Benzhydryloxyethylpiperidine derivatives process for their preparation and pharmaceutical compositions in which they are present

Abstract From the Canadian patent

The invention relates to benzhydryloxyethylpiperidine derivatives corresponding to one of the formulae below:, (I), (II), in which:, - R1 R2, R3 and R4, which are identical or, different represent a hydrogen atom, a halogen atom an alkyl group, an alkoxy group, an aryloxy group or the trifluoromethyl group, - R represents hydrogen a cation, an alkyl, group, an aryl group or an arylalkyl group and, - n is equal to 0 or 1, and their pharmaceutically acceptable salts. Application: treatment of spasmodic states and allergies.