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Carbon–Silicon Bond Activation by [Pd(I t Bu) 2 ] – the Molecular Structures of [Pd(Me 3 Si)(I t Bu)(μ‐I)] 2 and [Pd(CH 2 I t Bu)I 2 ]
Author(s) -
Esposito Oriana,
Roberts Deborah E.,
Cloke F. Geoffrey N.,
Caddick Stephen,
Green Jennifer C.,
Hazari Nilay,
Hitchcock Peter B.
Publication year - 2009
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200801151
Subject(s) - chemistry , oxidative addition , silicon , carbon fibers , oxidative phosphorylation , medicinal chemistry , stereochemistry , crystallography , catalysis , organic chemistry , biochemistry , materials science , composite number , composite material
The reaction of Me 3 SiCH 2 I with [Pd(I t Bu) 2 ] (I t Bu = 1,3‐di‐ tert ‐butyl‐imidazol‐2‐ylidene) results, not in simple oxidative addition, but in carbon–silicon bond activation and formation of [Pd(Me 3 Si)(I t Bu)(μ‐I)] 2 ( 2 ) and [Pd(CH 2 I t Bu)I 2 ] ( 3 ). The zwitterionic nature of the latter has been confirmed by DFT studies, and a possible mechanism for the formation of these two unexpected products is presented. Complex 2 has also been synthesised independently by the direct oxidative addition of Me 3 SiI to [Pd(I t Bu) 2 ].(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)