Synthesis of 6-substituted 5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4-diones and 2-thioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-ones
作者:A. Yu. Aksinenko、V. B. Sokolov、T. V. Goreva、T. A. Epishina、A. N. Pushin
DOI:10.1007/s11172-008-0199-0
日期:2008.7
Three-component reactions of 6-aminouracils and 6-aminothiouracils with formaldehyde and primary amines gave 6-alkyl-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4-diones and 6-alkyl-2-thioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-ones.
6-aminouracils 和 6-aminothiouracils 与甲醛和伯胺发生三组分反应,生成 6-烷基-5,6,7,8-四氢嘧啶并[4,5-d]嘧啶-2,4-二酮和 6-烷基-2-硫酮-5,6,7,8-四氢嘧啶并[4,5-d]嘧啶-4-酮。