Issue 10, 2009
From the journal:

Green Chemistry

First example of “click” copper(i) catalyzed azide-alkynecycloaddition in supercritical carbon dioxide: application to the functionalization of aliphatic polyesters

Bruno Grignard,a   Stephanie Schmeits,a   Raphaël Riva,a   Christophe Detrembleur,a   Philippe Lecomtea  and  Christine Jérôme*a  

* Corresponding authors

a Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman, B6a, Liège, Belgium
E-mail: c.jerome@ulg.ac.be
Fax: (+32) 43663491, (+32)4-3663497
Tel: (+32)4-3663491

Abstract

The modification of aliphatic polyesters by the copper(I) catalyzed azide-alkyne cycloaddition (CuAAC) was successfully implemented in supercritical carbon dioxide (scCO2). Due to the remarkable properties of scCO2, the CuAAC reaction turned out to be quantitative even though the aliphatic polyesters used in this work were insoluble in scCO2 Interestingly enough, the conditions were mild enough to prevent polymer degradation from occurring and finally, efficient removal of the catalyst (>96%) was achieved by scCO2extraction.

Graphical abstract: First example of “click” copper(i) catalyzed azide-alkyne cycloaddition in supercritical carbon dioxide: application to the functionalization of aliphatic polyesters

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Article information

DOI
https://doi.org/10.1039/B822924D
Article type
Communication
Submitted
24 Dec 2008
Accepted
21 Jul 2009
First published
18 Aug 2009

Green Chem., 2009,11, 1525-1529

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First example of “click” copper(I) catalyzed azide-alkyne cycloaddition in supercritical carbon dioxide: application to the functionalization of aliphatic polyesters

B. Grignard, S. Schmeits, R. Riva, C. Detrembleur, P. Lecomte and C. Jérôme, Green Chem., 2009, 11, 1525 DOI: 10.1039/B822924D

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