Cyclization of Alkenyl Radicals in 5- and 6-(<i>π</i>-<i>Exo</i>)-<i>exo</i>-<i>d</i><i>ig</i> Modes: New Entry to <i>Exo</i>-cyclic Dienes
作者:Chin-Kang Sha、Zhuang-Ping Zhan、Fu-Shing Wang
DOI:10.1021/ol005785s
日期:2000.7.1
Radical cyclizations of alkenyl iodides in both 5- and 6-(pi-exo)-exo-digmodes were effected by tributyltin hydride and AIBN to give exo-cyclic dienes fused to five- and six-membered rings in good yields.