PRODUCTION OF PARA-XYLENE BY CATALYTICALLY REACTING 2,5-DIMETHYLFURAN AND ETHYLENE IN A SOLVENT
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United States of America Patent
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Issued Date -
Oct 2, 2014
app pub date -
Mar 31, 2014
filing date -
Apr 1, 2013
priority date (Note) -
Abandoned
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Abstract
The present invention provides a renewable route to para-xylene via cycloaddition of ethylene and 2,5-dimethylfuran and subsequent dehydration with high selectivity and high yields using acidic heterogeneous catalysts and a solvent for 2,5-dimethylfuran. The use of a solvent shows significant effects in the reduction of competing side reactions including hydrolysis of 2,5-dimethylfuran to 2,5-hexanedione, alkylation of p-xylene, and polymerization of 2,5-hexanedione.
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