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Cited by 439

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Cycloaddition of Biomass-Derived Furans for Catalytic Production of Renewable p-Xylene

Williams, C. Luke, Chang, Chun-Chih, Do, Phuong, Nikbin, Nima, Caratzoulas, Stavros, Vlachos, Dionisios G., Lobo, Raul F., Fan, Wei, Dauenhauer, Paul J.·2012·ACS Catalysis

Abstract

A renewable route to p -xylene from biomass-derived dimethylfuran and ethylene is investigated with zeolite catalysts. Cycloaddition of ethylene and 2,5-dimethylfuran and subsequent dehydration to p -xylene has been achieved with 75% selectivity using H–Y zeolite and an aliphatic solvent at 300 °C. Competitive side reactions include hydrolysis of dimethylfuran to 2,5-hexanedione, alkylation of p -xylene, and polymerization of 2,5-hexanedione. The observed reaction rates and computed energy barriers are consistent with a two-step reaction that proceeds through a bicyclic adduct prior to dehydration to p -xylene. Cycloaddition of ethylene and dimethylfuran occurs without a catalytic active site, but the reaction is promoted by confinement within microporous materials. The presence of Brønsted acid sites catalyzes dehydration of the Diels–Alder cycloadduct (to produce p -xylene and water), and this ultimately causes the rate-determining step to be the initial cycloaddition.

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Crossref · 10.1021/cs300011a

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Metadata

Authors
Williams, C. L., Chang, C.-C., Do, P., Nikbin, N., Caratzoulas, S., Vlachos, D. G., Lobo, R. F., Fan, W., & Dauenhauer, P. J.
Venue
ACS Catalysis
Published
2012-04-26
Volume
2
Issue
6
Pages
935-939
ISSN
2155-5435 (ISSN-L)
OpenAlex
W2332824798
Cited by
439
References
1
FWCI
18.14
Type
journal article
Language
en
Open access
closed

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