DE69906009D1 - Verfahren zur Herstellung von 2-Alkyliden-4-Bromacetessigsäureestern - Google Patents

Verfahren zur Herstellung von 2-Alkyliden-4-Bromacetessigsäureestern

Info

Publication number
DE69906009D1
DE69906009D1 DE69906009T DE69906009T DE69906009D1 DE 69906009 D1 DE69906009 D1 DE 69906009D1 DE 69906009 T DE69906009 T DE 69906009T DE 69906009 T DE69906009 T DE 69906009T DE 69906009 D1 DE69906009 D1 DE 69906009D1
Authority
DE
Germany
Prior art keywords
alkylidene
preparation
acid esters
formula
bromoacetoacetic
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
DE69906009T
Other languages
English (en)
Other versions
DE69906009T2 (de
Inventor
Isao Kurimoto
Akihiko Nakamura
Norihiko Hirata
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.)
Shionogi and Co Ltd
Sumitomo Chemical Co Ltd
Original Assignee
Shionogi and Co Ltd
Sumitomo Chemical Co Ltd
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 Shionogi and Co Ltd, Sumitomo Chemical Co Ltd filed Critical Shionogi and Co Ltd
Publication of DE69906009D1 publication Critical patent/DE69906009D1/de
Application granted granted Critical
Publication of DE69906009T2 publication Critical patent/DE69906009T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)
DE69906009T 1998-11-02 1999-10-28 Verfahren zur Herstellung von 2-Alkyliden-4-Bromacetessigsäureestern Expired - Lifetime DE69906009T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31193998 1998-11-02

Publications (2)

Publication Number Publication Date
DE69906009D1 true DE69906009D1 (de) 2003-04-24
DE69906009T2 DE69906009T2 (de) 2003-11-06

Family

ID=18023259

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69906009T Expired - Lifetime DE69906009T2 (de) 1998-11-02 1999-10-28 Verfahren zur Herstellung von 2-Alkyliden-4-Bromacetessigsäureestern

Country Status (8)

Country Link
US (1) US6469200B1 (de)
EP (1) EP0999202B1 (de)
CN (1) CN1158241C (de)
AT (1) ATE234806T1 (de)
CA (1) CA2287663C (de)
DE (1) DE69906009T2 (de)
ES (1) ES2198834T3 (de)
RU (1) RU2217412C2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102311345A (zh) * 2010-09-09 2012-01-11 河北华戈化学集团有限公司 乙酰丁二酸二甲酯的连续化合成方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3037997A1 (de) * 1980-10-08 1982-05-13 Bayer Ag (beta) -lactamantibiotika, verfahren zu deren herstellung sowie sie enthaltende mittel
IT1215298B (it) 1985-08-06 1990-01-31 Boehringer Biochemia Srl 2-(eteroalchil)-1,4-diidropiridine ed un processo per la loro produzione.
DE3541095A1 (de) * 1985-11-21 1987-05-27 Bayer Ag Neue cephalosporine, verfahren zu deren herstellung sowie ihre verwendung als arzneimittel
US4921953A (en) * 1988-02-18 1990-05-01 Taisho Pharmaceutical Co., Ltd. Cephalosporin derivatives
MA21969A1 (fr) 1989-10-05 1991-07-01 Beecham Group Plc Procede de preparation de nouveaux composes contenant un cycle beta - lactame .
IE65926B1 (en) * 1990-07-19 1995-11-29 Shionogi & Co Thioalkylthio cephalosporin derivatives
CA2289176C (en) * 1998-11-12 2008-09-02 Isao Kurimoto Producing z-isomer of acid salt of 2-aminothiazole derivative

Also Published As

Publication number Publication date
EP0999202B1 (de) 2003-03-19
CA2287663C (en) 2008-04-08
RU2217412C2 (ru) 2003-11-27
DE69906009T2 (de) 2003-11-06
ATE234806T1 (de) 2003-04-15
EP0999202A1 (de) 2000-05-10
CN1158241C (zh) 2004-07-21
US6469200B1 (en) 2002-10-22
CN1255488A (zh) 2000-06-07
ES2198834T3 (es) 2004-02-01
CA2287663A1 (en) 2000-05-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition