Silica- and polymer-supported platinum(II) polypyridyl complexes: synthesis and application in photosensitized oxidation of alkenes

Ke Feng; Ming-Li Peng; Deng-Hui Wang; Li-Ping Zhang; Chen-Ho Tung; Li-Zhu Wu

doi:10.1039/B916488J

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Dalton Transactions

Issue 44, 2009

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Silica- and polymer-supported platinum(II) polypyridyl complexes: synthesis and application in photosensitized oxidation of alkenes

Ke Feng , Ming-Li Peng , Deng-Hui Wang , Li-Ping Zhang , Chen-Ho Tung and Li-Zhu Wu

Dalton Trans., 2009, 9794-9799

DOI: 10.1039/B916488J
Received 11 Aug 2009, Accepted 10 Sep 2009
First published on the web 29 Sep 2009

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Square-planar polypyridine platinum(II) complexes have been introduced into a silica/polymer matrix by covalent ligand modification. The photophysical properties of the supported matrices are well retained as their model complexes, and the quantum yields for singlet oxygen (¹O₂) generation are comparable with that of TPP (tetraphenylporphyrin) under similar conditions. A preliminary application in photosensitized oxidation indicates the silica/polymer-supported matrices are promising, which can be reused without loss of reactivity by a simple filtration. Moreover, the polymer-supported matrix exhibits excellent compatibility in various solvents.

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ESR spectra of nitroxide radical generated by irradiation ofthe oxygen saturated TMP solution in the presence ofsensitizers
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Articles By

Ke Feng
Ming-Li Peng
Deng-Hui Wang
Li-Ping Zhang
Chen-Ho Tung
Li-Zhu Wu

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Dalton Transactions

Silica- and polymer-supported platinum(II) polypyridyl complexes: synthesis and application in photosensitized oxidation of alkenes

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