2-((4-Piperidyl)methyl)-1,2,3,4-tetrahydroisoquinoline derivatives, their preparation and their application in therapy

US4885302A · kind A · utility

Inventors

• Pascal George · Rambouillet, FR
• Mireille Sevrin · Paris, FR
• Christian Maloizel · Meudon, FR

Key dates

• Filing date: Aug 5, 1988
• Grant date: Dec 5, 1989
• Expiry date: Aug 5, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D409/14
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A compound of formula (I) ##STR1## in which R is (a) a hydrogen atom; PA1 (b) a linear or branched (C.sub.1 -C.sub.6) alkyl group; an allyl group; a cycloalkylmethyl group in which the cycloalkyl moiety has from 3 to 6 carbon atoms; a phenylmethyl group unsubstituted or substituted with one to three substituents chosen from halogen atoms and trifluoromethyl, nitro, amino, dimethylamino, cyano, aminocarbonyl, linear or branched (C.sub.1 -C.sub.3) alkyl, linear or branched (C.sub.1 -C.sub.3) alkoxy and linear or branched (C.sub.1 -C.sub.3) alkylthio groups; a 2-phenylethyl group; a 3-phenylpropyl group; a 3-phenyl-2-propenyl group; a phenylcarbonylmethyl group; a naphthylmethyl group; a pyridylmethyl group; a furylmethyl group; or a thienylmethyl group; or PA1 (c) a linear or branched (C.sub.2 -C.sub.6) alkanoyl group; a cycloalkylcarbonyl group in which the cycloalkyl moiety has from 3 to 6 carbon atoms; a trifluoroacetyl group; a phenyl-carbonyl group unsubstituted or substituted with one to three substituents chosen from halogen atoms and trifluoromethyl, nitro, linear or branched (C.sub.1 -C.sub.3) alkyl, linear or branched (C.sub.1 -C.sub.3) alkoxy and linear or branched (C.sub.…