Kh. Gibson et al., THE SYNTHESIS OF HETEROSUBSTITUTED BENZIMIDAZOLE DERIVATIVES WITH POTENT ANGIOTENSIN-II ANTAGONIST ACTIVITY, Bioorganic & medicinal chemistry letters, 3(6), 1993, pp. 1019-1024
The syntheses and biological activities of novel imidazo[4,5-d]pyridaz
ine and imidazo[4,5-c] pyridone derivatives are reported. These series
include analogues which have in vitro and in vivo Angiotensin II anta
gonist activities which are amongst the most potent yet recorded.