Arylalkyl(thio)amides their process for preparing them and pharmaceutical compositions containing them

摘要

Compounds of formula (I): in which - A represents a -CH2-CH2- chain which is unsubstituted or substituted by a lower alkyl, - R1 represents a hydrogen atom or a lower alkyl, - R2 represents a hydrogen atom, a halogen atom or a lower alkyl, - R5 represents a hydrogen atom or a lower alkyl, - R6 represents a group in which X represents a sulphur or oxygen atom. The compounds of the invention had a remarkable activity on the melatoninergic system. They are therefore candidates for the treatment of disorders of the melatoninergic system.