Issue 16, 2010
From the journal:

Dalton Transactions

Design of a well-defined, silica-supported chiral Zn scaffold for enantioselective catalysis†

Jérémy Ternel,ab   Laurent Delevoye,ab   Francine Agbossou-Niedercorn,ab   Thierry Roisnel,c   Régis M. Gauvin*ab  and  Christophe M. Thomas*d  

* Corresponding authors

a Université Lille Nord de France, France

b UCCS, UMR CNRS 8181, Cité Scientifique, BP 90108, Villeneuve d'Ascq Cedex, France
E-mail: regis-gauvin@ensc-lille.fr
Fax: +33(0)320436585
Tel: +33(0)320436754

c Centre de Diffractométrie X, Université de Rennes 1, UMR 6226 Sciences Chimiques de Rennes, Rennes Cedex, France

d Chimie ParisTech, UMR CNRS 7223, Paris, France
E-mail: christophe-thomas@chimie-paristech.fr
Fax: +33(0)143260061
Tel: +33(0)144276721

Abstract

New compound Zn[(S,S)-iPr-pybox](Et)2 (1) was fully characterized, including by X-ray diffraction structural studies. Its grafting onto partially dehydroxylated silica affords material 2, which bears well-defined chiral ([triple bond, length as m-dash]SiO)Zn[(S,S)-iPr-pybox](Et) sites. Hybrid material 2 displays significantly better catalytic performances than 1 in enantioselective silylcyanation, thus demonstrating a beneficial grafting effect.

Graphical abstract: Design of a well-defined, silica-supported chiral Zn scaffold for enantioselective catalysis

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Article information

DOI
https://doi.org/10.1039/C003552C
Article type
Communication
Submitted
24 Dec 2009
Accepted
01 Mar 2010
First published
16 Mar 2010

Dalton Trans., 2010,39, 3802-3804

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Design of a well-defined, silica-supported chiral Zn scaffold for enantioselective catalysis

J. Ternel, L. Delevoye, F. Agbossou-Niedercorn, T. Roisnel, R. M. Gauvin and C. M. Thomas, Dalton Trans., 2010, 39, 3802 DOI: 10.1039/C003552C

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