ES2111234T3 - Procedimiento para la obtencion de 4,5-difluorbenzaldehidos. - Google Patents

Procedimiento para la obtencion de 4,5-difluorbenzaldehidos.

Info

Publication number
ES2111234T3
ES2111234T3 ES94117176T ES94117176T ES2111234T3 ES 2111234 T3 ES2111234 T3 ES 2111234T3 ES 94117176 T ES94117176 T ES 94117176T ES 94117176 T ES94117176 T ES 94117176T ES 2111234 T3 ES2111234 T3 ES 2111234T3
Authority
ES
Spain
Prior art keywords
difluorbenzaldehyde
procedure
obtaining
difluorobenzaldehydes
prepared
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
ES94117176T
Other languages
English (en)
Inventor
Albrecht Dr Marhold
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2111234T3 publication Critical patent/ES2111234T3/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
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/41—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
    • C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/55—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

LOS 4,5 ELABORADOS POR MEDIO DE TRANSFORMACION DE LOS CORRESPONDIENTES BENZALDEHIDOS CON UN MEDIO DE FLUORACION.
ES94117176T 1993-11-11 1994-10-31 Procedimiento para la obtencion de 4,5-difluorbenzaldehidos. Expired - Lifetime ES2111234T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4338525A DE4338525A1 (de) 1993-11-11 1993-11-11 Verfahren zur Herstellung von 4,5-Difluorbenzaldehyden

Publications (1)

Publication Number Publication Date
ES2111234T3 true ES2111234T3 (es) 1998-03-01

Family

ID=6502357

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94117176T Expired - Lifetime ES2111234T3 (es) 1993-11-11 1994-10-31 Procedimiento para la obtencion de 4,5-difluorbenzaldehidos.

Country Status (7)

Country Link
US (1) US5489715A (es)
EP (1) EP0653412B1 (es)
JP (1) JP3794725B2 (es)
AT (1) ATE162511T1 (es)
CA (1) CA2135353A1 (es)
DE (2) DE4338525A1 (es)
ES (1) ES2111234T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2022070992A1 (es) * 2020-09-29 2022-04-07
CN115677477B (zh) * 2022-09-26 2023-05-26 上海康鹏科技股份有限公司 一种2，4，5-三氟苯乙酸及其中间体的制备方法
CN115745766B (zh) * 2022-10-27 2024-05-14 兰州康鹏威耳化工有限公司 一种三氟苯甲醛及三氟苄溴的制备方法
CN116178121A (zh) * 2022-12-09 2023-05-30 浙江巍华新材料股份有限公司 一种2,4,5-三氟苯甲醛的制备方法
CN120398655A (zh) * 2025-07-01 2025-08-01 山东道可化学有限公司 一种2,4-二氯苯甲醛合成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3420796A1 (de) * 1984-06-04 1985-12-05 Bayer Ag, 5090 Leverkusen 2,4,5-trihalogen- bzw. 2,3,4,5-tetrahalogenbenzolderivate und verfahren zu ihrer herstellung
EP0289942B1 (en) * 1987-05-08 1993-07-07 IHARA CHEMICAL INDUSTRY Co., Ltd. Process for producing fluorobenzaldehydes

Also Published As

Publication number Publication date
EP0653412A1 (de) 1995-05-17
DE4338525A1 (de) 1995-05-18
EP0653412B1 (de) 1998-01-21
JPH07188093A (ja) 1995-07-25
JP3794725B2 (ja) 2006-07-12
US5489715A (en) 1996-02-06
DE59405089D1 (de) 1998-02-26
CA2135353A1 (en) 1995-05-12
ATE162511T1 (de) 1998-02-15

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