Paper

Dalton Trans., 2009, 9794 - 9799, DOI: 10.1039/b916488j

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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

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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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