IL79868A0 - New substituted diphenyl ethers,a process for their preparation and their use as herbicides - Google Patents
New substituted diphenyl ethers,a process for their preparation and their use as herbicidesInfo
- Publication number
- IL79868A0 IL79868A0 IL79868A IL7986886A IL79868A0 IL 79868 A0 IL79868 A0 IL 79868A0 IL 79868 A IL79868 A IL 79868A IL 7986886 A IL7986886 A IL 7986886A IL 79868 A0 IL79868 A0 IL 79868A0
- Authority
- IL
- Israel
- Prior art keywords
- herbicides
- preparation
- diphenyl ethers
- new substituted
- substituted diphenyl
- Prior art date
Links
- 235000010290 biphenyl Nutrition 0.000 title 1
- 239000004305 biphenyl Substances 0.000 title 1
- -1 diphenyl ethers Chemical class 0.000 title 1
- 239000004009 herbicide Substances 0.000 title 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/60—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton with the carbon atom of at least one of the carboxyl groups bound to nitrogen atoms
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/48—Nitro-carboxylic acids; Derivatives thereof
-
- 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
- A01N43/08—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 oxygen 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
- A01N43/72—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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing aromatic radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
- C07C205/57—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C205/59—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/22—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D277/24—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/42—Singly bound oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
- C07D307/58—One oxygen atom, e.g. butenolide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D313/00—Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
- C07D313/02—Seven-membered rings
- C07D313/04—Seven-membered rings not condensed with other rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/18—Radicals substituted by singly bound oxygen or sulfur atoms
- C07D317/22—Radicals substituted by singly bound oxygen or sulfur atoms etherified
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/40—Esters thereof
- C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
- C07F9/4006—Esters of acyclic acids which can have further substituents on alkyl
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853531006 DE3531006A1 (de) | 1985-08-30 | 1985-08-30 | Neue substituierte diphenylether, verfahren zu ihrer herstellung und ihre verwendung als herbizide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL79868A0 true IL79868A0 (en) | 1986-11-30 |
Family
ID=6279747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL79868A IL79868A0 (en) | 1985-08-30 | 1986-08-28 | New substituted diphenyl ethers,a process for their preparation and their use as herbicides |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0217101A1 (da) |
| JP (1) | JPS62103045A (da) |
| AU (1) | AU6209386A (da) |
| BR (1) | BR8604148A (da) |
| DD (1) | DD249174A5 (da) |
| DE (1) | DE3531006A1 (da) |
| DK (1) | DK413386A (da) |
| HU (1) | HUT42262A (da) |
| IL (1) | IL79868A0 (da) |
| ZA (1) | ZA866562B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3628317A1 (de) * | 1986-08-21 | 1988-02-25 | Bayer Ag | Phenoxybenzoesaeureester |
| RU2403690C2 (ru) * | 2008-06-04 | 2010-11-10 | Кемов Юрий Викторович | Источник питания газоразрядной лампы |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2967368D1 (en) * | 1979-11-02 | 1985-03-07 | Rohm & Haas | Substituted diphenyl ethers, herbicidal compositions containing them and method of combating weeds |
| DE2950401A1 (de) * | 1979-12-14 | 1981-07-02 | Bayer Ag, 5090 Leverkusen | Phenoxybenzoesaeure-derivate, verfahren zu ihrer herstellung sowie ihre verwendung als herbizide und pflanzenwuchsregulatoren |
| US4395570A (en) * | 1981-11-16 | 1983-07-26 | Rohm And Haas Company | Preparation of 5-(2-halo-4-trifluoromethylphenoxy)-2-nitrobenzoic acid and salts and esters and amides |
| DE3210056A1 (de) * | 1982-03-19 | 1983-09-22 | Bayer Ag, 5090 Leverkusen | Optisch aktive, linksdrehende phenoxybenzoesaeure-derivate, verfahren zu ihrer herstellung und ihre verwendung als herbizide |
-
1985
- 1985-08-30 DE DE19853531006 patent/DE3531006A1/de not_active Withdrawn
-
1986
- 1986-08-21 EP EP86111563A patent/EP0217101A1/de not_active Withdrawn
- 1986-08-28 DD DD86293935A patent/DD249174A5/de unknown
- 1986-08-28 IL IL79868A patent/IL79868A0/xx unknown
- 1986-08-29 JP JP61201930A patent/JPS62103045A/ja active Pending
- 1986-08-29 HU HU863750A patent/HUT42262A/hu unknown
- 1986-08-29 ZA ZA866562A patent/ZA866562B/xx unknown
- 1986-08-29 BR BR8604148A patent/BR8604148A/pt unknown
- 1986-08-29 AU AU62093/86A patent/AU6209386A/en not_active Abandoned
- 1986-08-29 DK DK413386A patent/DK413386A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0217101A1 (de) | 1987-04-08 |
| JPS62103045A (ja) | 1987-05-13 |
| BR8604148A (pt) | 1987-04-28 |
| HUT42262A (en) | 1987-07-28 |
| DD249174A5 (de) | 1987-09-02 |
| DE3531006A1 (de) | 1987-03-12 |
| AU6209386A (en) | 1987-03-05 |
| ZA866562B (en) | 1987-04-29 |
| DK413386A (da) | 1987-03-01 |
| DK413386D0 (da) | 1986-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU578703B2 (en) | Dialkoxypyridines, process for their preparation, their use and medicaments containing them | |
| ZA83726B (en) | Fibrinogen formulations,a process for its preparation and its use | |
| AU589159B2 (en) | New oligopeptidylargininol derivatives and their homologs, a process for their preparation, their use and agents containing them | |
| ZA862075B (en) | New iodopropargyl ethers,a process for their preparation and their use | |
| AR243877A1 (es) | Procedimiento para la preparacion de derivados de 8,13-epoxi-9alfa-hidroxi-1alfa lad-14-en-11-ona e intermediarios para uso en dicho procedimiento. | |
| ZA854287B (en) | Dialkoxypyridines,process for their preparation,their use and medicaments containing them | |
| AU1446688A (en) | New 2-acylpyrrolidine derivatives, a process for the preparation thereof, agents containing them, and their use | |
| EP0255601A3 (en) | Dialkylnaleinimides, process for their preparation and their use as herbicide | |
| IL76371A0 (en) | Diphenyl ether imine derivatives,their preparation and their use as herbicides | |
| AU8246087A (en) | Substituted aminopropionamides, a process for their preparation, agents containing them, and their use, and new intermediates produced in the preparation | |
| IL76306A (en) | Oximino diphenyl ether derivatives,their preparation and their use as herbicides | |
| ZA831778B (en) | Phenoxypropyltriazolyl-ketones and-carbinols,a process for their preparation,and their use as fungicides | |
| ZA866562B (en) | New substituted diphenyl ethers,a process for their preparation and their use as herbicides | |
| IL64907A (en) | Pyrrolobenzodiazepinones,a process for their preparation,their use,and medicaments containing them | |
| ZA856775B (en) | Histargin-related compounds,a process for their preparation and their use as medicaments | |
| ZA867290B (en) | New imidazolinyl derivatives,processes for their preparation and their use as herbicides | |
| ZA866906B (en) | New bicyclic catechol derivatives,a preparation process thereof,and therapeutical compositions containing the same | |
| ZA825239B (en) | Oxothienobenzoxepins,a method for their preparation and their use as medicaments | |
| ZA827368B (en) | Substituted 6-phenoxypyrid-2-ylmethyl-vinylcyclopropanecarboxylates,a process for their preparation,and their use as pest-combating agents | |
| ZA866444B (en) | Spergualin-related compounds,a process for their preparation and their use as medicaments | |
| IL68162A0 (en) | Phenoxybenzoic acid derivatives,containing a sulfonimide group,their preparation and their use as herbicides | |
| IL67264A0 (en) | Diphenyl ethers,their preparation and their use as herbicides | |
| IL74555A0 (en) | Carboxyalkyldipeptides,a process for their preparation,agents containing them,and their use | |
| ZA831004B (en) | Methyl-substituted tetrahydro-2-pyrimidinone derivatives,a process for their preparation and their use as herbicides and new intermediate products for their preparation | |
| IL67210A0 (en) | Carbamoyl-oximes,processes for their preparation and their use as herbicides |