VINYLCYCLOPENTENE SYNTHESIS VIA PHENYLTHIO RADICAL CATALYZED ADDITION OF ELECTRON DEFICIENT ALKYNES TO SUBSTITUTED VINYLCYCLOPROPANES

Article abstract of DOI:10.1016/S0040-4039(01)93486-0

Treatment of either t-butyl ester- or benzylether-substituted vinylcyclopropanes with an excess of ester- or sulfone-bearing alkynes in the presence of phenylthio radical in benzene afforded moderate yields of functionalized vinylcyclopentene products as