A process for the preparation of derivatives zodiacepina imidazolidinyl

摘要

Imidazo-diazepine cpds. of formula (I) and their pharmaceutically acceptable salts are new. A completes (a)-(d); R1=5-6 membered aromatic heterocycle or -C(R6)=N-OR7; R2=H and R3=H or lower alkyl, or together they are (CH2)2, (CH2)3 or propylene; R4 and R5=H, halo, CF3, NO2, NH2 or lower alkyl; R6=H or lower alkyl; R7=lower alkyl; the ring atom 3 can have S or R,S-configuration when R2+R3 are (CH2)2, (CH2)3 or propylene.