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DE3856371D1 - Verfahren zur Herstellung von 1-Methylindazol-3-carbonsäure - Google Patents

Verfahren zur Herstellung von 1-Methylindazol-3-carbonsäure

Info

Publication number
DE3856371D1
DE3856371D1 DE3856371T DE3856371T DE3856371D1 DE 3856371 D1 DE3856371 D1 DE 3856371D1 DE 3856371 T DE3856371 T DE 3856371T DE 3856371 T DE3856371 T DE 3856371T DE 3856371 D1 DE3856371 D1 DE 3856371D1
Authority
DE
Germany
Prior art keywords
preparation
methylindazole
carboxylic acid
chem
compound
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
DE3856371T
Other languages
English (en)
Other versions
DE3856371T2 (de
Inventor
Francis David King
Thomas Weir Ramsay
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.)
F Hoffmann La Roche AG
Original Assignee
Beecham Group PLC
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 Beecham Group PLC filed Critical Beecham Group PLC
Publication of DE3856371D1 publication Critical patent/DE3856371D1/de
Application granted granted Critical
Publication of DE3856371T2 publication Critical patent/DE3856371T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/54—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings condensed with carbocyclic rings or ring systems
    • C07D231/56—Benzopyrazoles; Hydrogenated benzopyrazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Catalysts (AREA)
  • Saccharide Compounds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
DE3856371T 1987-12-22 1988-12-19 Verfahren zur Herstellung von 1-Methylindazol-3-carbonsäure Expired - Lifetime DE3856371T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878729801A GB8729801D0 (en) 1987-12-22 1987-12-22 Novel process

Publications (2)

Publication Number Publication Date
DE3856371D1 true DE3856371D1 (de) 1999-11-25
DE3856371T2 DE3856371T2 (de) 2000-04-06

Family

ID=10628827

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3856371T Expired - Lifetime DE3856371T2 (de) 1987-12-22 1988-12-19 Verfahren zur Herstellung von 1-Methylindazol-3-carbonsäure

Country Status (16)

Country Link
US (1) US4946966A (de)
EP (1) EP0323105B1 (de)
JP (1) JP2668570B2 (de)
KR (1) KR970002873B1 (de)
AT (1) ATE185802T1 (de)
AU (1) AU614566B2 (de)
CA (1) CA1336713C (de)
DE (1) DE3856371T2 (de)
DK (1) DK170930B1 (de)
ES (1) ES2137151T3 (de)
GB (1) GB8729801D0 (de)
GR (1) GR3031922T3 (de)
HK (1) HK1012385A1 (de)
NZ (1) NZ227403A (de)
PT (1) PT89261B (de)
ZA (1) ZA889475B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5171862A (en) * 1989-05-11 1992-12-15 Pfizer Inc. Process and indazole intermediates for the preparation of oxophthalazinyl acetic acids and analogs thereof
GB9502583D0 (en) * 1995-02-10 1995-03-29 Smithkline Beecham Plc Novel process
KR100424341B1 (ko) * 2001-10-23 2004-03-24 하나제약 주식회사 1-메틸인다졸-3-카르복실산의 제조방법
US7060841B2 (en) * 2003-06-03 2006-06-13 Chemagis Ltd. Process for preparing 1-methylindazole-3-carboxylic acid
CN101774971B (zh) * 2010-02-10 2011-07-27 山东众诚药业股份有限公司 高纯度1-甲基吲唑-3-羧酸的生产方法
CN103319396A (zh) * 2012-03-21 2013-09-25 黑龙江福和华星制药集团股份有限公司 一种1-甲基吲哚-3-羧酸的制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1948793A1 (de) * 1969-09-26 1971-04-01 Rhein Chemie Rheinau Gmbh Verfahren zur Herstellung von 4,5,6,7-Tetrahydroindazolen
JPS512466B2 (de) * 1972-02-07 1976-01-26

Also Published As

Publication number Publication date
EP0323105A1 (de) 1989-07-05
DE3856371T2 (de) 2000-04-06
DK709188D0 (da) 1988-12-20
GB8729801D0 (en) 1988-02-03
PT89261B (pt) 1993-07-30
AU614566B2 (en) 1991-09-05
US4946966A (en) 1990-08-07
DK709188A (da) 1989-06-23
CA1336713C (en) 1995-08-15
KR970002873B1 (ko) 1997-03-12
JP2668570B2 (ja) 1997-10-27
PT89261A (pt) 1989-12-29
ES2137151T3 (es) 1999-12-16
GR3031922T3 (en) 2000-03-31
JPH01221365A (ja) 1989-09-04
ATE185802T1 (de) 1999-11-15
ZA889475B (en) 1989-11-29
NZ227403A (en) 1991-09-25
DK170930B1 (da) 1996-03-18
EP0323105B1 (de) 1999-10-20
KR890009884A (ko) 1989-08-04
HK1012385A1 (en) 1999-07-30
AU2707288A (en) 1989-06-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: F. HOFFMANN-LA ROCHE AG, BASEL, CH