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Synfacts 2007(10): 1106-1106  
DOI: 10.1055/s-2007-968968
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart · New York

Immobilized Palladium and Gold Complexes for C-C Coupling

Contributor(s): Yasuhiro Uozumi, Hiroe Takenaka
A. Corma*, C. GonzÁlez-Arellano, M. Iglesias, S. PÉrerez-Ferreras, F. Sánchez
Instituto de Tecnología Química, ValÈncia, Instituto de Ciencia de Materiale de Madrid and Instituto de Quimica Organica, Madrid, Spain
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Publication Date:
07 November 2007 (online)

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Significance

Corma and co-workers reported the development of heterogeneous C-C coupling catalysis with Pd and Au complexes bound to inorganic supports. Carbene-Pd and -Au complexes (Pd-1 and Au-1) were immobilized onto amorphous silica, mesoporous MCM, and delaminated zeolite ITQ via silanol tethers to form Pd-1 and Au-1/sil, MCM, ITQ, respectively. Schiff base complexes Pd-2 and Au-2 were also immobilized onto the inorganic supports. The catalytic activity of the immobilized Pd-1 and Au-1 was examined for the Suzuki-Miyaura coupling of PhI with ArB(OH)2, through which MCM-41 was identified to be an effective support matrix.