Novel cage polycarbosilanes. Preparation and characterization of dodecamethyl-2,3,5,6,7,8-hexasilabicyclo[2.2.2]octane and its derivatives

Article abstract of DOI:10.1246/cl.1998.1145

2,2,3,3,5,5,6,6,7,7,8,8-Dodecamethyl-2,3,5,6,7,8-hexasilabicyclo[2.2.2] octane (1) was synthesized for the first time via three steps in 56% overall yield through triple silylation with three dichlorodimethyldisilane molecules of two trianionic molecules