AR115277A1 - Método para la preparación de herbicida de ácido fenoxicarboxílico - Google Patents

Método para la preparación de herbicida de ácido fenoxicarboxílico

Info

Publication number
AR115277A1
AR115277A1 ARP190100684A ARP190100684A AR115277A1 AR 115277 A1 AR115277 A1 AR 115277A1 AR P190100684 A ARP190100684 A AR P190100684A AR P190100684 A ARP190100684 A AR P190100684A AR 115277 A1 AR115277 A1 AR 115277A1
Authority
AR
Argentina
Prior art keywords
carbon atoms
ester
compound
phenoxycarboxylic
catalyst
Prior art date
Application number
ARP190100684A
Other languages
English (en)
Inventor
Yishan Hu
Zhilong Chi
Liguo Zhang
Yongsheng Hou
Guoqing Sun
Original Assignee
Shandong Rainbow Biotech Co 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 Shandong Rainbow Biotech Co Ltd filed Critical Shandong Rainbow Biotech Co Ltd
Publication of AR115277A1 publication Critical patent/AR115277A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N39/00Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02Aryloxy-carboxylic acids; Derivatives thereof
    • A01N39/04Aryloxy-acetic acids; Derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/10Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/47Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/307Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/31Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of functional groups containing oxygen only in singly bound form
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/16Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Se provee un método de preparación de un ácido fenoxicarboxílico que posee actividad herbicida. Reivindicación 1: Un método para la preparación de un herbicida de ácido fenoxicarboxílico, que comprende los siguientes pasos de: S1, la mezcla de un compuesto fenólico anhidro, una sustancia alcalina y un éster clorocarboxílico, y la realización de una reacción de condensación en un solo recipiente en un sistema no acuoso para obtener un éster fenoxicarboxílico; el compuesto fenólico anhidro es fenol anhidro u o-cresol anhidro; la fórmula general del éster clorocarboxílico es ClR¹COOR, en la que R¹ se selecciona de un alquileno o un grupo alquilideno con 1 a 3 átomos de carbono, R se selecciona de un grupo alquilo con 1 a 10 átomos de carbono o un grupo cicloalquilo con 3 a 10 átomos de carbono; S2, la realización de una cloración selectiva del éster fenoxicarboxílico con un agente de cloración en la presencia de un primer catalizador y un segundo catalizador para obtener un éster clorofenoxicarboxílico; el primer catalizador se selecciona de un ácido de Lewis, y el segundo catalizador se selecciona de un compuesto de tioéter con 5 a 22 átomos de carbono, un compuesto de tiazol con 5 a 22 átomos de carbono, un compuesto de isotiazol con 5 a 22 átomos de carbono, o un compuesto de tiofeno con 5 a 22 átomos de carbono; S3, la realización de una reacción de acidólisis del éster clorofenoxicarboxílico para obtener el herbicida de ácido fenoxicarboxílico representado por la fórmula (1); en la fórmula (1), R¹ se selecciona de un alquileno o un grupo alquilideno con 1 a 3 átomos de carbono, y R³ es H, Cl o CH₃.
ARP190100684A 2018-03-19 2019-03-19 Método para la preparación de herbicida de ácido fenoxicarboxílico AR115277A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810226589.5A CN108947794A (zh) 2018-03-19 2018-03-19 一种苯氧羧酸类除草剂的制备方法

Publications (1)

Publication Number Publication Date
AR115277A1 true AR115277A1 (es) 2020-12-16

Family

ID=64495258

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP190100684A AR115277A1 (es) 2018-03-19 2019-03-19 Método para la preparación de herbicida de ácido fenoxicarboxílico

Country Status (4)

Country Link
US (1) US11040933B2 (es)
CN (2) CN108947794A (es)
AR (1) AR115277A1 (es)
WO (1) WO2019179267A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947822A (zh) * 2018-03-19 2018-12-07 山东润博生物科技有限公司 一种苯氧羧酸类除草剂的制备方法
CN108947794A (zh) 2018-03-19 2018-12-07 山东润博生物科技有限公司 一种苯氧羧酸类除草剂的制备方法
CN113248370B (zh) * 2021-05-07 2022-06-17 江苏健谷化工有限公司 一种2-甲基-4-氯苯氧乙酸钠合成过程中邻甲基苯氧乙酸钠的制备方法
CN118084651A (zh) * 2024-03-11 2024-05-28 安徽兴隆化工有限公司 一种2甲4氯丁酸的制备方法

Family Cites Families (8)

* 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
CN106242971B (zh) * 2016-08-04 2019-06-25 山东省化工研究院 一种氯乙酸酯水相合成技术及其制备2,4-d酯的新方法
CN106278862B (zh) * 2016-08-04 2019-06-25 山东省化工研究院 一种2,4-二氯苯氧乙酸的合成新工艺
CN108424360A (zh) * 2017-02-13 2018-08-21 山东润博生物科技有限公司 一种2,4-二氯苯氧乙酸的制备方法
CN106892808A (zh) * 2017-02-28 2017-06-27 山东润博生物科技有限公司 一种2,4‑二氯苯氧乙酸的制备方法
CN108947838A (zh) 2018-03-19 2018-12-07 山东润博生物科技有限公司 一种2,4-二氯苯氧乙酸及其盐的制备方法
CN108947822A (zh) 2018-03-19 2018-12-07 山东润博生物科技有限公司 一种苯氧羧酸类除草剂的制备方法
CN108947794A (zh) 2018-03-19 2018-12-07 山东润博生物科技有限公司 一种苯氧羧酸类除草剂的制备方法

Also Published As

Publication number Publication date
CN108947794A (zh) 2018-12-07
WO2019179267A1 (zh) 2019-09-26
CN117736082A (zh) 2024-03-22
US11040933B2 (en) 2021-06-22
US20210017113A1 (en) 2021-01-21

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