A variety of quinazolinone derivatives were successfully synthesized,
via a three-component condensation reaction between anthranilic
acid, acetic anhydride, and amines. This process was accomplished
in the presence of catalytic amount of titanium dioxide nanoparticles
(nano-TiO2), under solvent-free conditions. The synthesized
compounds were evaluated for their vasorelaxant activity as they
revealed a range of activities on the isolated thoracic rat aorta.
quinazolinone - multicomponent reaction - TiO2 nanoparticles - heterogeneous catalyst - vasorelaxant activity