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Report | Regular issue | Vol 19, No. 6, 1982, pp.1079-1082
Published online, 1st January, 1970
DOI: 10.3987/R-1982-06-1079
A New and Facile Synthesis of 5-Arylpyrimidines and 4-Arylpyrazoles

Shinzo Kano, Yoko Yuasa, Shiroshi Shibuya, and Satoshi Hibino

*School of Pharmacy, Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan


A condensation of 2-aryl-3-(methylthio)acroleins (3a) -(3e), a new masked form of arylmalondialdehydes, with amidines yielded the corresponding 5-arylpyrimidines (4a)-(4k). Similarly, the reaction of 3 with N-substituted hydrazines gave the corresponding 1-substituted 4-arylpyrzolones (5a) - (5j).