A facile ring cleavage of cyclic ketones. Synthesis of 9-(alkoxycarbonylalkyl)pyrido[1,2-a]pyrimidines
作者:Zhi-tang Huang、Xiao-jun Wang
DOI:10.1016/s0040-4039(01)81033-9
日期:1987.1
2-(Hexahydro-2-pyrimidinylidene)cycloalkanones react with ethyl propiolate in alcoholic solution to give 9-(alkoxycarbonylalkyl)-pyrido[1,2-a]pyrimidines ring cleavage of cyclic ketones.
2-(六氢-2-嘧啶亚叉基)环烷酮在醇溶液中与丙酸乙酯反应,得到环酮的9-(烷氧基羰基烷基)-吡啶并[1,2-a]嘧啶环裂解。