期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 131, 期 21, 页码 7236-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja902799u
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资金
- Australian Research Council
A study of the reaction of PtMe2(bipy) with IPh(C CSiMe3)(OTf) at low temperature in acetone, leading to detection of the Pt-Pt-bonded cation [Pt2Me4(C CSiMe3)(bipy)(2)](+), an intermediate in the oxidation of Pt-II to Pt-IV, is reported. The cation is assessed as Pt-III-Pt-III <-> Pt-IV-Pt-II, and at the other extreme may be regarded as a cationic alkynylplatinum(IV) center, [(PtMe2)-Me-IV(C CSiMe3)(bipy)](+), stabilized by (PtMe2)-Me-II(bipy) as a donor ligand. The detection and isolation of the [Pt2Me4(C CSiMe3)(bipy)(2)](+) cation provides a number of insights into the mechanisms of oxidation reactions.
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