Journal of Organometallic Chemistry p. 21 - 32 (1982)
Update date:2022-08-25
Topics:
Helmer, Bradley J.
West, Robert
Co-condensation of five equivalents Me2SiCl2 and one equivalent RR'SiCl2 with lithium provides the five- and six-membered rings RR'Si(Me2Si)4 and RR'Si(Me2Si)5.This method provides a direct route to the phenyl substituted methylcyclopolysilanes (R,R'=Me, Ph) which can be used for further functionalization of the silicon rings.It also provides several new sterically hindered methylcyclopolysilanes (R,R'=Ph, Ph; Me, t-Bu) which could not be synthesized by the conventional demethylation routes.These products have all been isolated and characterized by their ultraviolet, 1H-, 13C- and 29Si-NMR spectra.
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