Journal
ACS CATALYSIS
Volume 3, Issue 1, Pages 41-46Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cs300673b
Keywords
p-xylene; biomass; 2,5-dimethylfuran; ethylene; 2D-NMR; reaction network; zeolite
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Funding
- NSF [NSF MIR 0421224, CRIF MU CHE0840401, NIH P20 RR017716]
- NIH [NSF MIR 0421224, CRIF MU CHE0840401, NIH P20 RR017716]
- Catalysis Center for Energy Innovation, an Energy Frontier Research Center
- US Department of Energy, Office of Basic Energy Sciences [DE-SC0001004]
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The reaction of 2,S-dimethylfuran and ethylene to produce p-xylene represents a potentially important route for the conversion of biomass to high-value organic chemicals. Current preparation methods suffer from low selectivity and produce a number of byproducts. Using modern separation and analytical techniques, the structures of many of the byproducts produced in this reaction when HY zeolite is employed as a catalyst have been identified. From these data, a detailed reaction network is proposed, demonstrating that hydrolysis and electrophilic alkylation reactions compete with the desired Diels-Alder/dehydration sequence. This information will allow the rational identification of more selective catalysts and more selective reaction conditions.
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