Radical cyclisations of methylenecyclopropane derivatives
作者:Christine Destabel、Jeremy D Kilburn、John Knight
DOI:10.1016/s0040-4039(00)93404-x
日期:1993.5
Radicalcyclisations of various methylenecyclopropane derivatives have been studied and it has been found that methylenecyclopropyl propyl radicals undergo exclusive 5-exo cyclisation while methylenecyclopropyl butyl radicals give a mixture of products resulting from 6-exo and 7-endo cyclisation. Attempted cyclisations of methylenecyclopropyl pentyl radicals leads to reduced products only.