Preparation of Polystyrylviologen Resins and Their Application as Electron-Transfer Catalysts in the Reduction of 2-Chloronitrobenzene

Abstract

Abstract: Anew method for preparing polystyrylviologen resins was reported in this paper.The polystyrylviologen resins were obtained by the reactions of chloromethylated polystyrenewith 4,4'-bipyridine,then with benzyl chloride.The obtained resins were used as electron-transfer catalysts in the reduction of 2-chloronitrobenzene.Experimental results showed thatthe resins with viologen moieties have abilities to mediate the reduction of 2-chloroni-trobenzene at room temperature,affording 2-chloroaniline,and the structure of the resinscan also affect their electron-transfer catalytic activities. The resins can be reused.

Key words: Polystyrylviologen resin, Electron-transfer catalyst, Reduction, 2-Chloroni-trobenzene

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LIU Fu-Tian, LI Hong, HE Bing-Lin. Preparation of Polystyrylviologen Resins and Their Application as Electron-Transfer Catalysts in the Reduction of 2-Chloronitrobenzene[J]. Chem. J. Chinese Universities, 1996, 17(1): 142.

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Preparation of Polystyrylviologen Resins and Their Application as Electron-Transfer Catalysts in the Reduction of 2-Chloronitrobenzene

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