Scheme 3From: Organocatalysis in heterocyclic synthesis: DABCO as a mild and efficient catalytic system for the synthesis of a novel class of quinazoline, thiazolo [3,2-a]quinazoline and thiazolo[2,3-b] quinazoline derivatives Synthesis and the mechanistic pathway for the thiazolo[3,2- a ]quinazoline derivatives 9. Back to article page