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Synfacts 2010(5): 0599-0599
DOI: 10.1055/s-0029-1219746
DOI: 10.1055/s-0029-1219746
Organo- and Biocatalysis
© Georg Thieme Verlag
Stuttgart ˙ New York
An Ionic Network as Catalyst for Asymmetric Benzylation
S. Itsuno*, D. K. Paul, M. A. Salam, N. Haraguchi
Toyohashi University of Technology, Japan
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
22. April 2010 (online)
![](https://www.thieme-connect.de/media/synfacts/201005/lookinside/thumbnails/10.1055-s-0029-1219746-1.jpg)
Significance
The authors report the synthesis of binuclear cinchonidinium-based catalysts, such as 1, and their subsequent incorporation into ionic networks 2. These chiral ionic polymers were obtained by counter-anion exchange of the monomeric binuclear species with 2,6-naphthalene-disulfonates. The assembled high molecular weight catalysts, with an impressively high average molecular weight, proved to be very efficient for the asymmetric benzylation of N-diphenylmethyl-ideneglycine tert-butyl ester.