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AR129951A1 - A PROCESS FOR THE SYNTHESIS OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS AND INTERMEDIATE THEREOF - Google Patents

A PROCESS FOR THE SYNTHESIS OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS AND INTERMEDIATE THEREOF

Info

Publication number
AR129951A1
AR129951A1 ARP230101876A ARP230101876A AR129951A1 AR 129951 A1 AR129951 A1 AR 129951A1 AR P230101876 A ARP230101876 A AR P230101876A AR P230101876 A ARP230101876 A AR P230101876A AR 129951 A1 AR129951 A1 AR 129951A1
Authority
AR
Argentina
Prior art keywords
alkoxy
synthesis
formula
hydroxypicolinic acids
present
Prior art date
Application number
ARP230101876A
Other languages
Spanish (es)
Inventor
Sanjib Mal
Parantap Sarkar
Pranab Kumar Patra
Alexander Guenther Maria Klausener
Original Assignee
Pi Industries Ltd
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 Pi Industries Ltd filed Critical Pi Industries Ltd
Publication of AR129951A1 publication Critical patent/AR129951A1/en

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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79—Acids; Esters
    • 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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/81—Amides; Imides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)

Abstract

La presente invención desvela un proceso para la síntesis de ácidos 4-alcoxi-3-hidroxipicolínicos de fórmula (1) a partir de ácido 2-picolínico. La presente invención desvela además un proceso para la preparación de compuestos de fórmula (3) a partir de compuestos de fórmula (2). La presente invención también desvela compuestos intermedios novedosos de fórmula (3).The present invention discloses a process for the synthesis of 4-alkoxy-3-hydroxypicolinic acids of formula (1) from 2-picolinic acid. The present invention further discloses a process for the preparation of compounds of formula (3) from compounds of formula (2). The present invention also discloses novel intermediate compounds of formula (3).

ARP230101876A 2022-07-18 2023-07-18 A PROCESS FOR THE SYNTHESIS OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS AND INTERMEDIATE THEREOF AR129951A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN202211041013 2022-07-18

Publications (1)

Publication Number Publication Date
AR129951A1 true AR129951A1 (en) 2024-10-16

Family

ID=87571799

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP230101876A AR129951A1 (en) 2022-07-18 2023-07-18 A PROCESS FOR THE SYNTHESIS OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS AND INTERMEDIATE THEREOF

Country Status (4)

Country Link
AR (1) AR129951A1 (en)
TW (1) TW202404943A (en)
UY (1) UY40356A (en)
WO (1) WO2024018354A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803592A1 (en) * 2000-01-06 2001-07-13 Aventis Cropscience Sa NOVEL DERIVATIVES OF 3-HYDROXYPICOLINIC ACID, PROCESS FOR THEIR PREPARATION AND FUNGICIDAL COMPOSITIONS CONTAINING SAME
WO2004022535A1 (en) * 2002-08-28 2004-03-18 Yamanouchi Pharmaceutical Co., Ltd. Acrylamide derivatives
EP3166928B1 (en) 2014-07-08 2019-04-03 Dow AgroSciences LLC Process for the preparation of 3-hydroxypicolinic acids
TWI720647B (en) 2014-07-08 2021-03-01 美商陶氏農業科學公司 Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids
US10550083B2 (en) 2016-01-22 2020-02-04 Dow Agrosciences Llc Processes for the preparation of 4-alkoxy-3-hydroxypicolinic acids
US10259789B2 (en) 2016-01-22 2019-04-16 Dow Agrosciences Llc Process for the preparation of 4-alkoxy-3-acetoxypicolinic acids
TW201733985A (en) 2016-02-29 2017-10-01 陶氏農業科學公司 Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids
IT201900006543A1 (en) * 2019-05-06 2020-11-06 Isagro Spa Compounds with fungicidal activity, relative agronomic compositions and use for the control of phytopathogenic fungi

Also Published As

Publication number Publication date
UY40356A (en) 2024-01-31
TW202404943A (en) 2024-02-01
WO2024018354A1 (en) 2024-01-25

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