2-Substituted Glutarimides via Preformed Wittig Reagents
作者:M. J. Wanner、G. J. Koomen
DOI:10.1055/s-1988-27558
日期:——
Triphenylphosphoranylideneacetamide (1) reacts with some Michael-acceptors to give crystalline 2-triphenylphosphoranylidene glutarimides. The Wittig reaction of 2 with several aldehydes in refluxing 1,2-dichloroethane affords the corresponding 2-alkylideneglutarimides 7 in 50-98% yield.