Studies on the reactions of bis(acetylacetonato)platinum(II) with lewis bases : IV. Preparations and characterization of novel acetylacetonato complexes [Pt(C5H6O2)L2] |
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Authors: | Takashi Ito Akio Yamamoto |
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Institution: | Research Laboratory of Resources Utilization, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 227 Japan |
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Abstract: | Novel complexes Pt(C5H6O2)L2] (IVa, L = PPh3; IVb, L = PMePh2, IVc, L = PMe2Ph) were prepared by the reactions of Pt(acac)2] with tertiary phosphines either at elevated temperature (when L = PPh3) or at room temperature (L = PMePh2 and PMe2Ph), whereas AsPh3 yielded Pt(acac)(γ-acac)AsPh3] (Id) by the reaction with Pt(acac)2] even under rigorous conditions. Complexes IV were characterized on the basis of their IR and NMR spectra, elemental analyses and chemical reactions, and a structure which possesses a chelate type “acetylacetonato” ligand involving π-oxoallyl bonding is proposed. |
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