Stereoselective formation of E- or Z-exocyclic alkenes via radical cyclization reactions of acetylenic esters
作者:Timothy B. Lowinger、Larry Weiler
DOI:10.1021/jo00049a008
日期:1992.11
The intramolecular cyclization of secondary alkyl radicals with alpha,beta-alkynyl esters proceeds stereoselectively to give either E- or Z-exocyclic alkenes, depending upon the reaction conditions.