A novel ring transformation of 5-nitrouracils into 5-carbamoyluracils the retro-michael reaction
作者:Kosaku Hirota、Yukio Kitade、Shigeo Senda
DOI:10.1016/s0040-4039(01)82921-x
日期:1981.1
Treatment of 1,3-disubstituted 5-nitrouracils (5) with malonamide in ethanolic sodium ethoxide caused a ringtransformation to afford 1-substituted 5-carbamoyluracils (6) in good yields.