BR112023019613A2 - Preparação de ácido 2-cloro-4-fluoro-5-nitrobenzoico - Google Patents

Preparação de ácido 2-cloro-4-fluoro-5-nitrobenzoico

Info

Publication number
BR112023019613A2
BR112023019613A2 BR112023019613A BR112023019613A BR112023019613A2 BR 112023019613 A2 BR112023019613 A2 BR 112023019613A2 BR 112023019613 A BR112023019613 A BR 112023019613A BR 112023019613 A BR112023019613 A BR 112023019613A BR 112023019613 A2 BR112023019613 A2 BR 112023019613A2
Authority
BR
Brazil
Prior art keywords
chloro
fluoro
nitrobenzoic acid
preparation
acid
Prior art date
Application number
BR112023019613A
Other languages
English (en)
Inventor
Kumar Jha Ashok
Michael Grabarnick
Vasantrao GALGE Revanappa
Original Assignee
Adama Agan 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 Adama Agan Ltd filed Critical Adama Agan Ltd
Publication of BR112023019613A2 publication Critical patent/BR112023019613A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/06—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D239/08—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings 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 directly attached in position 2
    • C07D239/10—Oxygen or sulfur 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/16—Separation; Purification; Stabilisation; Use of additives
    • 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
    • C07C205/58—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 halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/04—Formation of amino groups in compounds containing carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/52—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
    • C07C229/54—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
    • C07C229/60—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring with amino and carboxyl groups bound in meta- or para- positions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/04—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from amines with formation of carbamate groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids
    • C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
    • C07C271/26—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring
    • C07C271/28—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a non-condensed six-membered aromatic ring

Abstract

preparação de ácido 2-cloro-4-fluoro-5-nitrobenzoico. a presente invenção se refere a um novo processo de nitração de ácido 2-cloro-4-fluorobenzoico para ácido 2-cloro-4-fluoro-5-nitrobenzoico, ácido 2-cloro-4-fluoro-3-nitrobenzoico e ácido 3,5-dinitro-2-cloro-4-fluorobenzoico; purificar o produto bruto da reação; e recuperar o ácido 2-cloro-4-fluoro-5-nitrobenzoico em uma forma essencialmente pura, o qual pode ser utilizado na síntese do saflufenacil herbicida.
BR112023019613A 2021-03-26 2022-03-22 Preparação de ácido 2-cloro-4-fluoro-5-nitrobenzoico BR112023019613A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202131013524 2021-03-26
PCT/IL2022/050321 WO2022201155A1 (en) 2021-03-26 2022-03-22 Preparation of 2-chloro-4-fluoro-5-nitrobenzoic acid

Publications (1)

Publication Number Publication Date
BR112023019613A2 true BR112023019613A2 (pt) 2023-11-14

Family

ID=81326370

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023019613A BR112023019613A2 (pt) 2021-03-26 2022-03-22 Preparação de ácido 2-cloro-4-fluoro-5-nitrobenzoico

Country Status (5)

Country Link
EP (1) EP4313954A1 (pt)
CN (1) CN117062805A (pt)
BR (1) BR112023019613A2 (pt)
IL (1) IL305851A (pt)
WO (1) WO2022201155A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3228537A1 (en) * 2021-08-09 2023-02-16 Adama Agan Ltd. A new process of saflufenacil production using novel intermediates
WO2024047648A1 (en) * 2022-08-31 2024-03-07 Adama Agan Ltd. Preparation of 2-chloro-4-fluoro-5-nitrobenzoic acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL148464A0 (en) 2000-05-04 2002-09-12 Basf Ag Uracil substituted phenyl sulfamoyl carboxamides
PL214983B1 (pl) 2002-10-30 2013-10-31 Basf Ag Sposób wytwarzania fenyloizo(tio)cyjanianów, fenyloizo(tio)cyjaniany, amidy kwasu aminobenzoiloamidosulfonowego, amidy kwasu nitrobenzoiloamidosulfonowego i sposób wytwarzania amidów kwasu aminobenzoiloamidosulfonowego
WO2005054208A1 (de) 2003-12-03 2005-06-16 Basf Aktiengesellschaft Verfahren zur herstellung von 3-phenyl(thio)uracilen und 3-phenyldithiouracilen
WO2006010474A1 (de) 2004-07-22 2006-02-02 Basf Aktiengesellschaft Verfahren zur herstellung von 3-phenyl(thio)uracilen und - dithiouracilen
CN106905161B (zh) * 2017-03-09 2019-03-01 常州沃腾化工科技有限公司 一种2-氯-4-氟-5-硝基苯甲酸的合成方法

Also Published As

Publication number Publication date
WO2022201155A1 (en) 2022-09-29
IL305851A (en) 2023-11-01
CN117062805A (zh) 2023-11-14
EP4313954A1 (en) 2024-02-07

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