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Download fileSynthesis of Dinuclear Complexes Bearing Metalloporphyrin−Phosphine Hybrid Ligands and Their Catalytic Activity toward Hydrosilylation of Ketones
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posted on 2004-08-16, 00:00 authored by Makoto Saito, Yoshiaki Nishibayashi, Sakae UemuraA new type of metalloporphyrin−phosphine hybrid ligand (1) has been designed and
synthesized. Reactions of some transition metal complexes such as PdCl2, PtCl2, and [RhCl(CO)2]2 with a zinc porphyrin−phosphine ligand (1; M1 = Zn) afford the corresponding
dinuclear complexes (2) bearing the hybrid ligand. The zinc porphyrin−phosphine compound
(1; M1 = Zn, R = Ph) has been found to work as an effective ligand for Rh(I)- or Ir(I)-catalyzed
hydrosilylation of ketones to give the corresponding alcohols after acid hydrolysis.