67405-27-0Relevant articles and documents
Ring Transformation of Pyrimidines. Synthesis of 4-Alkylaminopyridin-2-ones by Alkaline Hydrolysis of 6-(2-Dimethylaminovinyl)uracils
Hirota, Kosaku,Abe, Yoshio,Asao, Tetsuji,Senda, Shigeo,Kitade, Yukio,Maki, Yoshifumi
, p. 985 - 990 (2007/10/02)
Alkaline hydrolysis of 1,3-disubstituted 6-(2-dimethylaminovinyl)uracils 2 induced a novel ring transformation giving 4-alkylaminopyridin-2-ones 3 via ring-opening and ring-closure processes.The 4-methylamino-3-nitropyridin-2-one (3a) thus obtained was employed for the synthesis of 3-deazahypoxanthine derivative 8. 4-Alkylamino-3-cyanopyridin-2-ones 11, ricinine analogs, were also prepared by the reaction of 4-chloro-3-cyano-1-methylpyridin-2-one (10) with amines.