N-substituted piperid-4-yl benzamide compounds and 1-substituted-4-amino-piperidine compounds

Abstract From the Canadian patent

Substituted benzamides of the general formula I I, in which:, R represents an alkoxy, alkenyloxy or alkynyloxy group containing up to 7 carbon atoms in the group Rl is hydrogen or a NR4R5, or NR6COR7 group where R4, R5, and R6, which may be the same or different is each, hydrogen or an alkyl group and R7 is an alkyl or trifluoromethyl group, R2 is hydrogen, halogen or a nitro, or sulphamoyl group, R3 represents hydrogen or a methyl or methoxy group X represents a hydrocarbon chain containing 1 to 4 carbon atoms, one of which may optionally be replaced by an oxygen atom, Y represents a non-aromatic cyclic ether or a non-aromatic - 2 -, cyclic thioether group and pharmaceutically acceptable …