Carbonyl Homologation via β-Trimethylsilyl β-Lactone Rearrangements. A Nonbasic Alternative to the Wittig Reaction
作者:T. Howard Black、Yong Zhang、Jianhua Huang、Douglas C. Smith、Bryan E. Yates
DOI:10.1080/00397919508010783
日期:1995.1
Saturated and unsaturated aldehydes and ketones, when treated with trimethylsilylketene and BF3 for 16 hours, form beta-lactones which spontaneously rearrange to alpha, beta-unsaturated TMS esters; these hydrolyze during workup to form the corresponding carboxylic acids.