ES2126802T3 - Procedimiento para la obtencion de fluoruros de 2-halogeno-4,5-difluor-benzoilo. - Google Patents

Procedimiento para la obtencion de fluoruros de 2-halogeno-4,5-difluor-benzoilo.

Info

Publication number
ES2126802T3
ES2126802T3 ES95103328T ES95103328T ES2126802T3 ES 2126802 T3 ES2126802 T3 ES 2126802T3 ES 95103328 T ES95103328 T ES 95103328T ES 95103328 T ES95103328 T ES 95103328T ES 2126802 T3 ES2126802 T3 ES 2126802T3
Authority
ES
Spain
Prior art keywords
difluor
halogen
procedure
obtaining
benzoyl fluorides
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
ES95103328T
Other languages
English (en)
Inventor
Stefan Dr Antons
Albrecht Dr Marhold
Bernhard Dr Beitzke
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6513348&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2126802(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2126802T3 publication Critical patent/ES2126802T3/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
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • 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
    • C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
    • 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
    • C07C51/62—Preparation of carboxylic acid halides by reactions not involving the carboxylic acid halide group

Landscapes

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

Abstract

LOS 2 - HALOGENO - 4,5 - DIFLUOR - BENZOILFLORUROS SE OBTIENEN CON ALTO RENDIMIENTO CUANDO SE TRANSFORMA 2,4 - DICLORO - 5 FLUORBENZOILHALOGENURO CON FLUORURO DE POTASIO EN UN DISOLVENTE APROTICO. LOS 2 - HALOGENO -4,5 - DIFLUOR - BENZOILFLORUROS ELABORADOS SON APROPIADOS ESPECIALMENTE COMO PRODUCTOS INTERMEDIOS EN LA ELABORACION DE SUSTANCIAS ACTIVAS ANTIBACTERIALES.
ES95103328T 1994-03-21 1995-03-08 Procedimiento para la obtencion de fluoruros de 2-halogeno-4,5-difluor-benzoilo. Expired - Lifetime ES2126802T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4409578A DE4409578A1 (de) 1994-03-21 1994-03-21 Verfahren zur Herstellung von 2-Halogen-4,5-difluorbenzoylfluoriden

Publications (1)

Publication Number Publication Date
ES2126802T3 true ES2126802T3 (es) 1999-04-01

Family

ID=6513348

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95103328T Expired - Lifetime ES2126802T3 (es) 1994-03-21 1995-03-08 Procedimiento para la obtencion de fluoruros de 2-halogeno-4,5-difluor-benzoilo.

Country Status (6)

Country Link
US (1) US5859298A (es)
EP (1) EP0673912B1 (es)
JP (1) JP3057146B2 (es)
CA (1) CA2144935A1 (es)
DE (2) DE4409578A1 (es)
ES (1) ES2126802T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3524605B1 (en) 2018-02-13 2019-11-27 F.I.S.- Fabbrica Italiana Sintetici S.p.A. New efficient process for the preparation of sitagliptin

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140634A1 (de) 1981-10-13 1983-04-21 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von kernfluorierten benzoylfluoriden
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
DE3631906A1 (de) * 1986-09-19 1988-03-31 Bayer Ag Verfahren zur herstellung von benzoesaeure-derivaten
US4996355A (en) 1989-04-14 1991-02-26 Mallinckrodt, Inc. Novel intermediates for the production of 2,4,5-trifluorobenzoyl fluoride

Also Published As

Publication number Publication date
JP3057146B2 (ja) 2000-06-26
JPH07278050A (ja) 1995-10-24
EP0673912A1 (de) 1995-09-27
EP0673912B1 (de) 1998-12-23
DE4409578A1 (de) 1995-09-28
DE59504600D1 (de) 1999-02-04
US5859298A (en) 1999-01-12
CA2144935A1 (en) 1995-09-22

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