Synthesis of C15 and C10 fuel precursors with cyclopentanone and furfural derived from hemicellulose?
RSC Advances Pub Date: 2017-03-16 DOI: 10.1039/C7RA02396K
Abstract
Fuel precursors 2,5-bis(2-furylmethylidene)cyclopentanone (F2Cp) and 2-(2-furylmethylidene)cyclopentanone (FCp) were obtained through aldol condensation of cyclopentanone and furfural over solid acid catalysts under solvent-free conditions. Nafion exhibited the best performance among the investigated catalysts (Nafion, Amberlyst-15, Amberlyst-36, H-USY, ZSM-5, H-β, and SiO2/Al2O3). Under optimized conditions, yields of F2Cp and FCp were 37.48% and 23.77%, respectively. Selectivities of F2Cp and FCp were 50.74% and 32.18%, respectively. Nafion showed good stability and did not deactivate during 4 runs. Meanwhile, a certain amount of humin was also generated during the reaction. The reaction mechanism for the aldol condensation of cyclopentanone and furfural and the formation mechanism of humin were also proposed.
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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