WO2022077989A1 - L-草铵膦的制备方法 - Google Patents
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- WO2022077989A1 WO2022077989A1 PCT/CN2021/107238 CN2021107238W WO2022077989A1 WO 2022077989 A1 WO2022077989 A1 WO 2022077989A1 CN 2021107238 W CN2021107238 W CN 2021107238W WO 2022077989 A1 WO2022077989 A1 WO 2022077989A1
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- 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
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
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- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
- C07F9/301—Acyclic saturated acids which can have further substituents on alkyl
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- 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
- C07F9/46—Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives thereof
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- 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
- C07F9/48—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof
- C07F9/4883—Amides or esteramides thereof, e.g. RP(NR'2)2 or RP(XR')(NR''2) (X = O, S)
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- 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
- C07F9/50—Organo-phosphines
- C07F9/5004—Acyclic saturated phosphines
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- 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
- C07F9/535—Organo-phosphoranes
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6581—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6581—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
- C07F9/6584—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms having one phosphorus atom as ring hetero atom
- C07F9/65842—Cyclic amide derivatives of acids of phosphorus, in which one nitrogen atom belongs to the ring
- C07F9/65844—Cyclic amide derivatives of acids of phosphorus, in which one nitrogen atom belongs to the ring the phosphorus atom being part of a five-membered ring which may be condensed with another ring system
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- C07B2200/07—Optical isomers
Definitions
- the present invention relates to a preparation method of L-glufosinate-ammonium.
- Glufosinate is a high-efficiency, broad-spectrum, low-toxicity, non-selective (biocidal) organophosphorus herbicide with partial systemic action developed by Hearst Corporation in the 1980s. Can be used to control annual and perennial dicotyledonous and grass weeds.
- Glufosinate-ammonium has two enantiomers, L-type and D-type. The L-type glufosinate is glufosinate-ammonium, and its herbicidal activity is twice that of the racemic DL-type glufosinate.
- the existing preparation method has complicated process and high cost, so it is necessary to find a low-cost preparation method of L-glufosinate-ammonium.
- the invention provides a kind of preparation method of L-Glufosinate-ammonium (I), described method comprises the following steps:
- X is halogen
- Y is -OR 1 or -N(R 2 )(R 3 );
- R 1 , R 2 and R 3 are each independently a substituted or unsubstituted alkyl group having 1-6 carbon atoms, a substituted or unsubstituted alkenyl group having 1-6 carbon atoms (preferably 2-6 carbon atoms) substituted or unsubstituted alkenyl groups of atoms), substituted or unsubstituted alkynyl groups having 1-6 carbon atoms (preferably substituted or unsubstituted alkynyl groups having 2-6 carbon atoms), having 3-10 carbon atoms atomic substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl with 6-20 carbon atoms, or substituted or unsubstituted heteroaryl with 2-10 carbon atoms, or -Si(R 4 )( R5 ) (R6);
- R 4 , R 5 and R 6 are each independently a substituted or unsubstituted alkyl group having 1-6 carbon atoms or a substituted or unsubstituted aryl group having 6-20 carbon atoms;
- the substituents of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl and heteroaryl groups are each independently halogen, carboxyl (-COOH), amino (-NH 2 ), nitro (-NO 2 ) , cyano (-CN), alkyl having 1-6 carbon atoms, aryl having 6-10 carbon atoms or cycloalkyl having 3-10 carbon atoms.
- step a) includes the following step c):
- the compound of formula (V) is prepared by reacting a compound of formula (II) with a compound of formula (IV),
- Hal is halogen
- R 7 is hydrogen, substituted or unsubstituted alkyl having 1 to 6 carbon atoms, substituted or unsubstituted alkenyl having 1 to 6 carbon atoms (preferably substituted or unsubstituted 2 to 6 carbon atoms) alkenyl), or a substituted or unsubstituted alkynyl group having 1 to 6 carbon atoms (preferably a substituted or unsubstituted alkynyl group of 2 to 6 carbon atoms), the substitution of the alkyl, alkenyl and alkynyl groups
- the radicals are each independently halogen, carboxyl, amino, nitro, cyano, alkyl having 1-6 carbon atoms, aryl having 6-10 carbon atoms or cycloalkyl having 3-10 carbon atoms .
- step c) the compound of formula (IV) can participate in the reaction by in-situ preparation of the compound of formula (VI) and the compound of formula (VII),
- Hal is halogen and R7 is as defined above.
- step c) the product can be obtained smoothly in any order of feeding. If the compound of formula (II) is put into the compound of formula (IV), the compound of formula (IV) can also be put into the compound of formula (II).
- step c) the reaction can be carried out under solvent-free conditions or in the presence of an organic solvent, and the organic solvent can be selected from chlorobenzene.
- step c) the salt (eg hydrochloride) of the compound of formula (II) can also be successfully reacted.
- step a) includes step d) of converting the compound of formula (V) to the compound of formula (III) after step c).
- Y is -OR 1
- R 1 is methyl, ethyl, propyl (eg n-propyl, isopropyl), butyl (eg n-butyl, isobutyl or tert-butyl), pentyl , hexyl, benzyl, phenyl or naphthyl, preferably ethyl, n-propyl, isopropyl or n-butyl, more preferably ethyl.
- R 7 is methyl, ethyl, propyl, butyl, pentyl or hexyl, preferably ethyl.
- the reaction temperature is -30 to 30°C, such as -10 to 20°C, -10 to 10°C, and a more preferred temperature is -10°C.
- the reaction time may be 0.1 to 20 hours.
- the temperature of the reaction is -30 to 30°C.
- the molar ratio of the compound of formula (II) to the compound of formula (IV) is 1:(0.5-10).
- step c it is carried out in the presence of a base.
- the base in the aforementioned step c) is an organic base or ammonia.
- the organic base is selected from organic amines, pyridine or pyridine derivatives having 1 to 3 substituents connected to one or more carbon atoms of the heterocycle, piperidine or 1 to Piperidine derivatives of 3 substituents attached to one or more carbon atoms of the heterocycle.
- the organic base is selected from triethylamine, piperidine or pyridine.
- the molar ratio of the compound of formula (II) to the compound of formula (IV) is 1:(0.5-10).
- a slight excess of the compound of formula (IV) is advantageous for the yield of the reaction, eg, an excess of 5% to 10%.
- step d) is to convert the compound of formula (V) into the compound of formula (III) at a temperature of 50-150°C.
- the preferred temperature is 60-120°C or 90-100°C.
- the reaction time may be 0.5 to 40 hours.
- Step d) can be carried out in the presence of an organic solvent, such as 1,4-dioxane, acetonitrile, 1,2-dichloroethane, tetrahydrofuran, chlorobenzene, and a more preferred organic solvent is chlorobenzene.
- an organic solvent such as 1,4-dioxane, acetonitrile, 1,2-dichloroethane, tetrahydrofuran, chlorobenzene, and a more preferred organic solvent is chlorobenzene.
- step c) and step d) are performed in one pot, that is, the intermediate compound of formula (V) is not isolated.
- step b) is carried out by hydrolyzing the compound of formula (III) under an acid catalyst.
- the aforementioned acid catalyst is hydrochloric acid, acetic acid or Lewis acid.
- the temperature of the reaction is 20-200°C.
- the preferred temperature is 60-120°C or 90-100°C.
- the ee value of the aforementioned L-glufosinate is greater than 50%.
- the ee value of the aforementioned L-glufosinate is greater than 90%.
- the method of the invention is suitable for the preparation of L-glufosinate, and can obtain L-glufosinate with high optical purity in high yield.
- the present disclosure provides a preparation method of L-glufosinate (I), characterized in that: the method comprises the reaction of preparing L-glufosinate (I) from the compound of formula (III):
- the reaction is carried out by hydrolysis under an acid catalyst, preferably hydrochloric acid, acetic acid or Lewis acid;
- an acid catalyst preferably hydrochloric acid, acetic acid or Lewis acid;
- the reaction is carried out at a temperature of 20-200°C.
- the present disclosure provides compounds of formula (V),
- X is halogen
- Y is -OR 1 or -N(R 2 )(R 3 );
- R 1 , R 2 and R 3 are each independently a substituted or unsubstituted alkyl group having 1-6 carbon atoms, a substituted or unsubstituted alkenyl group having 1-6 carbon atoms (preferably 2-6 carbon atoms) substituted or unsubstituted alkenyl groups of atoms), substituted or unsubstituted alkynyl groups having 1-6 carbon atoms (preferably substituted or unsubstituted alkynyl groups having 2-6 carbon atoms), having 3-10 carbon atoms atomic substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl with 6-20 carbon atoms, or substituted or unsubstituted heteroaryl with 2-10 carbon atoms, or -Si(R 4 )( R5 ) (R6);
- R 4 , R 5 and R 6 are each independently a substituted or unsubstituted alkyl group having 1-6 carbon atoms or a substituted or unsubstituted aryl group having 6-20 carbon atoms;
- R 7 is hydrogen, substituted or unsubstituted alkyl having 1 to 6 carbon atoms, substituted or unsubstituted alkenyl having 1 to 6 carbon atoms (preferably substituted or unsubstituted 2 to 6 carbon atoms) alkenyl), or a substituted or unsubstituted alkynyl group having 1 to 6 carbon atoms (preferably a substituted or unsubstituted alkynyl group of 2 to 6 carbon atoms);
- the substituents of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl and heteroaryl groups are each independently halogen, carboxyl, amino, nitro, cyano, alkyl having 1-6 carbon atoms , an aryl group with 6-10 carbon atoms or a cycloalkyl group with 3-10 carbon atoms;
- the compound of formula (V) is selected from:
- the present disclosure provides compounds of formula (III),
- Y is -OR 1 or -N(R 2 )(R 3 ); provided that Y is not -OEt;
- R 1 , R 2 and R 3 are each independently a substituted or unsubstituted alkyl group having 1-6 carbon atoms, a substituted or unsubstituted alkenyl group having 1-6 carbon atoms (preferably 2-6 carbon atoms) substituted or unsubstituted alkenyl groups of atoms), substituted or unsubstituted alkynyl groups having 1-6 carbon atoms (preferably substituted or unsubstituted alkynyl groups having 2-6 carbon atoms), having 3-10 carbon atoms atomic substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl with 6-20 carbon atoms, or substituted or unsubstituted heteroaryl with 2-10 carbon atoms, or -Si(R 4 )( R5 ) (R6);
- R 4 , R 5 and R 6 are each independently a substituted or unsubstituted alkyl group having 1-6 carbon atoms or a substituted or unsubstituted aryl group having 6-20 carbon atoms;
- the substituents of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl and heteroaryl groups are each independently halogen, carboxyl, amino, nitro, cyano, alkyl having 1-6 carbon atoms , an aryl group with 6-10 carbon atoms or a cycloalkyl group with 3-10 carbon atoms;
- the compound of formula (III) is selected from:
- alkyl is defined as a linear or branched saturated aliphatic hydrocarbon.
- the alkyl group has 1 to 12, eg, 1 to 6, carbon atoms.
- alkyl having 1 to 6 carbon atoms refers to a linear or branched group of 1 to 6 carbon atoms (eg, methyl, ethyl, n-propyl, isopropyl , n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl, neopentyl or n-hexyl), which are optionally separated by 1 or more (such as 1 to 3) Suitable substituents such as halogen substitution (where this group is referred to as " haloalkyl ”) ( eg CH2F , CHF2 , CF3 , CCl3 , C2F
- alkyl having 1 to 4 carbon atoms refers to a linear or branched aliphatic hydrocarbon chain of 1 to 4 carbon atoms (ie, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl or tert-butyl).
- alkenyl means a linear or branched monovalent hydrocarbon group containing one or more double bonds and having 2-6 carbon atoms (“C 2-6 alkenyl”).
- the alkenyl groups are, for example, vinyl, 1-propenyl, 2-propenyl, 2-butenyl, 3-butenyl, 2-pentenyl, 3-pentenyl, 4-pentenyl, 2- - Hexenyl, 3-hexenyl, 4-hexenyl, 5-hexenyl, 2-methyl-2-propenyl and 4-methyl-3-pentenyl.
- the compound of the present invention contains an alkenyl group, the compound may exist in pure E (ent ought) form, pure Z (zusammen) form, or any mixture thereof.
- alkynyl refers to a monovalent hydrocarbon group containing one or more triple bonds, preferably having 2, 3, 4, 5 or 6 carbon atoms, such as ethynyl or propynyl.
- cycloalkyl refers to a saturated monocyclic or polycyclic (such as bicyclic) hydrocarbon ring (eg, monocyclic such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl) , cyclooctyl, cyclononyl, or bicyclic, including spiro, fused, or bridged systems (such as bicyclo[1.1.1]pentyl, bicyclo[2.2.1]heptyl, bicyclo[3.2.1]octyl or bicyclo[5.2.0]nonyl, decalinyl, etc.), which are optionally substituted with 1 or more (such as 1 to 3) suitable substituents.
- monocyclic such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl
- cyclooctyl cyclononyl
- the cycloalkyl group preferably has 3 to 10 Carbon atom.
- C 3-6 cycloalkyl refers to a saturated monocyclic or polycyclic (such as bicyclic) hydrocarbon ring (eg, cyclopropyl, cyclobutyl, cyclopentane) of 3 to 6 ring carbon atoms or cyclohexyl), which is optionally substituted with 1 or more (such as 1 to 3) suitable substituents, eg, methyl substituted cyclopropyl.
- aryl refers to an all carbon monocyclic or fused ring polycyclic aromatic group having a conjugated pi electron system.
- aryl having 6-20 carbon atoms means an aromatic group containing 6 to 20 carbon atoms, such as phenyl or naphthyl.
- the aryl group is optionally substituted with 1 or more (such as 1 to 3) suitable substituents (eg, halogen, -OH, -CN, -NO2 , C1-6 alkyl, etc.).
- heteroaryl refers to a monovalent monocyclic, bicyclic or tricyclic aromatic ring system having 5, 6, 8, 9, 10, 11, 12, 13 or 14 ring atoms, In particular 1 or 2 or 3 or 4 or 5 or 6 or 9 or 10 carbon atoms, and which comprise at least one heteroatom which may be the same or different (the heteroatom being eg oxygen, nitrogen or sulphur) and, in addition, In each case it can be benzo-fused.
- heteroaryl is selected from the group consisting of thienyl, furyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, oxadiazolyl, triazolyl, thiazolyl Diazolyl, etc., and their benzo derivatives; or pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, triazinyl, etc., and their benzo derivatives.
- halogen group is defined to include F, Cl, Br or I.
- substituted means that one or more (eg, one, two, three, or four) hydrogens on the designated atom are replaced by a selection from the designated group, provided that no more than The designated atom has the normal valence in the present case and the substitution forms a stable compound. Combinations of substituents and/or variables are permissible only if such combinations form stable compounds.
- chlorohomoserine alkyl esters in the following examples can be prepared by methods analogous to those disclosed in CN 110845347 A.
- the remaining reagents eg MDP and MDEP are commercially available.
- chlorohomoserine ethyl ester 150g, 867.5mmol, 1.0eq, 96% purity, ee value 99%
- triethylamine 107.5g, 1041mmol, 1.2eq, 98% purity
- reaction solution was heated to 90°C and continued to react for 12h, naturally cooled to room temperature, suction filtered, chlorobenzene (150mL x 3) was used to wash the filter cake, and the filtrate was obtained by rotary evaporation of chlorobenzene to obtain MPO.
- the product structure analysis data are as follows:
- MCP was prepared in the same manner as described in step (1) of Example 1.
- chlorohomoserine butyl ester 178.7g, 867.5mmol, 1.0eq, 94% purity, ee value 99%
- triethylamine 107.5g, 1041mmol, 1.2eq, 98% purity
- reaction solution was heated to 90 ° C and continued to react for 12 h, naturally cooled to room temperature, suction filtered, chlorobenzene (150 mL ⁇ 3) was used to wash the filter cake, and the filtrate was obtained by rotary evaporation of chlorobenzene to obtain MPO-Bu crude product.
- the product structure analysis data are as follows:
- MCP was prepared in the same manner as described in step (1) of Example 1.
- reaction solution was heated to 90 °C and continued to react for 12 h, naturally cooled to room temperature, suction filtered, chlorobenzene (150 mL x 3) was used to wash the filter cake, and the filtrate was obtained by rotary evaporation of chlorobenzene to obtain MPO-iPr.
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Abstract
Description
Claims (21)
- 一种L-草铵膦(I)的制备方法,其特征在于:所述方法包括以下步骤:a)由式(II)化合物制备得到式(III)化合物,b)再由式(III)化合物制备得到L-草铵膦;其中:X为卤素;Y为-OR 1或-N(R 2)(R 3);R 1、R 2和R 3各自独立地为具有1-6个碳原子的取代或未取代的烷基、具有1-6个碳原子的取代或未取代的烯基(优选2-6个碳原子的取代或未取代的烯基)、具有1-6个碳原子的取代或未取代的炔基(优选2-6个碳原子的取代或未取代的炔基),具有3-10个碳原子的取代或未取代的环烷基、具有6-20个碳原子的取代或未取代的芳基、或具有2-10个碳原子的取代或未取代的杂芳基、或-Si(R 4)(R 5)(R 6);R 4、R 5和R 6各自独立地为具有1-6个碳原子的取代或未取代的烷基或具有6-20个碳原子的取代或未取代的芳基;所述烷基、烯基、炔基、环烷基、芳基和杂芳基的取代基各自独立地为卤素、羧基、氨基、硝基、氰基、具有1-6个碳原子的烷基、具有6-10个碳原子的芳基或具有3-10个碳原子的环烷基。
- 根据权利要求2所述的方法,其特征在于:所述步骤a)包括在步骤c)后使式(V)化合物转化为式(III)化合物的步骤d)。
- 根据权利要求1-3任一项所述的方法,其特征在于:所述Y为-OR 1,R 1为甲基、乙基、丙基(例如正丙基、异丙基)、丁基(例如正丁基、异丁基或叔丁基)、戊基、己基、苄基、苯基或萘基,优选乙基、正丙基、异丙基或正丁基,更优选乙基。
- 根据权利要求2-4任一项所述的方法,其特征在于:所述R 7为甲基、乙基、丙基、丁基、戊基或己基,优选乙基。
- 根据权利要求2-5任一项所述的方法,其特征在于:所述步骤c)中,反应的温度为-30~30℃。
- 根据权利要求2-6任一项所述的方法,其特征在于:所述步骤c)中,式(II)化合物与式(IV)化合物的摩尔比为1∶(0.5~10)。
- 根据权利要求2-7任一项所述的方法,其特征在于:所述步骤c)在碱的存在下进行。
- 根据权利要求8所述的方法,其特征在于:所述步骤c)中的碱为有机碱或氨。
- 根据权利要求9所述的方法,其特征在于:所述步骤c)中,有机碱选自有机胺、吡啶或具有1~3个连接到该杂环的一个或多个碳原子上的取代基的吡啶衍生物、哌啶或具有1~3个连接到该杂环的一个或多个碳原子上的取代基的哌啶衍生物。
- 根据权利要求10所述的方法,其特征在于:所述有机碱选自三乙胺、哌啶或吡啶。
- 根据权利要求3-11任一项所述的方法,其特征在于:所述步骤d)是在50~150℃的温度下将式(V)化合物转化为式(III)化合物。
- 根据权利要求3-12任一项所述的方法,其特征在于:所述步骤c)和步骤d)一锅进行。
- 根据权利要求1-13任一项所述的方法,其特征在于:所述步骤b)是通过在酸催化剂下水解式(III)化合物来进行的。
- 根据权利要求14所述的方法,其特征在于:所述酸催化剂为盐酸、乙酸或路易斯酸。
- 根据权利要求1-15任一项所述的方法,其特征在于:所述步骤b)中,反应的温度为20~200℃,优选的温度为60~120℃或90~100℃。
- 根据权利要1-16任一项所述的方法,其特征在于:所述L-草铵膦的ee值大于50%。
- 根据权利要求17所述的方法,其特征在于:所述L-草铵膦的ee值大于90%。
- 式(V)化合物,其中:X为卤素;Y为-OR 1或-N(R 2)(R 3);R 1、R 2和R 3各自独立地为具有1-6个碳原子的取代或未取代的烷基、具有1-6个碳原子的取代或未取代的烯基(优选2-6个碳原子的取代或未取代的烯基)、具有1-6个碳原子的取代或未取代的炔基(优选2-6个碳原子的取代或未取代的炔基),具有3-10个碳原子的取代或未取代的环烷基、具有6-20个碳原子的取代或未取代的芳基、或具有2-10个碳原子的取代或未取代的杂芳基、或-Si(R 4)(R 5)(R 6);R 4、R 5和R 6各自独立地为具有1-6个碳原子的取代或未取代的烷基或具有6-20个碳原子的取代或未取代的芳基;R 7为氢、具有1至6个碳原子的取代或未取代的烷基、具有1至6个碳原子的取代或未取代的烯基(优选2-6个碳原子的取代或未取代的烯基)、或具有1至6个碳原子的取代或未取代的炔基(优选2-6个碳原子的取代或未取代的炔基);所述烷基、烯基、炔基、环烷基、芳基和杂芳基的取代基各自独立地为卤素、羧基、氨基、硝基、氰基、具有1-6个碳原子的烷基、具有6-10个碳原子的芳基或具有3-10个碳原子的环烷基;优选地,所述式(V)化合物选自:
- 式(III)化合物,其中:Y为-OR 1或-N(R 2)(R 3);条件是Y不是-OEt;R 1、R 2和R 3各自独立地为具有1-6个碳原子的取代或未取代的烷基、具有1-6个碳原子的取代或未取代的烯基(优选2-6个碳原子的取代或未取代的烯基)、具有1-6个碳原子的取代或未取代的炔基(优选2-6个碳原子的取代或未取代的炔基),具有3-10个碳原子的取代或未取代的环烷基、具有6-20个碳原子的取代或未取代的芳基、或具有2-10个碳原子的取代或未取代的杂芳基、或-Si(R 4)(R 5)(R 6);R 4、R 5和R 6各自独立地为具有1-6个碳原子的取代或未取代的烷基或具有6-20个碳原子的取代或未取代的芳基;所述烷基、烯基、炔基、环烷基、芳基和杂芳基的取代基各自独立地为卤素、羧基、氨基、硝基、氰基、具有1-6个碳原子的烷基、具有6-10个碳原子的芳基或具有3-10个碳原子的环烷基;优选地,所述式(III)化合物选自:
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| BR112022012512-7A BR112022012512B1 (pt) | 2020-10-14 | 2021-07-20 | Métodos para a preparação de l-glufosinato e seus intermediários |
| CA3163462A CA3163462C (en) | 2020-10-14 | 2021-07-20 | Method for preparing l-glufosinate |
| CN202410675691.9A CN118652271A (zh) | 2020-10-14 | 2021-07-20 | L-草铵膦的制备方法 |
| IL294193A IL294193B2 (en) | 2020-10-14 | 2021-07-20 | A method for preparing L-glufosinate |
| PL21879036.8T PL4063374T3 (pl) | 2020-10-14 | 2021-07-20 | Sposób wytwarzania l-glufosynatu |
| EP21879036.8A EP4063374B1 (en) | 2020-10-14 | 2021-07-20 | Method for preparing l-glufosinate |
| CN202180005915.XA CN114650997B (zh) | 2020-10-14 | 2021-07-20 | L-草铵膦的制备方法 |
| JP2022544805A JP7404598B2 (ja) | 2020-10-14 | 2021-07-20 | L-グルホシネートの製造方法 |
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| AU2021360429A AU2021360429B2 (en) | 2020-10-14 | 2021-07-20 | Method for preparing L-glufosinate |
| ES21879036T ES2985840T3 (es) | 2020-10-14 | 2021-07-20 | Método para preparar l-glufosinato |
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| US18/299,605 US20230399348A1 (en) | 2020-10-14 | 2023-04-12 | Method for Preparing L-Glufosinate |
| ZA2023/05214A ZA202305214B (en) | 2020-10-14 | 2023-05-11 | Method for preparing l-glufosinate |
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| WO2024146621A1 (zh) * | 2023-01-06 | 2024-07-11 | 利尔化学股份有限公司 | 草铵膦或其衍生物的制备方法 |
| CN118401536A (zh) * | 2022-12-02 | 2024-07-26 | 利尔化学股份有限公司 | 草铵膦或其衍生物的制备方法 |
| RU2844557C2 (ru) * | 2022-11-17 | 2025-08-04 | Юннун Биосайенсиз Ко., Лтд. | Способы получения глюфосината |
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| EP4371992B1 (en) * | 2022-11-17 | 2025-07-02 | YongNong BioSciences Co., Ltd | Methods of preparing glufosinate |
| CN120209025A (zh) * | 2024-05-28 | 2025-06-27 | 利尔化学股份有限公司 | 草铵膦或其衍生物的制备方法 |
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| WO2024146621A1 (zh) * | 2023-01-06 | 2024-07-11 | 利尔化学股份有限公司 | 草铵膦或其衍生物的制备方法 |
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| BR112022012512A2 (pt) | 2023-03-28 |
| AU2021360429B2 (en) | 2022-12-01 |
| CN114650997A (zh) | 2022-06-21 |
| TW202224561A (zh) | 2022-07-01 |
| HUE068195T2 (hu) | 2024-12-28 |
| ES2985840T3 (es) | 2024-11-07 |
| CN114650997B (zh) | 2024-04-26 |
| CA3163462C (en) | 2023-02-28 |
| US20230399348A1 (en) | 2023-12-14 |
| CA3163462A1 (en) | 2022-04-21 |
| EP4063374C0 (en) | 2024-07-17 |
| IL294193A (en) | 2022-08-01 |
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| US11655265B2 (en) | 2023-05-23 |
| EP4063374A4 (en) | 2023-09-27 |
| ZA202305214B (en) | 2024-09-25 |
| TWI804006B (zh) | 2023-06-01 |
| AR123779A1 (es) | 2023-01-11 |
| PL4063374T3 (pl) | 2024-09-23 |
| EP4063374B1 (en) | 2024-07-17 |
| US20220324888A1 (en) | 2022-10-13 |
| IL294193B1 (en) | 2023-10-01 |
| JP7404598B2 (ja) | 2023-12-26 |
| JP2023511204A (ja) | 2023-03-16 |
| KR20220098244A (ko) | 2022-07-11 |
| MX2022007888A (es) | 2022-07-19 |
| AU2021360429A1 (en) | 2022-06-23 |
| CN118652271A (zh) | 2024-09-17 |
| EP4063374A1 (en) | 2022-09-28 |
| KR102693943B1 (ko) | 2024-08-08 |
| ZA202403530B (en) | 2025-05-28 |
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