Facile and efficient chemical functionalization of aliphatic polyesters by cross metathesis

Lucie Fournier 1 Carine Robert 1 Sylvie Pourchet 2 Alice Gonzalez 3, 1 Lewis Williams 3 Joëlle Prunet 3, * Christophe M. Thomas 1, *
* Auteur correspondant
1 IRCP - Institut de Recherche de Chimie Paris
2 ICMUB - Institut de Chimie Moléculaire de l'Université de Bourgogne [Dijon]
3 WestCHEM
Abstract : An effective preparation of new tailor-made macromolecular materials via a combination of two (atom-efficient) catalytic transformations is reported. First, new aliphatic polyesters with alternated composition have been prepared using a salen aluminum catalyst system. Next, the pendant vinyl moieties in those copolymers have been selectively transformed into various functional groups by metathesis in the presence of homogeneous Grubbs catalysts. The latter metathesis reaction has been optimized in terms of catalytic activity and selectivity, to define the conditions for an effective and safe procedure that does not affect the macromolecular architecture. All polymer materials have been analyzed by H-1, and C-13 NMR spectroscopy, to diagnose the catalyst selectivities in the copolymerization and metathesis processes.
Keywords : molecular-weight poly(l-lactide) ring-opening copolymerization phosphate-buffered solution in-vivo degradation biodegradable polymers enzymatic degradation renewable resources acid) microspheres cyclic anhydrides plga microspheres
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01404194
Contributeur : Icmub - Université de Bourgogne <>
Soumis le : lundi 28 novembre 2016 - 14:49:17
Dernière modification le : jeudi 5 décembre 2019 - 11:58:08

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UNIV-BOURGOGNE | CNRS | ENSCP | INC-CNRS | PSL | PARISTECH | ICMUB

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Lucie Fournier, Carine Robert, Sylvie Pourchet, Alice Gonzalez, Lewis Williams, et al.. Facile and efficient chemical functionalization of aliphatic polyesters by cross metathesis. Polymer Chemistry, Royal Society of Chemistry - RSC, 2016, 7 (22), pp.3700 - 3704. ⟨10.1039/c6py00664g⟩. ⟨hal-01404194⟩

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