EP0204285A1 — Imidazoheterocyclic compounds processes for preparation thereof and pharmaceutical compositions comprising them

USPTO Abstract

Imidazoheterocyclic compounds of the formula: <CHEM> wherein R<1> is lower alkenyl, lower alkynyl, lower alkadienyl, lower alkenyloxy (lower) alkyl, lower alkynyloxy(lower)alkyl, carboxy(lower)alkynyloxy(loweralkyl or protected carboxy(lower)alkynyloxy(lower)alkyl, R<2> is hydrogen, lower alkyl or aryl, R<3> is ar(lower)alkyl which may have one or more suitable substituent(s), ar(lower)alkenyl, condensed bicyclic hydrocarbon group, lower alkyl having cyclo(lower)alkyl or lower alkyl, X is O or NH, and Y is CH or N and a pharmaceutical acceptable salt thereof, processes for their preparation and pharmaceutical compositions comprising them as an active ingredient.