Abstract
The reaction of the stable N-heterocyclic silylene [CH{(C═CH2)(CMe)(2,6-iPr2C6H3N)2}Si] (1) with triphenylsilanol and pentafluorophenol in a 1:2 molar ratio resulted in quantitative yields of the pentacoordinate silicon-containing compounds [CH{(CMe)2(2,6-iPr2C6H3N)2}Si(H){OSiPh3}2] (2) and [CH{(CMe)2(2,6-iPr2C6H3N)2}Si(H){OC6F5}2] (3), respectively. Compounds 2 and 3 were formed by O–H bond activation of triphenylsilanol and pentafluorophenol. They were characterized by elemental analysis, NMR spectroscopy, and EI-MS spectrometry. In their solid-state structures the silicon atom is tetracoordinate in 2, whereas it is pentacoordinate in 3.
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