Reaction of silyl ketene acetals with N-trimethylsilyl imines: a route to N-unsubstituted azetidin-2-ones
作者:Ernest W. Colvin、Daniel G. McGarry
DOI:10.1039/c39850000539
日期:——
Reaction of N-trimethylsilyl imines with silyl ketene acetals in the presence of ZnI2 and t-butyl alcohol, followed by treatment in situ of the intermediate N-silyl β-aminoesters with MeMgBr, leads to N-unsubstituted azetidin-2-ones in good yield.
在ZnI 2和
叔丁醇存在下,N-三甲基甲
硅烷基
亚胺与甲
硅烷基烯酮
缩醛反应,然后用MeMgBr原位处理中间的N-甲
硅烷基β-
氨基酯,生成N-未取代的氮杂
环丁烷-2-酮良品率高。