Stereoselective Synthesis of Monofluoroalkyl α,β-Unsaturated Ketones From Allenyl Carbinol Esters Mediated by Gold and Selectfluor
作者:Zhuang Jin、Rachel S. Hidinger、Bo Xu、Gerald B. Hammond
DOI:10.1021/jo301239p
日期:2012.9.7
Allenyl carbinol ester 3 isomerizes to an E,Z mixture of the corresponding diene 2 in the presence of gold catalyst 4, but the resulting mixture yields monofluoroalkyl α,β-unsaturatedketone 1 with exclusive E selectivity and in high yields after reaction with Selectfluor.