89549-99-5Relevant academic research and scientific papers
4-Aminouracils and Pyrimidoindolediones from 4-Azidouracils
Lapachev, Vyacheslav V.,Stadlbauer, Wolfgang,Kappe, Thomas
, p. 97 - 102 (2007/10/02)
Azidouracils (3), which are obtained from barbituric acids (1), can easily be cyclized to pyrimidoindoles (4) or converted into 4-aminouracils (6). - Keywords: 4-Azidouracil; 1H-Pyrimidoindole-2,4(3H,9H)-dione; 4-Aminouracil; 4-Phosphoranylideneaminouracil; Cyclodehydrogenation; Thermolysis
Pyrimidine Derivatives and Related Compounds. XLVI. Thermal and Photochemical Transformation of 5-Substituted 6-Azido-1,3-dimethyluracils into Fused Pyrimidines such as Isoxazolopyrimidines, Pyrazolo-pyrimidines, and Pyrimido-t
Hirota, Kosaku,Maruhashi, Kazuo,Asao, Tetsuji,Kitamura, Norihiko,Maki, Yoshifumi,Senda, Shigeo
, p. 3959 - 3966 (2007/10/02)
Thermolysis and photolysis of 6-azido-1,3-dimethyluracils possessing certain substituents (formyl, benzoyl, hydrazonomethyl, phenyl, and benzyl groups) at the 5-position provided new methods for the preparation of fused pyrimidines.Irradiation and heating
