he reaction of [PdCl2(PCy2H)2] (1) with sodium phenoxide gives, depending on the stoichiometries, the dimers [Pd(mu-PCy2)Cl(PCy2H)]2 (2) or [Pd(mu-PCy2)(PCyOPh)]2 (3). Complex 2 was shown to be an intermediate in the conversion of 1 to 3, which probably occurs with the transfer of a proton from the secondary phosphine to the palladium center, assisted by the phenoxide ion. Elimination of molecular hydrogen and formation of the P-O bonds gives then complex 3.

Synthesis and Structure of [Pd(mu-PCy2)(PCy2OPh)]2; Palladium Assisted P-O Bond Formation from Secondary Phosphines and the Phenoxide Ion

PASQUALI, MARCO;LEONI, PIERO;
1994

Abstract

he reaction of [PdCl2(PCy2H)2] (1) with sodium phenoxide gives, depending on the stoichiometries, the dimers [Pd(mu-PCy2)Cl(PCy2H)]2 (2) or [Pd(mu-PCy2)(PCyOPh)]2 (3). Complex 2 was shown to be an intermediate in the conversion of 1 to 3, which probably occurs with the transfer of a proton from the secondary phosphine to the palladium center, assisted by the phenoxide ion. Elimination of molecular hydrogen and formation of the P-O bonds gives then complex 3.
Sommovigo, M; Pasquali, Marco; Leoni, Piero; Englert, U.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/204145
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