COMPOSES HETEROCYCLIQUES SUBSTITUES, PROCEDE POUR LEUR PREPARATION ET COMPOSITIONS PHARMACEUTIQUES LES CONTENANT

摘要

Compounds of formula (I), wherein A is a bivalent radical selected from: A1)-O-CO-, A2)-CH2-O-CO-, A3)-O-CH2-CO-, A4)-O-CH2-CH2-, A5-N(R1)-CO-, A6)-N(R1)-CO-CO-, A7)-N(R1)-CH2-CH2-, A8)-O-CH2-, where R1 is hydrogen or C1-4alkyl, and Am is a heterocyclic nitrogen ring, are provided for use as neurokinin receptor antagonists.