Scheme 1.
Sequential intermolecular hydrosilylation/cross-coupling.[iv,vii] DVDS =1,3-divinyl-1,1,3,3-tetramethyldisiloxane, THF = tetrahydrofuran, dba = trans,trans-dibenzylideneacetone, TBAF = tetra-n-butylammonium fluoride, DMF = N,N-dimethylformamide, Bn = benzyl, Cp* = pentamethylcyclopentadienyl.
