UN PROCEDIMIENTO PARA LA PREPARACION DE NUEVAS-N-HETEROCICLIL-4-PIPERIDINAMINAS.

摘要

Novel N-heterocyclyl-4-piperidinamines of formula …… wherein L is a radical of formula …… Het-Alk- (b-5); (lower alkenyl)-Y<1>-Alk- (b-6); or Ar-Alk- (b-7); the pharmaceutically acceptable acid addition salts and possible stereochemically isomeric forms thereof, which compounds are anti-allergic agents, pharmaceutical compositions containing such compounds as an active ingredient and processes for preparing the said compounds and compositions.