CA2879530C - Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates - Google Patents

Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates Download PDF

Info

Publication number
CA2879530C
CA2879530C CA2879530A CA2879530A CA2879530C CA 2879530 C CA2879530 C CA 2879530C CA 2879530 A CA2879530 A CA 2879530A CA 2879530 A CA2879530 A CA 2879530A CA 2879530 C CA2879530 C CA 2879530C
Authority
CA
Canada
Prior art keywords
compound
formula
alkyl
transformation
source
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.)
Active
Application number
CA2879530A
Other languages
English (en)
French (fr)
Other versions
CA2879530A1 (en
Inventor
James M. Renga
Yang Cheng
Joseck M. Muhuhi
David E. Podhorez
Gary A. Roth
Scott P. West
Gregory T. Whiteker
Yuanming Zhu
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.)
Corteva Agriscience LLC
Original Assignee
Dow AgroSciences LLC
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 Dow AgroSciences LLC filed Critical Dow AgroSciences LLC
Publication of CA2879530A1 publication Critical patent/CA2879530A1/en
Application granted granted Critical
Publication of CA2879530C publication Critical patent/CA2879530C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic 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
    • C07D213/02Heterocyclic 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
    • C07D213/04Heterocyclic 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
    • C07D213/60Heterocyclic 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
    • C07D213/78Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79Acids; Esters
    • C07D213/803Processes of preparation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA2879530A 2012-07-24 2013-07-23 Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates Active CA2879530C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261675235P 2012-07-24 2012-07-24
US61/675,235 2012-07-24
PCT/US2013/051623 WO2014018502A1 (en) 2012-07-24 2013-07-23 Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates

Publications (2)

Publication Number Publication Date
CA2879530A1 CA2879530A1 (en) 2014-01-30
CA2879530C true CA2879530C (en) 2019-06-18

Family

ID=48901197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2879530A Active CA2879530C (en) 2012-07-24 2013-07-23 Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates

Country Status (20)

Country Link
US (1) US8871943B2 (enExample)
EP (1) EP2877453B1 (enExample)
JP (1) JP6046817B2 (enExample)
KR (1) KR101946681B1 (enExample)
CN (1) CN104640844B (enExample)
AR (1) AR091856A1 (enExample)
AU (1) AU2013293200B2 (enExample)
BR (1) BR112015001615B8 (enExample)
CA (1) CA2879530C (enExample)
CO (1) CO7200265A2 (enExample)
IL (1) IL236816A (enExample)
IN (1) IN2015DN00821A (enExample)
MX (1) MX351886B (enExample)
NZ (1) NZ704103A (enExample)
PL (1) PL2877453T3 (enExample)
RU (1) RU2632203C2 (enExample)
TW (1) TWI577663B (enExample)
UY (1) UY34946A (enExample)
WO (1) WO2014018502A1 (enExample)
ZA (1) ZA201500701B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR092355A1 (es) * 2012-07-24 2015-04-15 Dow Agrosciences Llc Fluoruros de fluoropicolinoilo y procesos para su preparacion
US8764316B1 (en) 2013-05-23 2014-07-01 Corning Cable Systems Llc Fiber optic connector with vented ferrule holder
TW201609651A (zh) 2013-11-12 2016-03-16 陶氏農業科學公司 用於氟化化合物之過程(一)
BR102014028164A2 (pt) * 2013-11-12 2015-09-08 Dow Agrosciences Llc processo para fluoração de compostos
TW201609652A (zh) 2013-11-12 2016-03-16 陶氏農業科學公司 用於氟化化合物之過程(三)
TWI726900B (zh) 2015-08-04 2021-05-11 美商陶氏農業科學公司 用於氟化化合物之過程
CA3012167A1 (en) * 2016-01-22 2017-07-27 Dow Agrosciences Llc Process for the preparation of 4-alkoxy-3-acetoxypicolinic acids
BR112018073348B8 (pt) * 2016-05-19 2023-05-16 Dow Agrosciences Llc Métodos para preparar 6-aril-4-aminopicolinatos e 2-aril-6-aminopirimidina-4-carboxilatos por acoplamento direto de suzuki
EP3555049A4 (en) * 2016-12-13 2020-04-29 Dow AgroSciences LLC Method of preparing benzy 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl)picolinate
EP3853205A1 (en) * 2018-09-19 2021-07-28 Corteva Agriscience LLC Preparation of halogen analogs of picloram
BR112022018508A2 (pt) * 2020-03-18 2022-10-25 Corteva Agriscience Llc Síntese melhorada de 4-amino-6-(heterocíclico)picolinatos
CN114702440B (zh) * 2022-04-26 2024-06-18 永农生物科学有限公司 一种氨氯吡啶酸的制备方法及制备的氨氯吡啶酸

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2520254B2 (ja) * 1987-04-28 1996-07-31 イハラケミカル工業株式会社 3,4,5−トリフルオロ安息香酸誘導体およびその製造方法
US4847442A (en) * 1988-07-18 1989-07-11 Allied-Signal Inc. Process for the preparation of difluorobenzenes
US6297197B1 (en) 2000-01-14 2001-10-02 Dow Agrosciences Llc 4-aminopicolinates and their use as herbicides
AR037228A1 (es) 2001-07-30 2004-11-03 Dow Agrosciences Llc Compuestos del acido 6-(aril o heteroaril)-4-aminopicolinico, composicion herbicida que los comprende y metodo para controlar vegetacion no deseada
AU2003238390A1 (en) * 2002-06-04 2003-12-19 Clariant Gmbh Method for producing a compound containing fluorine via fluorine-halogen exchange by special polyamino phosphazene catalysts
UA82358C2 (uk) * 2003-04-02 2008-04-10 Дау Агросайенсиз Ллс 6-алкіл або алкеніл-4-амінопіколінати гербіцидна композиція, спосіб боротьби з небажаною рослинністю
AR059010A1 (es) 2006-01-13 2008-03-05 Dow Agrosciences Llc 6-( aril polisustituido )-4- aminopicolinatos y su uso como herbicidas
TWI529163B (zh) 2011-01-25 2016-04-11 陶氏農業科學公司 用於製備4-胺基-5-氟-3-鹵素-6-(經取代之)吡啶甲酸酯的方法
TWI537252B (zh) 2011-01-25 2016-06-11 陶氏農業科學公司 用於製備4-胺基-5-氟-3-鹵素-6-(經取代之)吡啶甲酸酯的方法(一)

Also Published As

Publication number Publication date
AR091856A1 (es) 2015-03-04
BR112015001615B1 (pt) 2019-10-22
PL2877453T3 (pl) 2017-08-31
KR101946681B1 (ko) 2019-02-11
MX351886B (es) 2017-11-01
US20140031556A1 (en) 2014-01-30
EP2877453B1 (en) 2016-07-06
CO7200265A2 (es) 2015-02-27
CN104640844A (zh) 2015-05-20
CA2879530A1 (en) 2014-01-30
UY34946A (es) 2014-02-28
IL236816A (en) 2016-11-30
NZ704103A (en) 2016-08-26
BR112015001615A2 (pt) 2017-07-04
AU2013293200A1 (en) 2015-02-19
WO2014018502A1 (en) 2014-01-30
IN2015DN00821A (enExample) 2015-06-12
BR112015001615B8 (pt) 2022-08-23
EP2877453A1 (en) 2015-06-03
JP2015530367A (ja) 2015-10-15
US8871943B2 (en) 2014-10-28
JP6046817B2 (ja) 2016-12-21
TWI577663B (zh) 2017-04-11
RU2015106019A (ru) 2016-09-10
CN104640844B (zh) 2016-11-09
HK1210613A1 (en) 2016-04-29
TW201406726A (zh) 2014-02-16
KR20150036673A (ko) 2015-04-07
RU2632203C2 (ru) 2017-10-03
MX2015001141A (es) 2015-09-08
AU2013293200B2 (en) 2016-11-17
ZA201500701B (en) 2016-10-26

Similar Documents

Publication Publication Date Title
CA2879530C (en) Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates
TWI529163B (zh) 用於製備4-胺基-5-氟-3-鹵素-6-(經取代之)吡啶甲酸酯的方法
RU2542985C1 (ru) Способ получения 4-амино-5-фтор-3-галоген-6-(замещенных)пиколинатов
US9376388B2 (en) Fluoropicolinoyl fluorides and processes for their preparation
KR20130121951A (ko) 4-아미노-3-클로로-5-플루오로-6-(치환된)피콜리네이트의제조 방법
CN105646368A (zh) 一种2,4-二氯-5-甲氧基嘧啶的制备方法
HK1210613B (en) Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates
HK1210465B (en) Fluoropicolinoyl fluorides and processes for their preparation
HK1187494A (en) Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20180720