, 3-butenyl, 4-pentenyl, 5-hexenyl, 2- heptenyl, 2-methyl-1-heptenyl, 3-decenyl and the like. "Alkynyl," as used herein, refers to a straight or branched chain hydrocarbon group containing from 1 or 2 to 10 or 20 or more carbon atoms, and containing at least one carbon-carbon triple bond. Representative examples of alkynyl include, but are not limited, to acetylenyl, 1-propynyl, 2-propynyl, 3-butynyl, 2-pentynyl, 1-butynyl and the like. The term "cycloalkyl," as used herein, refers to a saturated cyclic hydrocarbon group containing from 3 to 8 carbons or more.
As understood in the art, the term "optionally substituted" indicates that the specified group is either unsubstituted or substituted by one or more suitable substituents. A "substituent" that is "substituted" is an atom or group which takes the place of a hydrogen atom on the parent chain or cycle of an organic molecule. "Heterocycle," as used herein, refers to a monocyclic, 30 bicyclic or tricyclic ring system. Monocyclic heterocycle ring systems are exemplified by any to 9-membered ring containing 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of: O, N, and S. "Aryl" as used herein refers to a ring system having one or more aromatic rings. Representative examples of aryl include azulenyl, indanyl, indenyl, naphthyl, phenyl, tetrahydronaphthyl, and the like. "Heteroaryl" means a cyclic, aromatic hydrocarbon in which one or more carbon atoms have been replaced with heteroatoms (e.g., N, O or S). If the heteroaryl group contains more than one heteroatom, the heteroatoms may be the same or different. "Alkoxy," as used herein, refers to an alkyl group, as defined herein, appended to the parent molecular moiety through an oxy group, as defined herein. An "amine" or "amino" is intended to mean the group -NH. "Primary amines" have one of three hydrogen atoms replaced by an alkyl or aromatic group. "Secondary amines" have two organic substituents bound to the nitrogen together with one hydrogen. "Tertiary amines" have three organic substituents bound to the nitrogen. An "amide" as used herein, refers to a functional group having a carbonyl group (C=O) linked to a nitrogen atom (N), or an organic compound that contains this group, generally depicted as: wherein, R and R′ can independently be any covalently linked atom or atoms.
The term "oxo," as used herein, refers to a =O moiety. The term "oxy," as used herein, refers to a -O- moiety. "Nitro" refers to the organic compound functional group -NO. "Carbonyl" is a functional group having a carbon atom double-bonded to an oxygen atom (-C=O). "Carboxy" as used herein refers to a -COOH functional group, also written as -COH or -(C=O)-OH.
It will be understood that the compounds, compositions and methods provided herein may be further specified in some embodiments by provisos or limitations excluding specific substituents, groups, moieties, structures, ingredients, steps, or conditions, as applicable, in relation to various broader specifications and exemplifications set forth herein.
"Agriculturally acceptable carriers" of the invention include, without limitation, adjuvants, mixers, enhancers, etc. beneficial for application of the chemical formula. Suitable carriers should not be phytotoxic to valuable crops, particularly at the concentrations employed in applying the compositions for selective weed control in the presence of crops and should not react chemically with the compounds of the chemical formula herein or other composition ingredients. Such mixtures can be designed for application directly to weeds or their locus or can be concentrates or formulations which are normally diluted with additional carriers and adjuvants before application. They may include inert or active components and can be solids, such as, for example, dusts, granules, water dispersible granules, or wettable powders, or liquids, such as, for example, emulsifiable concentrates, solutions, emulsions or suspensions. Suitable agricultural carriers useful in preparing agricultural compositions of the present invention are well known to those skilled in the art. For example, liquid carriers that can be employed include water, toluene, xylene, petroleum naphtha, crop oil, acetone, methyl ethyl ketone, cyclohexanone, trichloroethylene, perchloroethylene, ethyl acetate, amyl acetate, butyl acetate, propylene glycol monomethyl ether and diethylene glycol monomethyl ether, methanol, ethanol, isopropanol, amyl alcohol, ethylene glycol, propylene glycol, glycerine, and the like. Water is generally the carrier of choice for the dilution of concentrates. Suitable solid carriers include talc, pyrophyllite clay, silica, attapulgus clay, kieselguhr, chalk, diatomaceous earth, lime, calcium carbonate, bentonire clay, Fuller's earth, cotton seed hulls, wheat flour, soybean flour, pumice, wood flour, walnut shell flour, lignin, and the like.
It is frequently desirable to incorporate one or more surface-active agents into the compositions of the present invention. Such surface-active agents are advantageously employed in both solid and liquid compositions, especially those designed to be diluted with carrier before application. The surface-active agents can be anionic, cationic or nonionic in character and can be employed as emulsifying agents, wetting agents, suspending agents, or for other purposes. Typical surface active agents include salts of alkyl sulfates, such as diethanolammonium lauryl sulfate; alkylarylsulfonate salts, such as calcium dodecylbenzenesulfonate; alkylphenol-alkylene oxide addition products, such as nonylphenol-C.sub.18 ethoxylate; alcohol-alkylene oxide addition products, such as tridecyl alcohol-C.sub.ethorylate; soaps, such as sodium stearate; alkylnaphthalenesulfonate salts, such as sodium dibutylnaphthalenesulfonate; dialkyl esters of sulfosuccinate salts, such as sodium di(2-ethylhexyl) sulfosuccinate; sorbitol esters, such as sorbitol oleate; quaternary amines, such as lauryl trimethylammonium chloride; polyethylene glycol esters of fatty acids, such as polyethylene glycol stearate; block copolymers of ethylene oxide and propylene oxide; and salts of mono and dialkyl phosphate esters. 30 Other adjuvants commonly utilized in agricultural compositions include antifoam agents, compatibilizing agents, sequestering agents, neutralizing agents and buffers, corrosion inhibitors, dyes, odorants, penetrations aids, spreading agents, sticking agents, dispersing agents, thickening agents, freeze point depressants, antimicrobial agents, and the like. The compositions can also contain other compatible components, for example, other herbicides, plant growth regulators, fungicides, insecticides, and the like and can be formulated with liquid fertilizers or solid, particulate fertilizer carriers such as ammonium nitrate, urea and the like.
"Agriculturally acceptable salt" or "acceptable salt" is intended to mean a salt that retains the biological effectiveness of the free acids and bases of a specified compound and that is not biologically or otherwise undesirable. Examples of agriculturally acceptable salts include sulfates, pyrosulfates, bisulfates, sulfites, bisulfites, phosphates, monohydrogenphosphates, dihydrogenphosphates, metaphosphates, pyrophosphates, chlorides, bromides, iodides, acetates, propionates, decanoates, caprylates, acrylates, formates, isobutyrates, caproates, heptanoates, propiolates, oxalates, malonates, succinates, suberates, sebacates, fumarates, maleates, butyne-1,4-dioates, hexyne-1,6-dioates, benzoates, chlorobenzoates, methylbenzoates, dinitrobenzoates, hydroxybenzoates, methoxybenzoates, phthalates, sulfonates, xylenesulfonates, phenylacetates, phenylpropionates, phenylbutyrates, citrates, lactates, γ-hydroxybutyrates, glycollates, tartrates, methane-sulfonates, propanesulfonates, naphthalene-1-sulfonates, naphthalene-2-sulfonates, and mandelates.
Throughout this application, various embodiments of this invention may be presented in a range format. It should be understood that the description in range format is merely for convenience and brevity and should not be construed as an inflexible limitation on the scope of the invention. Accordingly, the description of a range should be considered to have specifically disclosed all the possible subranges as well as individual numerical values within that range. For example, description of a range such as from 1 to 6 should be considered to have specifically disclosed subranges such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6 etc., as well as individual numbers within that range, for example, 1, 2, 3, 4, 5, and 6. This applies regardless of the breadth of the range.
Whenever a numerical range is indicated herein, it is meant to include any cited numeral (fractional or integral) within the indicated range. The phrases "ranging/ranges between" a first indicate number and a second indicate number and "ranging/ranges from" a first indicate number "to" a second indicate number are used herein interchangeably and are meant to include the first and second indicated numbers and all the fractional and integral numerals therebetween.
Certain features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, various features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable sub-combination or as suitable in any other described embodiment of the invention. Certain features described in the context of various embodiments are not to be considered essential features of those embodiments, unless the embodiment is inoperative without those elements.
As used herein the term "method" refers to manners, means, techniques and procedures for accomplishing a given task including, but not limited to, those manners, means, techniques and procedures either known to, or readily developed from known manners, means, techniques and procedures by practitioners of the chemical, agricultural, biological, and biochemical arts.
As used herein the term "plant growth regulator" refers but not limited to a compound, either natural or synthetic, that modifies or controls one or more specific physiological processes within a plant.
As used herein the term "plant" refers but not limited to whole plants, ancestors and progeny of the plants and plant parts, including seeds, shoots, stems, roots (including tubers), and plant cells, tissues and organs. The plant may be in any form including suspension cultures, embryos, meristematic regions, callus tissue, leaves, gametophytes, sporophytes, pollen, and microspores.
As used herein the term "crop protection agent" refers but not limited to an agent which is a pesticide (or a mixture of more than one pesticide) or a plant growth regulator.
As used herein the term "pesticide" refers to, but not limited to a chemical or biological agent that deters, incapacitates, kills, or otherwise discourages pests.
Compounds of this invention will generally be used as an herbicidal active ingredient in a composition. As used herein the term "composition" refers but not limited to a formulation, with at least one additional component selected from surfactants, solid diluents and liquid diluents, which serves as a carrier. The formulation or composition ingredients are selected to be consistent with the physical properties of the active ingredient, mode of application and environmental factors such as oil type, moisture and temperature. Useful compositions may include both liquid and solid formulation. Liquid formulations may include solutions (including emulsifiable concentrates), suspensions, emulsions (including icroemulsions, oil-in-water emulsions, flowable concentrates and/or suspoemulsions) and alike, which optionally can be thickened into gels. The general types of aqueous liquid compositions are soluble concentrate, suspension concentrate, capsule suspension, oncentrated emulsion, microemulsion, oil-in-water emulsion, flowable concentrate and uspo-emulsion. The general types of nonaqueous liquid compositions are emulsifiable oncentrate, microemulsifiable concentrate, dispersible concentrate and oil dispersion.
The general types of solid formulations are dusts, powders, granules, pellets, prills, astilles, tablets, filled films (including seed coatings) and the like, which can be ater-dispersible ("wettable") or water-soluble. Films and coatings formed from film-forming solutions or flowable suspensions are particularly useful for seed treatment. Active ingredient can be (micro)encapsulated and further formed into a suspension or solid formulation; alternatively, the entire formulation of active ingredient can be encapsulated (or "overcoated"). Encapsulation can control or delay release of the active ingredient. Sprayable formulations are typically extended in a suitable medium before spraying. Such liquid and solid formulations are formulated to be readily diluted in the spray medium, usually water, but occasionally another suitable medium like an aromatic or paraffinic hydrocarbon or vegetable oil. Spray volumes can range from about one to several thousand liters per hectare, but more typically are in the range from about ten to several hundred liters per hectare. Sprayable formulations can be tank mixed with water or another suitable medium for foliar treatment by aerial or ground application, or for application to the growing medium of the plant. Liquid and dry formulations can be metered directly into drip irrigation systems or metered into the furrow during planting.
The formulations will typically contain effective amounts of active ingredient, diluent and surfactant within the following approximate ranges which add up to 100 percent by eight.
The compounds of the invention have (both preemergent and postemergent) herbicidal activity. As used herein the term "controlling undesired plant growth" refers to killing or injuring the vegetation or reducing its growth.
The compounds and compositions of the invention can be usefully applied by a variety of methods involving contacting a herbicidally effective amount of a compound of the invention, or a composition comprising said compound and at least one of a surfactant, a solid diluent or a liquid diluent, to the foliage or other part of the undesired plant or to the environment of the undesired plant growth such as the soil or water in which the undesired plant is growing or which surrounds the seed or other propagule of the undesired plant.
A herbicidally effective amount of the compounds of this invention is determined by a number of factors: formulation selected, method of application, amount and type of undesired plant growth present, growing conditions, etc. In general, a herbicidally effective amount of compounds of this invention is about 0.001 to 20 kg/ha with a preferred range of about 0.0to 1 kg/ha. One skilled in the art can easily determine the herbicidally effective amount necessary for the desired level of weed control.
The compounds of the invention are applied, typically in a form of formulated composition, to a locus comprising desired vegetation (e.g., crops) and undesired plant growth (i.e. weeds), both of which may be seeds, seedlings and/or larger plants, in contact with a growth medium (e.g., soil). In this locus, a composition comprising the compounds of the invention can be directly applied to a plant or any part of a plant thereof, particularly of the undesired plant growth, and/or to the growth medium in contact with the plant.
Compounds of this invention can also be mixed with one or more other biologically active compounds or agents including herbicides, herbicide safeners, fungicides, insecticides, nematocides, bactericides, acaricides, plant growth regulators such as insect molting inhibitors and rooting stimulants, chemosterilants, semiochemicals, repellents, attractants, pheromones, feeding stimulants, plant nutrients, other biologically active compounds or bacteria, virus or fungi to form a multi-component pesticide giving broader spectrum of agricultural protection. Mixtures of the compounds of the invention with other herbicides can broaden the spectrum of activity against additional weed species and suppress the proliferation of any resistant biotypes.
Throughout this application various publications, published patent applications and published patents are referenced. The disclosures of these publications in their entireties are hereby incorporated by reference into this application in order to more fully describe the state of the art to which this invention pertains.
Certain features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, various features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable subcombination or as suitable in any other described embodiment of the invention. Certain features described in the context of various embodiments are not to be considered essential features of those embodiments, unless the embodiment is inoperative without those elements.

Claims (47)

Claims:
1. An agricultural composition comprising a compound or a salt thereof having the structure or a salt thereof, wherein: A is cyclopentadiene, benzene or indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I, and wherein X is selected from F, Cl, Br and I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from -F, -Cl, -Br and -I; and, Z is -COOH, -COO-, -OH, -O-R, -COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n≥1); -O-(CHMeCHO)nR (n≥1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group; and, wherein the composition comprises at least one agriculturally acceptable carrier.
2. The composition of claim 1, wherein Z is selected from
3. The agricultural composition of claim 1, comprising the compound or an agriculturally acceptable salt thereof, having the structure Wherein R is selected from Cl; Br; I; and CF; R is H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol, polyethylene glycol, propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one, and 1-(1H-inden-3-yl)propan-1-one.
4. The agricultural composition of claim 1, comprising the compound or an agriculturally acceptable salt thereof, having the structure Wherein Ris selected from Cl; Br; I; and –CF; R is H or F; and Ris selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1-one.
5. The agricultural composition of claim 1, comprising the compound or an agriculturally acceptable salt thereof, having the structure Wherein R is selected from Cl; Br; I; and -CF; R is H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1-one.
6. The agricultural composition of claim 1, comprising the compound or an agriculturally acceptable salt thereof, having the structure Wherein R is selected from Cl; Br; I; and -CF; R is H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1-one.
7. The agricultural composition of claim 1, comprising the compound or an agriculturally acceptable salt thereof, having the structure Wherein R is selected from Cl; Br; I; and -CF; R and Ris each independently selected from H or F; and R is selected from H, saturated or non-saturated aliphatic straight, branched, cyclic or aromatic chain; ethylene glycol; polyethylene glycol; propylene glycol, polypropylene glycol, ethylpyridine, ethylbenzene, 1-(bromophenyl)ethan-1-one, 1-(1H-inden-3-yl)ethan-1-one, 1-(2,3-dihydro-1H-inden-1-yl)ethan-1-one; 1-(2,3-dihydro-1H-inden-1-yl)propan-1-one; and 1-(1H-inden-3-yl)propan-1-one.
8. The agricultural composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure N O OH Br FF F
9. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
10. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
11. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
12. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure NOHFF F FF O NOOBr
13. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
14. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
15. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
16. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
17. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure SO OHF F Cl
18. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
19. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
20. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
21. The composition of claim 1 or 2, comprising the compound having the structure
22. The composition of claim 1 or 2, comprising the compound or an agriculturally acceptable salt, having the structure
23. The composition of claim 1, comprising a compound selected from the group consisting of 2-(2,5-dichlorothiophen-3-yl)ethan-1-amine; 3-(2,5-dichlorothiophen-3-yl)-2-hydroxypropanoic acid; 2-(2,5-dichlorothiophen-3-yl)acetic acid; 1-(2,5-dichlorothiophen-3-yl)methanamine; 2-(thiophen-3-yl)ethan-1-amine; 2-(thiophen-3-yl)ethan-1-ol; 2-amino-1-(thiophen-3-yl)ethan-1-ol; 2-(thiophen-3-yl)acetamide; 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine; 2-(1H-1,2,4-triazol-5-yl)ethan-1-amine; 3-(thiophen-3-yl)propan-1-amine; 2,5-dichloro-1,3-thiazole-4-carboxylic acid; 4-(2,5-dichlorothiophen-3-yl)butanoic acid; ethyl 3-[5-(chloromethyl)-1,3,4-thiadiazol-2-yl]-2-acetamido-3,3-difluoropropanoate; 2-amino-3-(1H-indazol-3-yl)propanoic acid hydrochloride [HCl]; (2-bromopyridin-4-yl)acetic acid; 3-(2-bromopyridin-4-yl)-2-hydroxypropanoic acid; 2-(2-bromopyridin-4-yl)ethan-1-amine; 4-(2-aminoethyl)phenol; bis[(2-bromopyridin-4-yl)methyl]amine; 2-(pyridin-3-yl)acetamide; 2-(2,6-dibromopyridin-4-yl)acetic acid; 2-bromo-4-(2-bromoethyl)pyridine; naphthalene-2-carboxylic acid; 2-bromopyridine-4-carboxylic acid; (2E)-3-(2,6-dichloropyridin-3-yl)prop-2-enoic acid; 2-amino-N-(2-bromopyridin-4-yl)ethane-1-sulfonamide; 4-(2,5-dichlorothiophen-3-yl)butanamide; 2-(thiophen-3-yl)ethane-1-thiol; (2-aminoethyl)[(2,5-dichlorothiophen-3-yl)methyl]amine; 2-{[2-(thiophen-3-yl)ethyl]sulfanyl}ethan-1-amine; 3-(thiophen-3-yl)propane-1,2-diol; 3-[(2,5-dichlorothiophen-3-yl)formamido]-2,2-difluoropropanoic acid; 3-(2,5-dichlorothiophen-3-yl)propanoic acid; (2E)-3-(5-chlorothiophen-2-yl)prop-2-enoic acid; (2E)-3-(1,3-thiazol-5-yl)prop-2-enoic acid; 2-(2,5-dichlorothiophen-3-yl)acetamide; [(2,5-dichlorothiophen-3-yl)methyl]hydrazine; 3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid; 3-(2,5-dichlorothiophen-3-yl)-2-oxopropanoic acid; 2,5-dichloro-1,3-thiazole-4-carbonyl chloride; 2-bromo-N-[(2,5-dichlorothiophen-3-yl)methyl]pyridine-4-carboxamide; 2-{[(2,5-dichlorothiophen-3-yl)methyl]amino}acetic acid; dichloro-1,3-thiazole-4-carboxamide; N-(2,5-dichloro-1,3-thiazol-4-yl)acetamide; (3E)-4-(2,5-dichlorothiophen-3-yl)-2-oxobut-3-enoic acid; (2E)-3-(3-chloro-1H-1,2,4-triazol-5-yl)prop-2-enoic acid; (2E)-3-(2,4-dichloro-1,3-thiazol-5-yl)prop-2-enoic acid; 2-(2-chlorothiophen-3-yl)-2,2-difluoroacetic acid; 3-{[(2,5- dichlorothiophen-3-yl)methyl]amino}-2,2-difluoropropanoic acid; 2-(5-chlorothiophen-3-yl)-2,2-difluoroacetic acid; 3-{4-[(2,5-dichlorothiophen-3-yl)methyl]piperazin-1-yl}propanoic acid; trichloro-1,3-thiazole; 3-(1H-1,2,4-triazol-1-yl)propanoic acid; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide; 4-(2,5-dichlorothiophen-3-yl)-2,2-dimethylbutanoic acid; 2-(2,5-dichlorothiophen-3-yl)-2-oxoacetic acid; 4-(2,5-dichlorothiophen-3-yl)-4,4-difluorobutanoic acid; 2-amino-3-(1H-1,2,4-triazol-1-yl)propanoic acid dihydrochloride [HCl]; N-propyl-3-(4H-1,2,4-triazol-3-yl)propanamide; propyl 3-(4H-1,2,4-triazol-3-yl)propanoate; 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetamide; 2-(2,5-dichloro-1,3-thiazol-4-yl)acetic acid; 3-(2,5-dichloro-1,3-thiazol-4-yl)-N-propylpropanamide; ethyl 3-(2,5-dichloro-1,3-thiazol-4-yl)propanoate; (2,5-dichlorothiophen-3-yl)(difluoro)acetic acid; 2-(3-bromo-1H-1,2,4-triazol-5-yl)ethan-1-amine; ethyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; [2-(2,5-dichlorothiophen-3-yl)(difluoro)acetamido]acetic acid; 2-oxo-2-(2,4,5-trichlorothiophen-3-yl)acetic acid; 3-(2,5-dichlorothiophen-3-yl)-N-ethylpropanamide; 3-[(2,5-dibromothiophene-3-sulfonyl)amino]propanoic acid; N-(2-aminoethyl)-2,5-dibromothiophene-3-sulfonamide; ethyl 3-(2,5-dichlorothiophen-3-yl)propanoate; N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]acetamide; 2,2-difluoro-2-(2,4,5-trichlorothiophen-3-yl)acetic acid; methyl oxo(2,4,5-trichlorothiophen-3-yl)acetate; 1-(2,5-dichloro-1,3-thiazol-4-yl)methanamine; 2,2-difluoro-2-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)acetic acid; ethyl (2,5-dichloro-1,3-thiazol-4-yl)(difluoro)acetate; methyl 2-chloro-2-(2,5-dichlorothiophen-3-yl)acetate; 4-(2,5-dichlorothiophen-3-yl)butan-1-amine; 2-amino-2-(2,5-dichlorothiophen-3-yl)acetic acid; propyl[2-(1H-1,2,4-triazol-3-yl)ethyl]amine; ethyl 2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate; ethyl 2-bromo-2-(2-bromo-5-methyl-1,3-thiazol-4-yl)acetate; ethyl 2-(2-bromo-1,3-thiazol-4-yl)acetate; sodium (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2,5-dichloro-1,3-thiazol-4-yl)-2,2-difluoroacetic acid,; ethyl (2,5-dichlorothiophen-3-yl)acetate; benzyl 2-(2,5-dichlorothiophen-3-yl)acetate; 2-(2,5-dichlorothiophen-3-yl)-N-methoxyethan-1-amine; 2-(2,5-dichlorothiophen-3-yl)-N,N,N-trimethylethan-1-aminium; ethyl 2-(5-bromo-2-methyl-1,3-thiazol-4-yl)acetate; 2-amino-4,5,6,7-tetrahydro-1,3-benzothiazole-4-carboxylic acid hydrochloride; 5-(2,5-dichlorothiophen-3-yl)imidazolidine-2,4-dione; 2-chloro-4-phenyl-1,3-thiazole; 2-(2-amino-1,3-thiazol-4-yl)-2,2-difluoroacetic acid; 2,2-difluoro-2-[2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid; 2-(2,5-dichloro-1,3-thiazol-4-yl)-N,N,N-trimethylethan-1- aminium; 2-chloro-4-(phenoxymethyl)-1,3-thiazole; 2-chloro[1,3]thiazolo[5,4-b]pyridine-6-carboxylic acid; 4-benzyl-2-chloro-1,3-thiazole; 3-({[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]amino}methyl)phenol; 2,2-difluoro-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid; dibenzyl[(2-chloro-1,3-thiazol-4-yl)methyl]amine; dichloro-1,3-thiazole-4-sulfinic acid; 2-(2,5-dichloro-1,3-thiazol-4-yl)ethan-1-amine; 2,5-dichlorothiophene-3-carboxylic acid; (thiophen-3-yl)acetic acid; benzyl[2-(2,5-dichlorothiophen-3-yl)ethyl]amine; (thiophen-3-yl)propanedioic acid; N-[2-(2,5-dichloro-1,3-thiazol-4-yl)ethyl]-2-(3- hydroxyphenyl)acetamide; 4-[difluoro(phenyl)methyl]-1,3-thiazol-2-amine; 4-[difluoro(phenyl)methyl]-1H-imidazole; 2-chloro-4-[difluoro(phenyl)methyl]-1,3-thiazole; 2,2-difluoro[2-(trifluoromethyl)-1,3-thiazol-5-yl]acetic acid; ethyl 2,2-difluoro-2-[5-(trifluoromethyl)thiophen-2-yl]acetate; 2-chloro-4-(2-hydrazinylethyl)-1,3-thiazole; ethyl difluoro(thiophen-3-yl)acetate; 2-(2-chloro-1,3-thiazol-4-yl)acetohydrazide; [2-(2,5-dichlorothiophen-3-yl)ethyl]hydrazine; ethyl difluoro[5-(trifluoromethyl)thiophen-3-yl]acetate; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-2-phenylacetamide; benzyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2,2-difluoro-2-[5-(trifluoromethyl)-1,3-thiazol-2-yl]acetic acid; [2-(5-chlorothiophen-3-yl)ethyl]hydrazine; [(2-chloro-1,3-thiazol-4-yl)methyl]phosphonic acid; 1-(2-chloro-1,3-thiazol-4-yl)-3-phenylpropan-2-one; 2-(2-chloro-1,3-thiazol-4-yl)-N'-methylacetohydrazide; 2-[2-(5-chloro-3-fluoropyridin-2-yl)-1,3-thiazol-4-yl]acetic acid; 2,2-difluoro-2-[5-methyl-2-(trifluoromethyl)-1,3-thiazol-4-yl]acetic acid; 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroethan-1-ol; N'-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N-(3-hydroxypropyl)guanidine; 2-carbamimidamido-N-[2-(2,5-dichlorothiophen-3-yl)ethyl]acetamide; N-[2-(2,5-dichlorothiophen-3-yl)ethyl]-N'-(2-hydroxypropyl)guanidine; difluoro[2-(trifluoromethyl)thiophen-3-yl]acetic acid ; ethyl 2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-bromo-1,3-thiazol-4-yl)-2,2-difluoroacetic acid; 2-[2-(2,5-dichlorothiophen-3-yl)ethyl]-1,4,5,6- tetrahydropyrimidin-5-ol; 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol; 2-{[2-(2,5-dichlorothiophen-3-yl)ethyl](4,5-dihydro-1H-imidazol-2-yl)amino}ethan-1-ol; 2-[2-(4-chloro-2-fluorophenyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)acetate; 2,2-difluoro-2-{2-[3-fluoro-5-(trifluoromethyl)pyridin-2-yl]-1,3-thiazol-4-yl}acetic acid; [(2-bromo-1,3-thiazol-4-yl)(difluoro)methyl]phosphonic acid; 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 4-amino-5-(2-chlorothiophen-3- yl)pentanoic acid; 2-oxo-2-(pyridin-2-yl)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-oxo-2-phenylethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 2-(2-{[2-(2,5-dichlorothiophen-3-yl)ethyl]amino}-4,5-dihydro-1H-imidazol-1-yl)ethan-1-ol; 3-acetyl-1-[2-(2,5-dichlorothiophen-3-yl)ethyl]piperidin-4-one; [2,5-bis(trifluoromethyl)-1,3-thiazol-4-yl](difluoro)acetic acid; 2-[2-(benzyloxy)ethoxy]ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(1,2,3-thiadiazol-4-yl)acetic acid; [2-(2,4-dimethylbenzene-1-sulfonyl)-1,3-thiazol-4-yl](difluoro)acetic acid; 5H,6H-thieno[3,2-d][1,2,3]thiadiazole-5-carboxylic acid; (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid; {2-[(6-amino-9H-purin-9-yl)methoxy]ethoxy}methyl (2-chloro-1,3-thiazol-4-yl)acetate; (2-chloro-1,3-thiazol-4-yl)(cyano)acetic acid; (2-chloro-5-fluoro-1,3-thiazol-4-yl)(difluoro)acetic acid; (6-cyanopyridin-2-yl)(difluoro)acetic acid; (6-bromopyridin-2-yl)methyl 2-(2,5-dichlorothiophen-3-yl)-2,2-difluoroacetate; (6-bromopyridin-2-yl)methyl (2,5-dichlorothiophen-3-yl)acetate; difluoro[4-(trifluoromethyl)thiophen-3-yl]acetic acid ; (4-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(2-methoxyethoxy)ethyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; (2-bromophenyl)methyl (2,5-dichlorothiophen-3-yl)(difluoro)acetate; 2-(3-chloro-1,2-thiazol-4-yl)-2,2-difluoroacetic acid; 2,5,8,11,14-pentaoxahexadecan-16-yl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; ethyl 2-(2-chloro-1,3-thiazol-4-yl)-2,2-difluoroacetate; 2-(2-chloro-1,3-benzothiazol-4-yl)-2,2-difluoroacetic acid; 2-[5-chloro-2-(trifluoromethyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; 2-[2-chloro-5-(2-phenylethynyl)-1,3-thiazol-4-yl]-2,2-difluoroacetic acid; 2-(4-methylphenyl)-2-oxoethyl (2-chloro-1,3-thiazol-4-yl)acetate; 2-(2-cyanothiophen-3-yl)acetic acid; octyl (2-chloro-1,3-thiazol-4-yl)(difluoro)acetate; 3-(2-chloro-1,3-thiazol-4-yl)-3-oxopropanoic acid; 2-(6-bromopyridin-2-yl)-2-oxoethyl (2-chlorothiophen-3-yl)acetate; 4-(2,5-dichloro-1,3-thiazol-4-yl)but-3-ynoic acid; 2-bromopyridine-4-carboxamide; (2E)-3-(6-chloropyridin-2-yl)prop-2-enoic acid; (2E)-3-(2-chloropyridin-3-yl)prop-2-enoic acid; (2E)-3-(2-bromopyridin-3-yl)prop-2-enoic acid; (2E)-3-(2-bromopyridin-4-yl)prop-2-enoic acid; 2-bromo-N-(2-bromopyridin-4-yl)pyridine-4-carboxamide; (2E)-3-(2-bromopyridin-4-yl)-N-(4-hydroxyphenyl)prop-2-enamide; 3-(2-bromopyridin-4-yl)-2-oxopropanoic acid; 2-(2,6-dibromopyridin-4-yl)ethan-1-amine; 4-(2-aminoethyl)-6-bromopyridine-2- carbonitrile; 2,2-difluoro-2-(pyridin-4-yl)acetic acid; 2-[4-(pyridin-4-yloxy)phenyl]acetic acid; 3-amino-3-(2-bromopyridin-4-yl)propanamide; 2-(6-bromopyridin-2-yl)-2,2-difluoroacetic acid; 3-[(2-bromopyridin-4-yl)formamido]-2,2-difluoropropanoic acid; 2,2-difluoro-2-(pyrimidin-2-yl)acetic acid; 2-(6-bromopyridin-3-yl)-2,2-difluoroacetic acid; 2-(6-bromopyrimidin-4-yl)ethan-1-amine; 2-[2-amino-3-(4-hydroxyphenyl)propanamido]-3-phenylpropanoic acid hydrochloride; 2-(2-phenoxypyridin-4-yl)ethan-1-amine; (2-bromopyridin-4-yl)(oxo)acetic acid; 1-chloroisoquinoline-7-carboxylic acid; 2-(2,6-dichloropyridin-4-yl)-2,2-difluoroacetic acid; methyl 2-(2-bromopyridin-4-yl)-2,2-difluoroacetate; (2,6-dibromopyridin-4-yl)-2,2-difluoroacetic acid; 2-(2,6-dibromopyridin-4-yl)-2,2-difluoroacetamide; 6-bromopyridine-2-carboximidamide hydrochloride; ethyl 2-(6-bromopyridin-2-yl)acetate; N-[(6-bromopyridin-2-yl)methyl]guanidine; N-(6-bromopyridin-2-yl)guanidine hydrochloride; (2E)-3-(6-bromopyridin-3-yl)-2,3-difluoroprop-2-enoic acid; ethyl 2-(6-bromopyridin-2-yl)-2,2-difluoroacetate; 2-(6-bromopyridin-2-yl)-2,2-difluoroethan-1-ol ; [2-(6-bromopyridin-2-yl)ethyl]trimethylazanium; 2-bromo-6-phenoxypyridine; benzyl (6-bromopyridin-2-yl)(difluoro)acetate; 2-amino-3-(6-bromopyridin-2-yl)propan-1-ol; 2-(6-bromopyridin-2-yl)ethanimidamide hydrochloride; 3-(2-bromopyridin-4-yl)propan-1-amine; 2-bromo-6-[difluoro(phenyl)methyl]pyridine; 2,2-difluoro-2-[6-(trifluoromethyl)pyridin-2-yl]acetic acid; 2,2-difluoro-2-[4-(trifluoromethyl)pyrimidin-2-yl]acetic acid; 2-(6-chloropyrazin-2-yl)-2,2-difluoroacetic acid; 2,2-difluoro-2-[6-(trifluoromethyl)pyrazin-2-yl]acetic acid; 2-[6-(4-chloro-2-fluorophenyl)pyridin-2-yl]-2,2-difluoroacetic acid; 2-(6-bromopyridin-2-yl)ethan-1-amine; 2-[6-(2,5-dichlorothiophen-3-yl)pyridin-2-yl]-2,2-difluoroacetic acid; 2,2-difluoro-2-{6-[2-(trifluoromethyl)-1,3-thiazol-4-yl]pyridin-2-yl}acetic acid; 2,2-difluoro-2-{6-[2-fluoro-4-(trifluoromethyl)phenyl]pyridin-2-yl}acetic acid; difluoro(3,5,6-trifluoropyridin-2-yl)acetic acid; 2-fluoro-2-(3,5,6-trifluoropyridin-2-yl)acetic acid; 2-[6-(2-chloro-1,3-thiazol-4-yl)pyridin-2-yl]-2,2-difluoroacetic acid; (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid; difluoro(6-fluoropyridin-2-yl)acetic acid; difluoro[6-(methylideneamino)pyridin-2-yl]acetic acid; (6-chloropyridin-2-yl)(difluoro)acetic acid; (6-bromo-5-fluoropyridin-2-yl)(difluoro)acetic acid; octyl (2-bromo-6-cyanopyridin-3-yl)acetate; octyl (6-bromo-2-cyanopyridin-3-yl)acetate or an agriculturally acceptable salt; and at least one acceptable carrier.
24. The composition of any one of claims 1 to 23, further comprising at least one crop protection agent.
25. The composition of claim 24, wherein the at least one crop protection agent is selected from the group consisting of fungicide, insecticide, herbicide, and plant growth regulator.
26. The agricultural composition of claim 24, wherein the crop protection agent is herbicide.
27. The agricultural composition of claim 24, wherein the at least one crop protection agent is selected from the group consisting of atrazine, terbuthylazine, (S)-metolachlor, metolachlor, terbutryn, simazine, dimethenamid, (S)-dimethenamid, flufenacet, acetochlor, alachlor, isoxaflutole, isoxachlortole, mesotrione, sulcotrione, metosulam, flumetsulam, pendimethalin, bromoxynil, bentazone, carfentrazone-ethyl, clomazone, nicosulfuron, rimsulfuron, halosulfuron-methyl, metribuzin, flumiclorac-pentyl, prosulfuron, primisulfuron-methyl, dicamba, fluthiacet-methyl, pyridate, 2,4-D, clopyralide, diflufenzopyr, fluroxypyr, MCPA, MCPB, mecoprop (MCPP), metobenzuron, thifensulfuron-methyl, aclonifen, EPTC, glyphosate, glufosinate, sulfosate, cyanazine, propaquizafop, metamitron, pyramin, phenmedipham, desmedipham, ethofumesate, triasulfuron, chloridazon, lenacil, triallate, fluazifop, sethoxydim, quizalofop, clopyralide, clethodim, oxasulfuron, acifluorfen, benazolin-ethyl, sulfentrazone, chlorimuron-ethyl, cloransulam-methyl, fomesafen, imazamox, imazaquin, imazethapyr, imazapyr, lactofen, fenoxaprop(P-ethyl), thidiazuron, tribufos, trifluralin, dimethachlor, napropamide, quinmerac, metazachlor, carbetamide, dimefuron, propyzamide, ethametsulfuron-methyl, tebutam, fluometuron, prometryn, norflurazon, pyrithiobac-sodium, MSMA, DSMA, diuron, flurochloridone, dithiopyr, thiazopyr, oxyfluorfen, ethalfluralin, clodinafop, amidosulfuron, diclofop-methyl, diflufenican, ethoxysulfuron, fentrazamide, flazasulfuron, florasulam, fluazolate, flucarbazone, flupyrsulfuron-methyl sodium, flurtamone, iodosulfuron, isoproturon, chlortoluron, chlorsulfuron, metsulfuron-methyl, sulfosulfuron, tribenuron-methyl, 2,4-DB, 2,4-DP, bifenox, flamprop-M, imazamethabenz-methyl, ioxynil, tralkoxydim, fluoroglycofen-ethyl, methabenzthiazuron, isoxaben, prosulfocarb, difenzoquat-metilsulfate, pretilachlor, cinosulfuron, fenclorim, bensulfuron-methyl, imazosulfuron, pyrazosulfuron-ethyl, azimsulfuron, esprocarb, mefenacet, molinate, propanil, pyrazolate, cyhalofop-butyl, bispyribac-sodium, pyriminobac-methyl, cafenstrole, oxadiargyl, oxadiazon, bromobutide, MY-100, dymron, NB 061, MK243, HW-52, AC 014, ametryn, hexazinone, asulam, azafenidin, tebuthiuron, ethametsulfuron-methyl, or a combination thereof.
28. The composition of anyone of claims 1 to 27, wherein said composition is formulated for drench application, soil application or foliar application.
29. A method of controlling undesired plant growth comprising applying to the locus of said undesired plant growth the agricultural composition of any one of claims 1 to 28.
30. A method of controlling undesired plant growth, comprising applying to the locus of the undesired plant growth a herbicidally effective amount of a compound having the structure or a salt thereof, wherein: A is cyclopentadiene, benzene and indene scaffold comprising from 1 to 4 heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SOR, -CX, CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, -F, -Cl, -Br, and -I; and wherein X is selected from F, Cl, Br and I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from F, Cl, Br and I; and, Z is -COOH, -COO-, -OH, -O-R, COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n≥1); -O-(CHMeCHO)nR (n≥1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group.
31. The method of claim 30, wherein Z is selected from
32. The method of any one of claims 29 to 31, further comprising applying to the locus of the undesired plant growth at least one crop protection agent.
33. The method of claim 32, wherein the crop protection agent is selected from the group consisting of herbicides, fungicides, insecticides and plant growth regulators.
34. The method of claim 32, wherein the crop protection agent is herbicide.
35. The method of claim 32, wherein the crop protection agent is amino acid synthesis inhibitor herbicide.
36. The method of claim 35, wherein the amino acid synthesis inhibitor herbicide is selected form the group consisting of sulfonylurea herbicide, imidazolinone herbicide, sulfonamide herbicide and amino acid derivatives, imazamox, imazapic, imazethapyr, imazaquin, imazapyr, imazamethabenz, Chlorimuron, Primisulfuron, Thifensulfuron, Triasulfuron, Nicosulfuron, Metsulfuron, Tribenuron, Rimsulfuron, glyphosate, or a combination thereof.
37. The method of claim 33, wherein the crop protection agent is a plant growth regulator.
38. The method of claim 37, wherein the plant growth regulator is selected from the group consisting of dicamba, 2,4-D, clopyralid and fluroxypyr.
39. The method of any one of claims 29 to 38, wherein the locus of the undesired plant growth is a field of a crop.
40. The method of claims 39, wherein the crop is selected from the group consisting of soybean, corn (Zea), wheat (Triticum), rye (Secale), barley (Hordeum), oat (Avena), rice (Oryza), millet (Pennisetum), sorghum (Sorghum), and triticale.
41. The method of any one of claims 29 to 40, wherein the application is selected from a drench application, a soil application and a foliar application.
42. A method of controlling undesired plant growth comprising applying to the locus of the undesired plant growth: a. A first herbicide having the structure 1 or a salt thereof, wherein: A is cyclopentadiene, benzene and indene scaffold comprising from 1 to heteroatoms; wherein each of the heteroatoms is independently selected from the group consisting of N, S, Se, and O; and wherein one or more of the carbon atoms of the ring are optionally chemically attached to at least one of the groups consisting of: -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR-COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, -Cl, -Br, and -I; and wherein X is selected from F, Cl, Br and I; n is 0 to 5; T is unsubstituted or substituted methylene group with one or two halides, -SOCF, -O-SOCF, -NR+, -SOR, -CX, -CXR, -COX, -CHO, -COR, -COR, -CONH, -CONHR, -CONR, -F, -N=O, -N≡N+, -N=NR, -CR=NR, -N=CR, and wherein X is selected from F, Cl, Br and I; and, Z is -COOH, COO-, -OH, -O-R,-COOR with saturated or non-saturated alcohol residues with straight, branched, cyclic, aromatic or heteroaromatic chain; -O-(CHCHO)nR (n≥1); -O-(CHMeCHO)nR (n≥1); substituted or unsubstituted phosphate group, sulfonyl group, carbamoyl group, primary amine, secondary amine, tertiary amine, carboxamide, -NR-O-R, -O-NR, hydrazine, -NH-COR, and methanimidamide moiety or a salt thereof; wherein R is selected from H, substituted or non-substituted alkyl, and substituted or non-substituted aryl group. 1 b. A second herbicide, to effectively control the undesired plant growth.
43. The method of claim 42, wherein the second herbicide is amino acid synthesis inhibitor herbicide.
44. The method of claim 43, wherein the second herbicide is selected from the group consisting of imazamox, imazapic, imazethapyr, imazaquin, imazapyr, imazamethabenz, Chlorimuron, Primisulfuron, Thifensulfuron, Triasulfuron, Nicosulfuron, Metsulfuron, Tribenuron, Rimsulfuron, Triflusulfuron, Glyphosate, atrazine, terbuthylazine, (S)-metolachlor, metolachlor, terbutryn, simazine, dimethenamid, (S)-dimethenamid, flufenacet, acetochlor, alachlor, isoxaflutole, isoxachlortole, mesotrione, sulcotrione, metosulam, flumetsulam, pendimethalin, bromoxynil, bentazone, carfentrazone-ethyl, clomazone, nicosulfuron, rimsulfuron, halosulfuron-methyl, metribuzin, flumiclorac-pentyl, prosulfuron, primisulfuron-methyl, dicamba, fluthiacet-methyl, pyridate, 2,4-D, clopyralide, diflufenzopyr, fluroxypyr, MCPA, MCPB, mecoprop (MCPP), metobenzuron, thifensulfuron-methyl, aclonifen, EPTC, glyphosate, glufosinate, sulfosate, cyanazine, propaquizafop, metamitron, pyramin, phenmedipham, desmedipham, ethofumesate, triasulfuron, chloridazon, lenacil, triallate, fluazifop, sethoxydim, quizalofop, clopyralide, clethodim, oxasulfuron, acifluorfen, benazolin-ethyl, sulfentrazone, chlorimuron-ethyl, cloransulam-methyl, fomesafen, imazamox, imazaquin, imazethapyr, imazapyr, lactofen, fenoxaprop(P-ethyl), thidiazuron, tribufos, trifluralin, dimethachlor, napropamide, quinmerac, metazachlor, carbetamide, dimefuron, propyzamide, ethametsulfuron-methyl, tebutam, fluometuron, prometryn, norflurazon, pyrithiobac-sodium, MSMA, DSMA, diuron, flurochloridone, dithiopyr, thiazopyr, oxyfluorfen, ethalfluralin, clodinafop, amidosulfuron, diclofop-methyl, diflufenican, ethoxysulfuron, fentrazamide, flazasulfuron, florasulam, fluazolate, flucarbazone, flupyrsulfuron-methyl sodium, flurtamone, iodosulfuron, isoproturon, chlortoluron, chlorsulfuron, metsulfuron-methyl, sulfosulfuron, tribenuron-methyl, 2,4-DB, 2,4-DP, bifenox, flamprop-M, imazamethabenz-methyl, ioxynil, tralkoxydim, fluoroglycofen-ethyl, methabenzthiazuron, isoxaben, prosulfocarb, difenzoquat-metilsulfate, pretilachlor, cinosulfuron, fenclorim, bensulfuron-methyl, imazosulfuron, pyrazosulfuron-ethyl, azimsulfuron, esprocarb, mefenacet, molinate, propanil, pyrazolate, cyhalofop-butyl, bispyribac-sodium, pyriminobac-methyl, cafenstrole, oxadiargyl, oxadiazon, 1 bromobutide, MY-100, dymron, NB 061, MK243, HW-52, AC 014, ametryn, hexazinone, asulam, azafenidin, tebuthiuron, and ethametsulfuron-methyl.
45. A method of selectively controlling undesired vegetation, comprising applying to a locus of the undesired vegetation and agricultural composition of any one of claims 1 to 28, wherein the locus of the undesired vegetation is a field of a crop.
46. The method of claim 45, wherein the crop is cereal.
47. The method of claim 45 or 46, wherein the crop is selected from the group consisting of soybean, corn (Zea), wheat (Triticum), rye (Secale), barley (Hordeum), oat (Avena), rice (Oryza), millet (Pennisetum), sorghum (Sorghum), and triticale.
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