Article Dans Une Revue ChemSusChem Année : 2018

The Palladium-Catalyzed Carbonylative Telomerization Reaction with Phenols, Polyphenols and Kraft Lignin

Résumé

An efficient carbonylative coupling reaction of two equivalents of 1,3-butadiene, yielding aryl nona-3,8-dienoate esters, is performed with phenols as nucleophile, and promoted by palladium-based catalysts. Optimization study reveals the key role of benzoic acid as a cocatalyst. The suggested catalyst combination enables the conversion of a wide scope of variously substituted phenols into corresponding esters with a high yield. Further tests were performed with diphenols, naturally-occurring phenols and an industrial grade Kraft lignin, thus, indicating the scope of this reaction for transforming industrially relevant polyphenolic structures.

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hal-02107989 , version 1 (05-12-2023)

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Clément Dumont, Frederic Belva, Régis M. Gauvin, Mathieu Sauthier. The Palladium-Catalyzed Carbonylative Telomerization Reaction with Phenols, Polyphenols and Kraft Lignin. ChemSusChem, 2018, 11 (22), pp.3917-3922. ⟨10.1002/cssc.201802017⟩. ⟨hal-02107989⟩
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