Synthesis of ethyl 4-oxo-3,4-dihydro[1]benzofuro[3,2- d]-pyrimidine-2-carboxylate and its derivatives

Abstract

The synthesis of ethyl 4-oxo-3,4-dihydro[1]benzofuro[3,2-d]pyrimidine-2-carboxylates was developed to modify the benzofuro-[3,2-d]pyrimidine heterocyclic system.