Synthesis and molecular structure of the first tetranuclear copper(I) silylphosphido cluster [Cu(CyPSiMe₂PHCy)]₄

Abstract

The reaction of N,N-diethylamino(cyclohexylphosphino)dimethylsilane 1 with the benzene solvate of copper(I) trifluoromethylsulfonate furnishes the title complex 2, which has been structurally characterized by X-ray diffraction; the same product results on conversion of bis(cyclohexylphosphino)dimethylsilane 3 with copper(I) trifluoromethylsulfonate in the presence of lithium diisopropylamide as an auxilliary base.

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