ZA889475B - Methylation of indazole-3-carboxylic acid - Google Patents

Methylation of indazole-3-carboxylic acid

Info

Publication number
ZA889475B
ZA889475B ZA889475A ZA889475A ZA889475B ZA 889475 B ZA889475 B ZA 889475B ZA 889475 A ZA889475 A ZA 889475A ZA 889475 A ZA889475 A ZA 889475A ZA 889475 B ZA889475 B ZA 889475B
Authority
ZA
South Africa
Prior art keywords
indazole
methylation
carboxylic acid
chem
compound
Prior art date
Application number
ZA889475A
Other languages
English (en)
Inventor
Francis David King
David King Francis
Thomas Weir Ramsay
Weir Ramsay Thomas
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 ZA889475B publication Critical patent/ZA889475B/xx

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)
  • Catalysts (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Saccharide Compounds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
ZA889475A 1987-12-22 1988-12-20 Methylation of indazole-3-carboxylic acid ZA889475B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA889475B true ZA889475B (en) 1989-11-29

Family

ID=10628827

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA889475A ZA889475B (en) 1987-12-22 1988-12-20 Methylation of indazole-3-carboxylic acid

Country Status (16)

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

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 (da) * 1972-02-07 1976-01-26

Also Published As

Publication number Publication date
DK709188D0 (da) 1988-12-20
DK170930B1 (da) 1996-03-18
JPH01221365A (ja) 1989-09-04
KR890009884A (ko) 1989-08-04
EP0323105A1 (en) 1989-07-05
PT89261B (pt) 1993-07-30
GR3031922T3 (en) 2000-03-31
ES2137151T3 (es) 1999-12-16
ATE185802T1 (de) 1999-11-15
GB8729801D0 (en) 1988-02-03
JP2668570B2 (ja) 1997-10-27
DK709188A (da) 1989-06-23
DE3856371D1 (de) 1999-11-25
DE3856371T2 (de) 2000-04-06
CA1336713C (en) 1995-08-15
PT89261A (pt) 1989-12-29
AU614566B2 (en) 1991-09-05
EP0323105B1 (en) 1999-10-20
US4946966A (en) 1990-08-07
HK1012385A1 (en) 1999-07-30
NZ227403A (en) 1991-09-25
KR970002873B1 (ko) 1997-03-12
AU2707288A (en) 1989-06-22

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