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Insight in chitosan aerogels derivatives -Application in catalysis

Abstract : Thanks to an aerogel formulation, an efficient heterogeneous modification of chitosan is described and offers the convenient covalent-functionalisation of primary amine of insoluble microspheres into secondary benzylic-amines with various functionalities. The SEC, XRD and textural analyses provided a better insight into the chitosan aerogels and showed that this synthetic process allows high substitution ratio (> 80%) without depressing the desirable properties of the well-defined chitosan macromolecular structure. As a proof of principle, original catalytic chitosan aerogels flanked by a phosphine-pendant were prepared and applied successfully in the heterogenous pallado-catalyzed allylic substitution reaction.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02376706
Contributor : Jean-François Brière <>
Submitted on : Friday, November 22, 2019 - 5:03:54 PM
Last modification on : Thursday, July 2, 2020 - 3:19:22 AM

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Ronan Le Goff, Olivier Mahé, Ronan Le Coz-Botrel, Sylvie Malo, Jean-Michel Goupil, et al.. Insight in chitosan aerogels derivatives -Application in catalysis. Reactive and Functional Polymers, Elsevier, 2020, 146, pp.104393. ⟨10.1016/j.reactfunctpolym.2019.104393⟩. ⟨hal-02376706⟩

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