Nitrogen-containing organosilicon compounds. 150. Synthesis and chromatographic and 1H, 13C, 15N, and 29Si NMR spectroscopic investigation of substituted (piperidinoalkyl)silanes

Selective Si−C Bond Cleavage as Synthetic Entry to a Functionalized Lithiosilane

Treatment of the phenyl-substituted silane 4 with lithium metal afforded the functionalized lithiosilane rac-2 by selective cleavage of one Si-C bond between silicon and a phenyl group. The resulting lithiosilane rac-2 crystallizes as the dimer (2.THF)2, which represents the first example of a dimeric organyl-substituted lithiosilane in the presence of THF.