Substituted heterocylic compounds, method of preparing them and pharmaceutical compositions in which they are present

摘要

The invention relates to compounds of the formulain which:A is a divalent 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-in which:R1 is a hydrogen or a (C1-C4)-alkyl; andAm is a nitrogen-containing heterocycle.