Zwitterionic λ5Si-Silicates with an SiS4C or SiS2O2C Skeleton, Compounds Containing a Square-Pyramidal or Trigonal-Bipyramidal Si-Coordination Polyhedron
Organometallics2005Vol. 24(24), pp. 6059–6062
Citations Over TimeTop 22% of 2005 papers
Abstract
Treatment of [2-(dimethylamino)phenyl]silane (8) with 2 molar equivs of benzene-1,2-dithiol or 2-mercaptoacetic acid yields bis[benzene-1,2-dithiolato(2−)][2-(dimethylammonio)phenyl]silicate (6) and [2-(dimethylammonio)phenyl]bis[2-mercaptoethanoato(2−)-O,S]silicate (7), respectively. The zwitterionic λ5Si-silicates were structurally characterized by solid-state NMR spectroscopy (13C, 15N, 29Si) and single-crystal X-ray diffraction. Compound 6 is the first zwitterionic λ5Si-silicate with Si−S bonds that contains a square-pyramidal Si-coordination polyhedron.
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