6-[(Dimethylamino)methylene]amino-1,3-dimethyluracil: A versatile aza-diene substrate for cycloaddition and michael-type reactions
作者:Eileen B. Walsh、Zhu Nai-Jue、Guo Fang、Heinrich Wamhoff
DOI:10.1016/s0040-4039(00)80505-5
日期:1988.1
6-[(Dimethylamino)methylene]amino-1,3-dimethyluracil 1 undergoes formal [4+2] cycloaddition reactions with electron deficient olefins to give pyrido[2,3-d]pyrimidines. With DMAD or azodicarboxylates Michael addition occurs leading to pyrrolo[3,4-c]pyridines (X-ray analysis) and theophylline derivatives.
6-[((二甲基氨基)亚甲基]氨基-1,3-二甲基尿嘧啶1与电子不足的烯烃进行正式的[4 + 2]环加成反应,得到吡啶并[2,3-d]嘧啶。与DMAD或偶氮二羧酸酯发生迈克尔加成反应,导致吡咯并[3,4-c]吡啶(X射线分析)和茶碱衍生物。