Journal
CHEMSUSCHEM
Volume 11, Issue 22, Pages 3917-3922Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201802017
Keywords
butadiene; carbonylation; lignin; palladium; phenol
Funding
- Region Hauts-de-France
- ICAM-Lille
- Chevreul Institute [FR 2638]
- Ministere de l'Enseignement Superieur et de la Recherche, Region Hauts-de-France
- FEDER
- CNRS
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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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