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WO2010023679A3 - Preparation of triclopyr, its intermediate and butoxyethyl ester - Google Patents

Preparation of triclopyr, its intermediate and butoxyethyl ester Download PDF

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Publication number
WO2010023679A3
WO2010023679A3 PCT/IN2008/000830 IN2008000830W WO2010023679A3 WO 2010023679 A3 WO2010023679 A3 WO 2010023679A3 IN 2008000830 W IN2008000830 W IN 2008000830W WO 2010023679 A3 WO2010023679 A3 WO 2010023679A3
Authority
WO
WIPO (PCT)
Prior art keywords
triclopyr
butoxyethyl
preparation
butoxyethyl ester
prepared
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/IN2008/000830
Other languages
French (fr)
Other versions
WO2010023679A2 (en
Inventor
Dipesh Kantisen Shroff
Ashwin Champraj Shroff
Samir Pradip Dave
Ashok Kundanmal Jain
Rajendra Pralhad Chaudhari
Kaushik Ratilal Joshi
Prashant Nanubhai Shihora
Jaywant Govind Hatim
Bhakti Rajesh Thakkar
Ashit Pradip Dave
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AIMCO PESTICIDES Ltd
C C SHROFF RESEARCH INSTITUTE
Excel Crop Care Ltd
CC Shroff Research Institute
Original Assignee
AIMCO PESTICIDES Ltd
C C SHROFF RESEARCH INSTITUTE
Excel Crop Care Ltd
CC Shroff Research Institute
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 AIMCO PESTICIDES Ltd, C C SHROFF RESEARCH INSTITUTE, Excel Crop Care Ltd, CC Shroff Research Institute filed Critical AIMCO PESTICIDES Ltd
Publication of WO2010023679A2 publication Critical patent/WO2010023679A2/en
Anticipated expiration legal-status Critical
Publication of WO2010023679A3 publication Critical patent/WO2010023679A3/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C07D213/60—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 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
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

This invention relates to process for preparation of Triclopyr, Triclopyr- butoxyethyl ester & its intermediate viz. 2-butoxyethyl chloroacetate. Triclopyr is prepared by hydrolysis of its alkyl esters. Triclopyr- butoxyethyl ester is prepared by reaction of triclopyr and 2-butoxyethanol in presence of a catalyst. Triclopyr-butoxyethyl ester is also prepared by transesterification from alkyl esters of Triclopyr. 2-butoxyethyl chloroacetate is prepared by reaction of chloroacetic acid and 2-butoxyethanol in presence of a catalyst.
PCT/IN2008/000830 2008-09-01 2008-12-10 Preparation of triclopyr, its intermediate and butoxyethyl ester Ceased WO2010023679A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1843/MUM/2008 2008-09-01
IN1843MU2008 2008-09-01

Publications (2)

Publication Number Publication Date
WO2010023679A2 WO2010023679A2 (en) 2010-03-04
WO2010023679A3 true WO2010023679A3 (en) 2011-04-21

Family

ID=41722044

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2008/000830 Ceased WO2010023679A2 (en) 2008-09-01 2008-12-10 Preparation of triclopyr, its intermediate and butoxyethyl ester

Country Status (1)

Country Link
WO (1) WO2010023679A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109232401A (en) * 2018-11-13 2019-01-18 湖南比德生化科技股份有限公司 A kind of method of trichlopyr ester distillation residual liquid recycling treatment

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102295597B (en) * 2011-07-13 2014-01-29 迈克斯(如东)化工有限公司 Preparation method of triclopyr butoxyethyl ester
CN105566211A (en) * 2016-02-18 2016-05-11 江苏丰山集团股份有限公司 Triclopyr production method
CN107325044A (en) * 2017-07-08 2017-11-07 杨子辉 A kind of preparation method of herbicide triclopyr butoxyethyl ester
CN109180570A (en) * 2018-06-29 2019-01-11 湖北犇星农化有限责任公司 A kind of preparation method of trichlopyr fourth 2-ethoxyethyl acetate
WO2023156905A1 (en) * 2022-02-18 2023-08-24 Gharda Chemicals Limited A process for the preparation of triclopyr-butotyl
CN119684205A (en) * 2024-12-27 2025-03-25 浙江埃森化学有限公司 A kind of synthesis method of triclopyr butoxyethyl ester

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326882A (en) * 1978-08-28 1982-04-27 Ppg Industries, Inc. Trichlorophenoxy alkanoic acid free of chlorinated dibenzo-p-dioxins
US4487933A (en) * 1981-12-14 1984-12-11 The Dow Chemical Company Titanium catalyzed transesterification
US4701531A (en) * 1986-12-01 1987-10-20 The Dow Chemical Company Catalyzed alkylation of halopyridinates in the absence of added organic solvents
JPH0543511A (en) * 1991-08-07 1993-02-23 Sanyo Chem Ind Ltd Production of alkyldicarboxylic acid diaryl ester
US5214150A (en) * 1990-02-09 1993-05-25 Dowelanco Preparation of higher alkylesters of carboxylic acids
WO1997049663A1 (en) * 1996-06-27 1997-12-31 Henkel Corporation Esterification of phenols

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326882A (en) * 1978-08-28 1982-04-27 Ppg Industries, Inc. Trichlorophenoxy alkanoic acid free of chlorinated dibenzo-p-dioxins
US4487933A (en) * 1981-12-14 1984-12-11 The Dow Chemical Company Titanium catalyzed transesterification
US4701531A (en) * 1986-12-01 1987-10-20 The Dow Chemical Company Catalyzed alkylation of halopyridinates in the absence of added organic solvents
US5214150A (en) * 1990-02-09 1993-05-25 Dowelanco Preparation of higher alkylesters of carboxylic acids
JPH0543511A (en) * 1991-08-07 1993-02-23 Sanyo Chem Ind Ltd Production of alkyldicarboxylic acid diaryl ester
WO1997049663A1 (en) * 1996-06-27 1997-12-31 Henkel Corporation Esterification of phenols

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109232401A (en) * 2018-11-13 2019-01-18 湖南比德生化科技股份有限公司 A kind of method of trichlopyr ester distillation residual liquid recycling treatment

Also Published As

Publication number Publication date
WO2010023679A2 (en) 2010-03-04

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