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Report | Regular issue | Vol 6, No. 11, 1977, pp.1925-1926
Published online, 1st January, 1970
DOI: 10.3987/R-1977-11-1925
An Abnormal Formation of Oxazolo[5,4-d]pyrimidines from 6-(Benzylidine-1’-methylhydrazino)-1,3-dimethyluracils

Keitaro Senga,* Yukako Kanamori, and Sadao Nishigaki

*Pharmaceutical Institute, School of Medicine, Keio University, Shinanomachi 35, Shinjuku, Tokyo 160-0016, Japan

Abstract

Treatment of 6-(benzylidene-1’-methylhydrazino)-1,3-dimethyluracils with sodium nitrite in acetic acid gave the corresponding 2-aryl-5,7-dimethyloxazolo[5,4-d]pyrimidine-4,6(5H,7H)-diones.