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Molecules 2012, 17(6), 7569-7583; doi:10.3390/molecules17067569

Synthesis of Main-Chain Chiral Quaternary Ammonium Polymers for Asymmetric Catalysis Using Quaternization Polymerization

Department of Environmental and Life Sciences, Graduate School of Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tenpaku-cho, Toyohashi, Aichi 441-8580, Japan
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Received: 27 April 2012 / Revised: 4 June 2012 / Accepted: 13 June 2012 / Published: 19 June 2012
(This article belongs to the Special Issue Asymmetric Catalysis)
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Abstract

Main-chain chiral quaternary ammonium polymers were successfully synthesized by the quaternization polymerization of cinchonidine dimer with dihalides. The polymerization occurred smoothly under optimized conditions to give novel type of main-chain chiral quaternary ammonium polymers. The catalytic activity of the polymeric chiral organocatalysts was investigated on the asymmetric benzylation of N-(diphenylmethylidene)glycine tert-butyl ester.
Keywords: chiral polymer; quaternization polymerization; organocatalysis; cinchona alkaloid; quaternary ammonium salt chiral polymer; quaternization polymerization; organocatalysis; cinchona alkaloid; quaternary ammonium salt
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MDPI and ACS Style

Haraguchi, N.; Ahamed, P.; Parvez, M.M.; Itsuno, S. Synthesis of Main-Chain Chiral Quaternary Ammonium Polymers for Asymmetric Catalysis Using Quaternization Polymerization. Molecules 2012, 17, 7569-7583.

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