ES2124819T3 - Procedimiento para la preparacion de nitrobencenos multiplemente fluorados. - Google Patents

Procedimiento para la preparacion de nitrobencenos multiplemente fluorados.

Info

Publication number
ES2124819T3
ES2124819T3 ES94110879T ES94110879T ES2124819T3 ES 2124819 T3 ES2124819 T3 ES 2124819T3 ES 94110879 T ES94110879 T ES 94110879T ES 94110879 T ES94110879 T ES 94110879T ES 2124819 T3 ES2124819 T3 ES 2124819T3
Authority
ES
Spain
Prior art keywords
nitrobenzenes
procedure
preparation
multiply
fluorine
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
ES94110879T
Other languages
English (en)
Inventor
Dr Thomas Schach
Dr Theodor Papenfuhs
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.)
Clariant Produkte Deutschland GmbH
Original Assignee
Clariant GmbH
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 Clariant GmbH filed Critical Clariant GmbH
Application granted granted Critical
Publication of ES2124819T3 publication Critical patent/ES2124819T3/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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

LOS NITROBENZOLES MULTIPLEMENTE FLUORADOS, CON PREFERENCIA DOS O TRES VECES SON ELABORADOS DE FORMA VENTAJOSA MEDIANTE UNA REACCION-FLUOR A PARTIR DE LOS CLORONITROBENZOLES CORRESPONDIENTES Y UN FLUORURO DE METAL ALCALINO, DONDE LA TRANSFORMACION SE CATALIZA CON UN COMPUESTO DE AMONIO CUATERNARIO, QUE CONTIENE AL MENOS UN RESTO ALCOXIPOLIOXIALQUIL.
ES94110879T 1993-07-21 1994-07-13 Procedimiento para la preparacion de nitrobencenos multiplemente fluorados. Expired - Lifetime ES2124819T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4324365A DE4324365A1 (de) 1993-07-21 1993-07-21 Verfahren zur Herstellung von mehrfach fluorierten Nitrobenzolen

Publications (1)

Publication Number Publication Date
ES2124819T3 true ES2124819T3 (es) 1999-02-16

Family

ID=6493291

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94110879T Expired - Lifetime ES2124819T3 (es) 1993-07-21 1994-07-13 Procedimiento para la preparacion de nitrobencenos multiplemente fluorados.

Country Status (6)

Country Link
US (1) US5502260A (es)
EP (1) EP0635482B1 (es)
JP (1) JPH07145111A (es)
CA (1) CA2128469A1 (es)
DE (2) DE4324365A1 (es)
ES (1) ES2124819T3 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745212A1 (de) * 1997-10-13 1999-04-15 Clariant Gmbh Verfahren zur Herstellung von fluorierten aromatischen Verbindungen
US20040024238A1 (en) * 1999-07-02 2004-02-05 Nathalie Laurain Use of nitriles as polar aprotic solvents
CN107325001B (zh) * 2017-06-14 2020-03-06 浙江解氏新材料股份有限公司 2,3,4-三氟硝基苯的制备方法
WO2020164217A1 (en) 2019-02-15 2020-08-20 Fujian Yongjing Technology Co., Ltd New process for manufacture of fluoroaryl compounds and derivatives
CN111004149B (zh) * 2019-12-27 2022-06-07 大连奇凯医药科技有限公司 多氯苯腈催化氟化制备多氟苯腈的方法
CN112457153B (zh) * 2020-11-10 2022-09-09 台州臻挚生物科技有限公司 2,4,5-三氟苯乙酸的工业化制备方法
CN115959995A (zh) * 2023-02-09 2023-04-14 云南云天化股份有限公司 一种2,4-二氟硝基苯的工业化生产方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064058A (en) * 1961-04-07 1962-11-13 Nepera Chemical Co Inc Method of preparing fluorinated compounds
GB1094182A (en) * 1964-02-26 1967-12-06 Imp Smelting Corp Ltd Fluorination of halogenated organic compounds
US4229365A (en) * 1977-05-28 1980-10-21 Basf Aktiengesellschaft Manufacture of substituted fluorobenzenes
US4140719A (en) * 1977-10-31 1979-02-20 Merck & Co., Inc. Solid-liquid phase transfer catalysis improved method of preparing 2,4-difluoroaniline
US4164517A (en) * 1977-12-30 1979-08-14 I.S.C. Chemicals Limited Preparation of fluoronitrobenzene
DE2938939A1 (de) * 1978-10-05 1980-04-17 Boots Co Ltd Verfahren zur herstellung von fluornitrobenzolen
US4418229A (en) * 1981-04-15 1983-11-29 Mallinckrodt, Inc. Method for producing fluoronitrobenzene compounds
US4694104A (en) * 1982-08-09 1987-09-15 Gaf Corporation Phase transfer catalysts
EP0120575B1 (en) * 1983-02-18 1989-06-14 Nippon Shokubai Kagaku Kogyo Co., Ltd Organic fluorine compounds
US4973771A (en) * 1986-01-06 1990-11-27 Mallinckrodt, Inc. Phase transfer catalysts
DE3642332A1 (de) * 1986-12-11 1988-06-23 Bayer Ag Verfahren zur herstellung von substituierten 3,5-dichlor-2,4-difluor-benzolen
DE3827436A1 (de) * 1988-08-12 1990-02-15 Bayer Ag Verfahren zum einfuehren von fluoratomen an aromatische kerne durch nucleophilen austausch
US5208394A (en) * 1988-08-26 1993-05-04 Asahi Glass Company Ltd. Process for producing chlorofluorobenzenes
US4937397A (en) * 1988-11-28 1990-06-26 The Dow Chemical Company Preparation of halofluorobenzenes
EP0523671B1 (de) * 1991-07-17 1996-01-17 Hoechst Aktiengesellschaft Verfahren zur Herstellung von Chlorfluornitrobenzolen
US5315043A (en) * 1992-02-05 1994-05-24 E. I. Du Pont De Nemours And Company Aromatic nucleophilic fluorination
US5294742A (en) * 1992-03-21 1994-03-15 Hoechst Atkiengesellschaft Process for preparing 3,5-difluoroaniline

Also Published As

Publication number Publication date
DE4324365A1 (de) 1995-01-26
EP0635482B1 (de) 1998-10-14
US5502260A (en) 1996-03-26
EP0635482A3 (de) 1996-08-21
JPH07145111A (ja) 1995-06-06
EP0635482A2 (de) 1995-01-25
CA2128469A1 (en) 1995-01-22
DE59407076D1 (de) 1998-11-19

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