A sulfonyl radical induced addition-cyclization reaction of vinylcyclopropane and 1,6-diene by using allylsulfone as sulfonyl radical precursor to give functionalized cyclopentane is described.
CHUANG, CHE-PING;NGOI, TAK HO JOHNNY, TETRAHEDRON LETT., 30,(1989) N6, C. 6369-6370