ES8800659A1 - Un procedimiento para preparar un acido 3-amino-4-hidroxiben-zoico - Google Patents

Un procedimiento para preparar un acido 3-amino-4-hidroxiben-zoico

Info

Publication number
ES8800659A1
ES8800659A1 ES556645A ES556645A ES8800659A1 ES 8800659 A1 ES8800659 A1 ES 8800659A1 ES 556645 A ES556645 A ES 556645A ES 556645 A ES556645 A ES 556645A ES 8800659 A1 ES8800659 A1 ES 8800659A1
Authority
ES
Spain
Prior art keywords
acid
amino
procedure
hydroxiben
preparing
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.)
Expired
Application number
ES556645A
Other languages
English (en)
Other versions
ES556645A0 (es
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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
Priority claimed from US06/827,996 external-priority patent/US4835306A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of ES556645A0 publication Critical patent/ES556645A0/es
Publication of ES8800659A1 publication Critical patent/ES8800659A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/38—Separation; Purification; Stabilisation; Use of additives
    • C07C227/40—Separation; Purification
    • C07C227/42—Crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE ACIDOS 3-AMINO-4-HIDROXIBENZOICOS. COMPRENDE LA REACCION DE UN ACIDO P-HALOBENZOICO O UNO DE SUS ESTERES, OPCIONALMENTE SUSTITUIDO CON UNO O DOS GRUPOS ALQUILO, CON ACIDO NITRICO, EN MEDIO ACIDO; SEGUIDA DE LA REACCION DEL DERIVADO DE ACIDO 3-NITROHALOBENZOICO FORMADO CON UN HIDROXIDO DE METAL ALCALINO; Y, FINALMENTE, REDUCCION DEL DERIVADO DE ACIDO 3-NITRO-4-HIDROXIBENZOICO ASI OBTENIDO, POR TRATAMIENTO CON HIDROGENO O UNA FUENTE DEL MISMO, EN PRESENCIA DE UN CATALIZADOR DE REDUCCION HETEROGENEO. ESTOS COMPUESTOS TIENEN APLICACIONES COMO INTERMEDIOS EN SINTESIS ORGANICA.
ES556645A 1985-06-26 1986-06-25 Un procedimiento para preparar un acido 3-amino-4-hidroxiben-zoico Expired ES8800659A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74907985A 1985-06-26 1985-06-26
US06/827,996 US4835306A (en) 1986-02-10 1986-02-10 Preparation of 3-amino-4-hydroxybenzoic acids

Publications (2)

Publication Number Publication Date
ES556645A0 ES556645A0 (es) 1987-11-16
ES8800659A1 true ES8800659A1 (es) 1987-11-16

Family

ID=27115049

Family Applications (1)

Application Number Title Priority Date Filing Date
ES556645A Expired ES8800659A1 (es) 1985-06-26 1986-06-25 Un procedimiento para preparar un acido 3-amino-4-hidroxiben-zoico

Country Status (14)

Country Link
EP (1) EP0206635B1 (es)
JP (1) JPH0811745B2 (es)
KR (1) KR940007526B1 (es)
AU (1) AU586257B2 (es)
BR (1) BR8602926A (es)
CA (1) CA1262251A (es)
DE (1) DE3666948D1 (es)
DK (1) DK303786A (es)
ES (1) ES8800659A1 (es)
FI (1) FI862718L (es)
GR (1) GR861636B (es)
IE (1) IE59268B1 (es)
NO (1) NO862548L (es)
PT (1) PT82833B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959492A (en) * 1989-07-14 1990-09-25 The Dow Chemical Company Process to synthesize AB-PBO monomer and phosphate salts thereof
WO2010005099A1 (ja) 2008-07-09 2010-01-14 味の素株式会社 アミノヒドロキシ安息香酸類の製造方法
CN103073432B (zh) * 2013-01-16 2014-03-19 浙江华基生物技术有限公司 5-[2-氯-4-（三氟甲基）苯氧基]-2-硝基苯甲酸的合成方法
CN105237423A (zh) * 2015-09-24 2016-01-13 营口三征新科技化工有限公司 3-氨基-4-羟基苯甲酸的制备方法
CN113372215B (zh) * 2021-05-20 2024-05-24 吉林大学 一种用于合成对卤甲基苯甲酸酯的新型酯化方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819680A (en) 1970-05-28 1974-06-25 Gaf Corp Nitration of benzoic acid esters
US3929864A (en) 1973-08-27 1975-12-30 Hoechst Ag Process for preparing 4-hydroxy-3-nitrobenzoic acid alkyl esters
AU1885083A (en) * 1982-08-23 1984-03-07 Australian National University, The Process for the preparation of 3-amino-5-hydroxybenzoic acidsand derivatives and analogues thereof
JPS6089451A (ja) * 1983-10-24 1985-05-20 Toray Ind Inc ６−ニトロ−３−ヒドロキシ安息香酸の製造法

Also Published As

Publication number Publication date
ES556645A0 (es) 1987-11-16
NO862548L (no) 1986-12-29
FI862718A0 (fi) 1986-06-25
EP0206635A1 (en) 1986-12-30
EP0206635B1 (en) 1989-11-15
JPH0811745B2 (ja) 1996-02-07
IE861698L (en) 1986-12-26
BR8602926A (pt) 1987-02-17
AU5852686A (en) 1987-01-08
FI862718A7 (fi) 1986-12-27
CA1262251A (en) 1989-10-10
AU586257B2 (en) 1989-07-06
DK303786D0 (da) 1986-06-26
JPS6212750A (ja) 1987-01-21
FI862718L (fi) 1986-12-27
NO862548D0 (no) 1986-06-25
PT82833B (pt) 1988-12-15
GR861636B (en) 1986-10-30
PT82833A (en) 1986-07-01
IE59268B1 (en) 1994-01-26
KR870000285A (ko) 1987-02-17
DE3666948D1 (en) 1989-12-21
KR940007526B1 (ko) 1994-08-19
DK303786A (da) 1986-12-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519