Quinolyl propyl piperidine derivatives, the preparation thereof and compositions containing same

Abstract From the Canadian patent

Quinolyl propyl piperidine deriviatives of general formula (I) wherein R1 is an H or halogen atom or OH NH2, alkylylamino, dialkylamino, hydroxyamino alkyloxyamino ou alkylol alkyloxy amino R2 represents COOH, carboxymethyl or hydroxymethyl R3 is alkyl (1 - 6 carbon atoms) substituted by phenylthio which can include 1 - 4 substituents chosen from halogen OH, alkyl, alkyloxy, trifluoromethyl, trifluoromethoxy carboxy, alkyloxycarbonyl, cyano or NH2 by a cycloalkylthio radical (3 - 7 membered) or by an aromatic heterocyclylthio radical which is 5 - 6 membered comprising 1 - 4 heteroatoms chosen from nitrogen oxygen or sulphur and itself optionally substituted by halogen OH, alkyl, alkyloxy, …