Strong Bicyclic Guanidine Base-Promoted Wittig and Horner−Wadsworth−Emmons Reactions
作者:Daniele Simoni、Marcello Rossi、Riccardo Rondanin、Angelica Mazzali、Riccardo Baruchello、Cinzia Malagutti、Marinella Roberti、Francesco Paolo Invidiata
DOI:10.1021/ol0001665
日期:2000.11.1
[GRAPHICS]A convenient procedure to effect the Wittig and Horner-Wadsworth-Emmons reactions employs guanidine TBD and MTBD as base-promoters; mild reaction conditions, high efficiency, and facile isolation of the final products make the present methodology, at least in some cases, a practical alternative to known procedures.