High Electrophilicity at Silicon in η<sup>3</sup>-Silane σ-Complexes: Lewis Base Adducts of a Silane Ligand, Featuring Octahedral Silicon and Three Ru–H–Si Interactions

Mark C. Lipke; T Don Tilley

doi:10.1021/ja207169e

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T Don Tilley

University of California, Berkeley

High Electrophilicity at Silicon in η<sup>3</sup>-Silane σ-Complexes: Lewis Base Adducts of a Silane Ligand, Featuring Octahedral Silicon and Three Ru–H–Si Interactions

Article 2011 en

Authors

ML
Mark C. Lipke
T Don Tilley
University of California, Berkeley

Abstract

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New η(3)-silane σ-complexes [PhBP(Ph)(3)]RuH(η(3)-H(2)SiRR') (RR' = PhMe, Ph(2)) were synthesized. Lewis bases [THF, 4-(dimethylamino)pyridine, and PMe(3)] coordinate to the silicon centers of these complexes to form stable adducts. The base adducts, [PhBP(Ph)(3)]Ru(μ-H)(3)SiRR'(base), feature three nonclassical Ru-H-Si interactions and hexacoordinate silicon centers, as determined by multinuclear NMR spectroscopy, X-ray crystallography, and computational investigations.

High Electrophilicity at Silicon in η<sup>3</sup>-Silane σ-Complexes: Lewis Base Adducts of a Silane Ligand, Featuring Octahedral Silicon and Three Ru–H–Si Interactions

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