
																
																	Tetrahydroquinazoline-substituted chromones from Diels-Alder reaction of (E)-2-styrylchromones and pyrimidine ortho-quinodimethane
																
																
																
															Keywords: Tetrahydroquinazolines; Cycloadditions; 2-Styrylchromones; Pyrimidine ortho-quinodimethane; NMR;