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Review | Regular issue | Vol 9, No. 1, 1978, pp.29-31
Published online, 1st January, 1970
DOI: 10.3987/R-1978-01-0029
New Synthesis of Pyrimido[5,4-e]-as-triazines by the Reaction of 6-Hydrazino-1,3-dimethyl-5-nitrosouracil with Benzylidenetriphenylphosphoranes

Keitaro Senga,* Misuzu Ichiba, Yukako Kanamori, and Sadao Nishigaki

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

Abstract

Treatment of 6-hydrazino-l,3-dimethyl-5-nitrosouracil with benzylidenetriphenylphosphoranes gave the corresponding 3-arylfervenulins (3-aryl-6,8-dimethylpyrimido[5,4-e]-as-triazine-5,7(6H,8H)-diones).