94527-01-2Relevant articles and documents
Pyrimidine Derivatives and Related Compounds. Part 50. Photochemical Reaction of 5-Substituted 6-Azido-1,3-dimethyluracils with Nucleophiles. Ring Transformation of Pyrimidine to 1,3,5-Triazepine and Hydantoin Ring Systems
Hirota, Kosaku,Maruhashi, Kazuo,Kitamura, Norihiko,Asao, Tetsuji,Senda, Shigeo
, p. 1719 - 1723 (1984)
Photolysis of 5-substituted 6-azidouracil derivatives in the presence of nucleophiles has been studied.Irradiation of 5-alkyl-6-azidouracils (3) in the presence of amines caused a ring expansion to give 1,3,5-triazepine derivatives (7).Photolysis of 6-azi