DK170930B1 - Fremgangsmåde til fremstilling af 1-methylindazol-3-carboxylsyre - Google Patents

Fremgangsmåde til fremstilling af 1-methylindazol-3-carboxylsyre Download PDF

Info

Publication number: DK170930B1
Authority: DK; Denmark
Prior art keywords: compound; formula; preparation; alkali metal; methylindazole
Prior art date: 1987-12-22

Application number

DK709188A

Other languages

Danish (da)

English (en)

Other versions

DK709188D0 (da

DK709188A (da

Inventor

Francis David King

Thomas Weir Ramsay

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.)

1987-12-22

Filing date

1988-12-20

Publication date

1996-03-18

1988-12-20 Application filed by Beecham Group Plc filed Critical Beecham Group Plc

1988-12-20 Publication of DK709188D0 publication Critical patent/DK709188D0/da

1989-06-23 Publication of DK709188A publication Critical patent/DK709188A/da

1996-03-18 Application granted granted Critical

1996-03-18 Publication of DK170930B1 publication Critical patent/DK170930B1/da

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)

DK709188A 1987-12-22 1988-12-20 Fremgangsmåde til fremstilling af 1-methylindazol-3-carboxylsyre DK170930B1 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB878729801A GB8729801D0 (en)	1987-12-22	1987-12-22	Novel process
GB8729801		1987-12-22

Publications (3)

Publication Number	Publication Date
DK709188D0 DK709188D0 (da)	1988-12-20
DK709188A DK709188A (da)	1989-06-23
DK170930B1 true DK170930B1 (da)	1996-03-18

Family

ID=10628827

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK709188A DK170930B1 (da)	1987-12-22	1988-12-20	Fremgangsmåde til fremstilling af 1-methylindazol-3-carboxylsyre

Country Status (16)

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

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

1987
- 1987-12-22 GB GB878729801A patent/GB8729801D0/en active Pending
1988
- 1988-12-19 AT AT88312039T patent/ATE185802T1/de not_active IP Right Cessation
- 1988-12-19 DE DE3856371T patent/DE3856371T2/de not_active Expired - Lifetime
- 1988-12-19 EP EP88312039A patent/EP0323105B1/en not_active Expired - Lifetime
- 1988-12-19 ES ES88312039T patent/ES2137151T3/es not_active Expired - Lifetime
- 1988-12-20 NZ NZ227403A patent/NZ227403A/xx unknown
- 1988-12-20 PT PT89261A patent/PT89261B/pt not_active IP Right Cessation
- 1988-12-20 CA CA000586405A patent/CA1336713C/en not_active Expired - Lifetime
- 1988-12-20 ZA ZA889475A patent/ZA889475B/xx unknown
- 1988-12-20 US US07/287,109 patent/US4946966A/en not_active Expired - Lifetime
- 1988-12-20 AU AU27072/88A patent/AU614566B2/en not_active Ceased
- 1988-12-20 DK DK709188A patent/DK170930B1/da not_active IP Right Cessation
- 1988-12-21 JP JP63320810A patent/JP2668570B2/ja not_active Expired - Lifetime
- 1988-12-21 KR KR1019880017126A patent/KR970002873B1/ko not_active IP Right Cessation
1998
- 1998-12-16 HK HK98113610A patent/HK1012385A1/xx not_active IP Right Cessation
1999
- 1999-11-23 GR GR990403013T patent/GR3031922T3/el unknown

Also Published As

Publication number	Publication date
EP0323105A1 (en)	1989-07-05
DE3856371D1 (de)	1999-11-25
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
EP0323105B1 (en)	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
1996-03-18	B1	Patent granted (law 1993)
2009-01-19	PUP	Patent expired