%0 Journal Article %T Synthesis of Novel Quinazoline Derivatives via Pyrimidine ortho-Quinodimethane %A R. Chioua %A F. Benabdelouahab %A M. Chioua %A R. Mart¨ªnez-Alvarez %A A. Herrera Fern¨¢ndez %J Molecules %D 2002 %I MDPI AG %R 10.3390/70700507 %X The [4+2] cycloaddition between 2,4-diphenylpyrimidine ortho-quinodimethane and dimethyl acetylenedicarboxylate leads to 2,4-diphenylquinazoline-6,7-dicarboxylate (6). 2,4-Diphenylfuro[3,4-g]quinazoline-6,8-dione (7) is also obtained by basic hydrolysis of compound 6, followed by the closure of the resulting diacid in acetic anhydride. %K [4+2] Cycloaddition %K Diels-Alder adduct %K dimethyl 2 %K 4-diphenylquinazoline dicarboxylate %U http://www.mdpi.com/1420-3049/7/7/507