5-aryl-substituted-2,3-dihydro-imidazo[1,2-a]furo- and thieno pyridines

摘要

The invention discloses certain 5-aryl-substituted,2,3-dihydro-imidazo[1,2-a]furo- and thieno pyridines useful as PAF receptor antagonists and for treating tumors, pharmaceutical compositions containing said compounds as an active ingredient thereof and a method of using such compositions for inhibiting PAF-mediated bronchoconstriction and extravasation, for controlling hyperreactive airways, for protecting against endotoxin-induced hypotension and death and for treating tumors.