Tris(trimethylsilyl)silyl Radical Induced Bicyclization of 1,6-Dienes and 1,6-Enynes Providing 3,3-Bis(trimethylsilyl)-3-silabicyclooctanes and 3-Silabicyclooct-1-enes

Article abstract of DOI:10.1246/bcsj.66.2348

Treatment of 1,6-dienes with tris(trimethylsilyl)silane in the presence of Et3B or α,α'-azobis(isobutyronitrile) afforded 3,3-bis(trimethylsilyl)-3-silabicyclo<3.3.0>octanes in addition to monocyclized cyclopentanes.Bicyclization of 1,6-enynes provided th