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Issue 23, 2019
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Boosting the utilization efficiency of glucose via a favored C–C coupling reaction

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Abstract

The efficient utilization of renewable glucose has enormous potential to reduce the excessive dependence on fossil resources, but remains challenging owing to the inevitable formation of undesirable humins and multistep processes. Reported here is a new 2,4-pentanedione/H2O–NaCl biphasic system for the direct one-step conversion of glucose to high-quality fuel precursors with a high utilization efficiency of glucose (90%). The formation of humins is markedly restrained with an entirely new pathway, i.e. glucose directly reacts with 2,4-pentanedione to afford fuel precursors via several chemical transformations, which is totally different from the traditional glucose-to-fructose-to-HMF way. Control experiments and DFT calculations confirm that this new pathway is thermodynamically favorable compared with the traditional way. This simple system is also capable of converting starch to fuel precursors, paving a new way for the efficient valorization of glucose-based natural sugars.

Graphical abstract: Boosting the utilization efficiency of glucose via a favored C–C coupling reaction

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Article information


Submitted
24 Aug 2019
Accepted
23 Oct 2019
First published
31 Oct 2019

Green Chem., 2019,21, 6236-6240
Article type
Communication

Boosting the utilization efficiency of glucose via a favored C–C coupling reaction

Y. Jing, Y. Zhang, Q. Lv, Y. Guo, X. Liu and Y. Wang, Green Chem., 2019, 21, 6236
DOI: 10.1039/C9GC02987G

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