Indazolyl carboxylic acid amides useful for treating migraine clusters headache, trigeminal neuralgia or emesis

US4886808A · kind A · utility

Assignee

• Beecham Group plc · GB

Inventor

• Francis D. King · Harlow, GB

Key dates

• Filing date: Mar 16, 1988
• Grant date: Dec 12, 1989
• Expiry date: Mar 16, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D453/06
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein X is CO and Y is NH; PA1 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 PA1 Z is N and R.sub.a is as defined for R.sub.3 above; PA1 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; PA1 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 poly…