ES2083048T3 - Procedimiento para fabricar 2-nitro-5-fluoro- o bien -5-cloro-fenol. - Google Patents

Procedimiento para fabricar 2-nitro-5-fluoro- o bien -5-cloro-fenol.

Info

Publication number
ES2083048T3
ES2083048T3 ES92117009T ES92117009T ES2083048T3 ES 2083048 T3 ES2083048 T3 ES 2083048T3 ES 92117009 T ES92117009 T ES 92117009T ES 92117009 T ES92117009 T ES 92117009T ES 2083048 T3 ES2083048 T3 ES 2083048T3
Authority
ES
Spain
Prior art keywords
procedure
nitro
fluoride
chlorine
phenol
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 - Lifetime
Application number
ES92117009T
Other languages
English (en)
Inventor
Ralf Dr Pfirmann
Theodor Dr Papenfuhs
Klaus Dr Forstinger
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of ES2083048T3 publication Critical patent/ES2083048T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

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

Abstract

LA INVENCION PRESENTADA CONCIERNE A UN PROCEDIMIENTO PARA LA OBTENCION DE 2 LIBRES DE ISOMEROS, EN EL CUAL SE TRANSFORMA 2,4 DIFLUORONITROBENCENO O 2,4 NES ACUOSAS DE HIDROXIDO DE METAL ALCALINO O DE METAL ALCALINO-TERREO, EN PRESENCIA DE DISOLVENTES ORGANICOS O DE OTRAS SUSTANCIAS MEDIADORAS DE LA SOLUBILIDAD, A TEMPERATURAS DE ENTRE 20 (GRADOS) C A CERCA DE 190 (GRADOS) C, LA MEZCLA DE LA REACCION SE SITUA POR MEDIO DE LA ADICION DE ACIDO, EN UN RH DE APROXIMADAMENTE 1 HASTA CERCA DE 6, EL PRODUCTO ORIGINADO ES DESTILADO POR VAPOR DE AGUA Y DESPUES DEL ENFRIADO ES AISLADO DEL DESTILADO.
ES92117009T 1991-10-09 1992-10-06 Procedimiento para fabricar 2-nitro-5-fluoro- o bien -5-cloro-fenol. Expired - Lifetime ES2083048T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4133447 1991-10-09

Publications (1)

Publication Number Publication Date
ES2083048T3 true ES2083048T3 (es) 1996-04-01

Family

ID=6442350

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92117009T Expired - Lifetime ES2083048T3 (es) 1991-10-09 1992-10-06 Procedimiento para fabricar 2-nitro-5-fluoro- o bien -5-cloro-fenol.

Country Status (6)

Country Link
US (1) US5227535A (es)
EP (1) EP0537592B1 (es)
JP (1) JP3229386B2 (es)
CA (1) CA2080208A1 (es)
DE (1) DE59205092D1 (es)
ES (1) ES2083048T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030263A1 (de) * 1990-09-25 1992-03-26 Hoechst Ag Verfahren zur herstellung von 2,3-difluor-6-nitrophenol
IN180375B (es) * 1992-12-17 1998-01-24 Hoechst Ag
CN106045861B (zh) * 2016-05-26 2019-04-19 山东润博生物科技有限公司 一种连续化生产5-氟-2-硝基苯酚的方法及其系统
CN106083536B (zh) * 2016-06-14 2018-10-30 浙江永太科技股份有限公司 一种安塞曲匹关键中间体的制备方法
CN107935858B (zh) * 2016-10-12 2020-09-08 利尔化学股份有限公司 5-氟-2-硝基苯酚的制备方法
CN107459464A (zh) * 2017-08-23 2017-12-12 连云港世杰农化有限公司 一种合成2‑（5‑氟‑2‑硝基‑苯氧基）乙酸甲酯的方法
CN114031503A (zh) * 2021-12-15 2022-02-11 启东东岳药业有限公司 同时合成5-氟-2-硝基苯酚和3-氟-4-硝基苯酚的方法
CN116514662B (zh) * 2022-12-12 2025-03-04 山东京博农化科技股份有限公司 一种5-氟-2-硝基苯酚的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3461173A (en) * 1963-11-12 1969-08-12 Sun Oil Co Preparation of substituted o-nitrophenols
FR2224440B1 (es) * 1973-04-06 1976-06-11 Rhone Progil
DE2733682A1 (de) * 1977-07-26 1979-02-08 Bayer Ag Verfahren zur herstellung von trifluormethylphenolen
DE2935629A1 (de) * 1979-09-04 1981-03-12 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von 5-chlor-2-nitrophenol.
US4596893A (en) * 1984-01-31 1986-06-24 Budapesti Vegyimuvek 2-trifluoromethyl-4,6-dinitro-phenol and derivatives thereof, process for the preparation thereof and herbicidal, acaricidal and crop regulation compositions containing same
DE4030263A1 (de) * 1990-09-25 1992-03-26 Hoechst Ag Verfahren zur herstellung von 2,3-difluor-6-nitrophenol

Also Published As

Publication number Publication date
DE59205092D1 (de) 1996-02-29
EP0537592B1 (de) 1996-01-17
JP3229386B2 (ja) 2001-11-19
CA2080208A1 (en) 1993-04-10
JPH05294900A (ja) 1993-11-09
EP0537592A1 (de) 1993-04-21
US5227535A (en) 1993-07-13

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