Abstract
Jet fuel range branched cycloalkanes with high density (0.82 g mL−1) and low freezing point (217–219 K) was first prepared by the solvent-free intramolecular aldol condensation of the trione from the hydrolysis of the alkylation product of mesityl oxide and 2-methylfuran (or the one-pot reaction of mesityl oxide, 2-methylfuran and water), followed by hydrodeoxygenation (HDO).
Highlights
In recent years, the synthesis of jet fuel range hydrocarbons with the lignocellulose derived platform compounds has drawn tremendous attention[1,2,3,4,5,6,7,8,9,10,11,12,13]
Mesityl oxide is the self aldol condensation product of acetone from the acetone-butanol-ethanol (ABE) fermentation of lignocellulose20,21. 2-Methylfuran (2-MF) is the selective hydrogenation product of furfural which has been manufactured on industrial scale by the hydrolysis-dehydration of the hemicellulose part of agriculture waste and forest residue[22,23]
A new route for the synthesis of jet fuel range branched cycloalkanes with high density and low freezing point was developed by the solvent-free intramolecular aldol condensation of the trione from the hydrolysis of the alkylation product of mesityl oxide and 2-MF, followed by hydrodeoxygenation (HDO)
Summary
The synthesis of jet fuel range hydrocarbons with the lignocellulose derived platform compounds has drawn tremendous attention[1,2,3,4,5,6,7,8,9,10,11,12,13]. A new route for the synthesis of jet fuel range branched cycloalkanes with high density and low freezing point was developed by the solvent-free intramolecular aldol condensation of the trione from the hydrolysis of the alkylation product of mesityl oxide and 2-MF, followed by hydrodeoxygenation (HDO) (see Fig. 1). Among the Brφnsted acids investigated in this work, HCl exhibited the highest activity and selectivity for the hydrolysis of compound 1 (see Fig. 2).
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