Migrations in a Polysilyl Complex of Rhodium. Trapping of an Apparent Silylene Intermediate and Observation of Reversible Si−Si Bond Reductive Elimination — Gregory P. Mitchell (1996) | RDL Network
Migrations in a Polysilyl Complex of Rhodium. Trapping of an Apparent Silylene Intermediate and Observation of Reversible Si−Si Bond Reductive Elimination
Reaction of (Me3P)3RhCl with (THF)3LiSi(SiMe3)3 in the presence of 2-butyne or diphenylacetylene generates (Me3P)2(Me3Si)RhSiMe2C(R)C(R)SiMe(SiMe3) (1, R = Me; 2, R = Ph). These complexes undergo a fluxional process which exchanges the SiMe3 groups, apparently by Si−Si bond reductive elimination/oxidative addition.
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