NOVEL 4-(3-BENZOFURANYL)PIPERIDINYL AND 4-(3-BENZOTHIENYL)PIPERIDINYL DERIVATIVES AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM.

摘要

The invention is concerned with novel compounds of the formulathe pharmaceutically acceptable acid addition salts thereof and the stereochemically isomeric forms thereof, whereinX is oxygen or sulphur; R1 is hydrogen or halo; R2 is hydrogen, C1-4alkyl, phenylmethyl or halophenylmethyl; Alk is C1-4alkanediyl; -Z-A- is a bivalent radical selected from the group consisting of -S-CH2-CH2, -S-CH2-CH2-CH2-, -S-CH=CH-, -CH=CH-CH=CH-, -C(=CHR3)-CH2-CH2-CH2-, -CH=CH-O-, -CHR4-CH2-CH2-, -CHR4-CH2-CH2-CH2-, -CHR4-CH2-CH2-CH2-CH2-; in said bivalent radicals one hydrogen may be replaced by C1-4alkyl; R3 is phenyl or halophenyl; each R4 independently represents hydrogen, hydroxy, phenylmethyl or halophenylmethyl. Pharmaceutical compositions of said compounds and use as a medicine.