IMIDAZOHETEROCYCLIC COMPOUNDS AND PROCESSES FOR PREPARATION THEREOF

摘要

Imidazoheterocyclic compounds of the formula: wherein R1 is lower alkenyl, lower alkynyl, lower alkadienyl, lower alkenyloxy(lower)alkyl, lower alkynyloxy(lower)alkyl, carboxy(lower)alkynyloxy(lower)alkyl or protected carboxy(lower)alkynyloxy (lower)alkyl, R2 is hydrogen, lower alkyl or aryl,R3 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 salts thereof have antiulcerative activity.