Unpublished conference/Abstract (Scientific congresses and symposiums)
Recent advances in the synthesis of aliphatic polyesters by “click” chemistry
Riva, Raphaël; Jérôme, Christine; Jérôme, Robert et al.
2008NATO Advanced Study Intstitute (ASI), New Smart Materials via metal mediated macromolecular engineering: from complex to nano structures
 

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Keywords :
ring-opening polymerization (ROP); lactone; click chemistry; copper-mediated Huisgen's cycloaddition; polymer functionalization
Abstract :
[en] Since the discovery of Sharpless and Meldal, the copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) is more and more popular in the field of macromolecular engineering owing to its robustness, its high tolerance to a wide range of functional groups without any need of protecting groups and the absence of side-products. This reaction is known to be a very efficient “click” reaction as defined by Sharpless. The chemical modification of aliphatic polyesters remains, at the time being, a very difficult task to achieve because of the very limited number of efficient chemical reactions, which can be implemented in the absence of chain degradation. The main purpose of this contribution is to report on the most recent advances on the use of CuAAC to derivatize aliphatic polyesters (Scheme 1). Interestingly enough, it was recently shown that CuAAC carried out onto aliphatic polyesters attached with either azides or alkynes is very efficient under mild conditions, which limit undesirable degradation. Several functional groups were grafted onto aliphatic polyesters by CuAAC without using any protection/deprotection reactions. The CuAAC is also very efficient to prepare aliphatic polyesters with various architectures as highlighted by the synthesis of graft copolymers, star-shaped copolymers and networks. This “click” chemistry has been combined with other polymerization mechanism such as ATRP in order to extend further the range of available polymers.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Riva, Raphaël ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Christine  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Lecomte, Philippe  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Recent advances in the synthesis of aliphatic polyesters by “click” chemistry
Publication date :
11 September 2008
Event name :
NATO Advanced Study Intstitute (ASI), New Smart Materials via metal mediated macromolecular engineering: from complex to nano structures
Event organizer :
Khosravi Ezat
Yagci Yusuf
Savelyev Yuri
Event place :
Antalya, Turkey
Event date :
1/09/2008 - 12/09/2008
By request :
Yes
Audience :
International
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Commentary :
This oral communication was presented by Philippe Lecomte
Available on ORBi :
since 03 September 2009

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