Radical cascade reactions of methylenecyclopropane derivatives - Synthesis of cis-fused bicyclo-3.4.0-nonanes and bicyclo-4.4.0-decanes

Article abstract of DOI:10.1016/S0040-4039(98)01188-5

1,2 Disubstituted methylenecyclopropyl bromides, 6 and 11, undergo radical cascade reactions, involving cyclisation, ring-opening and further cyclisation, to give cis bicyclic products in 67% and 41% yields respectively.