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

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

* , ,  and
Received: 27 April 2012; in revised form: 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
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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.

AMA Style

Haraguchi N, Ahamed P, Parvez MM, Itsuno S. Synthesis of Main-Chain Chiral Quaternary Ammonium Polymers for Asymmetric Catalysis Using Quaternization Polymerization. Molecules. 2012; 17(6):7569-7583.

Chicago/Turabian Style

Haraguchi, Naoki; Ahamed, Parbhej; Parvez, Md. Masud; Itsuno, Shinichi. 2012. "Synthesis of Main-Chain Chiral Quaternary Ammonium Polymers for Asymmetric Catalysis Using Quaternization Polymerization." Molecules 17, no. 6: 7569-7583.



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