Synthesis of 4H??3, 1??benzoxazin??4??ones and 4??(3H) quinazolinones from anthranilic acids and their derivatives by the use of triphenyl phosphite and pyridine

G Rabilloud, B Sillion

Index: Journal of Heterocyclic Chemistry, , vol. 17, # 5 p. 1065 - 1068

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Citation Number: 29

Abstract

... At the end of the reac- tion, more than 90% of the starting compounds were recovered with only 5 to 10% of the expected heterocycles 4a and 4b. ... Pofym. Sci., Part C, 22, 827 (1969). (6) WLF Amarego, "Heterocyclic Compounds, Fused Pyrimidines, Part I ... (7) LA Errede, J. Org. ...