Abstract
A novel regioselective synthesis of a series of bis(tetrahydrobenzimidazo[2,1-b]quinazolin-1-(2H)-ones) via the reaction of bis-aldehydes with two-mole equivalents of both dimedone and benzimidazole in DMF at reflux or under the effect of microwave heating is reported.
Disclosure statement
No potential conflict of interest was reported by the author(s).