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Serving leading biopharmaceutical companies globally:

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Generated: November 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,886,808

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Summary for Patent: 4,886,808

Title: Indazolyl carboxylic acid amides useful for treating migraine clusters headache, trigeminal neuralgia or emesis
Abstract:Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein X is CO and Y is NH; Z is NR.sub.3 wherein R.sub.3 is hydrogen, C.sub.1-6 alkyl, C.sub.3-7 alkenyl-methyl, phenyl or phenyl C.sub.1-4 alkyl either of which phenyl moieties may be substituted by one or two of halogen, CF.sub.3, C.sub.1-6 alkoxy or C.sub.1-6 alkyl; and R.sub.a is not present; or Z is N and R.sub.a is as defined for R.sub.3 above; R.sub.b is present when X-Y-R.sub.2 is attached at the phenyl ring and is selected from hydrogen, halogen, CF.sub.3, hydroxy, C.sub.1-6 alkoxy or C.sub.1-6 alkyl; R.sub.1 is hydrogen, halogen, CF.sub.3, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-7 acyl, C.sub.1-7 acylamino, C.sub.1-6 alkylsulphonylamino, N(C.sub.1-6 alkylsulphonyl)-N-C.sub.1-4 alkylamino, C.sub.1-6 alkylsulphinyl, hydroxy, nitro or amino, aminocarbonyl, aminosulphonyl, aminosulphonylamino or N-(aminosulphonyl)-C.sub.1-4 alkylamino optionally N-substituted by one or two groups selected from C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkyl C.sub.1-4 alkyl, phenyl or phenyl C.sub.1-4 alkyl groups or optionally N-disubstituted by C.sub.4-5 polymethylene; R.sub.2 is a group of formula (a) ##STR2## wherein n is 2 or 3; and R.sub.4 is C.sub.1-7 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkyl-C.sub.1-2 alkyl, or a group (CH.sub.2).sub.t R.sub.6 where t is 1 or 2 and R.sub.6 is thienyl, pyrrolyl or furyl optionally substituted by one or two substituents selected from C.sub.1-6 alkyl, C.sub.1-6 alkoxy, trifluoromethyl or halogen, or is phenyl optionally substituted by one or two substituents having 5-HT antagonist activity and/or gastric motility enhancing activity.
Inventor(s): King; Francis D. (Bishop's Stortford, GB2)
Assignee: Beecham Group p.l.c. (Brentford, GB2)
Application Number:07/171,141
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

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Foreign Priority and PCT Information for Patent: 4,886,808

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8510752Apr 27, 1985
United Kingdom8525913Oct 21, 1985

International Patent Family for Patent: 4,886,808

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0261964► Subscribe
Canada1296004► Subscribe
Czechoslovakia9103323► Subscribe
Czech Republic286325► Subscribe
Cyprus1721► Subscribe
Germany3650772► Subscribe
Germany3687080► Subscribe
Denmark191186► Subscribe
Denmark170166► Subscribe
European Patent Office0200444► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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Serving leading biopharmaceutical companies globally:

Express Scripts
Federal Trade Commission
US Department of Justice
US Army
Argus Health

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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