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Selective production of methylindan and tetralin with xylose or hemicellulose

Chemistry

Selective production of methylindan and tetralin with xylose or hemicellulose

Z. Zou, Z. Yu, et al.

This groundbreaking research conducted by Zhufan Zou, Zhenjie Yu, Weixiang Guan, Yanfang Liu, Yumin Yao, Yang Han, Guangyi Li, Aiqin Wang, Yu Cong, Xinmiao Liang, Tao Zhang, and Ning Li unveils a two-step method for the selective production of valuable bicyclic aromatics from lignocellulose. The process transforms xylose or hemicellulose into high-value compounds like methylindan and tetralin, showcasing innovative catalytic techniques and providing exciting insights for sustainable chemical production.... show more
Abstract
Indan and tetralin are widely used as fuel additives and intermediates for thermally stable jet fuel, chemicals, medicines, and shockproof agents. Herein, we disclose a two-step route to selectively produce 5-methyl-2,3-dihydro-1H-indene (methylindan) and tetralin from xylose or hemicelluloses derived from agricultural or forestry waste. First, cyclopentanone (CPO) is selectively formed with ~60% carbon yield via direct hydrogenolysis of xylose or hemicelluloses over a non-noble bimetallic Cu-La/SBA-15 catalyst. Subsequently, methylindan and tetralin are selectively produced from CPO via a cascade self-aldol condensation/rearrangement/aromatization over commercial H-ZSM-5 zeolite. Replacing CPO with cyclohexanone in the second step switches the main product to dimethyltetralin. This work provides insights into the selective production of bicyclic aromatics from lignocellulose.
Publisher
Nature Communications
Published On
May 02, 2024
Authors
Zhufan Zou, Zhenjie Yu, Weixiang Guan, Yanfang Liu, Yumin Yao, Yang Han, Guangyi Li, Aiqin Wang, Yu Cong, Xinmiao Liang, Tao Zhang, Ning Li
DOI
https://doi.org/10.1038/s41467-024-48101-x
Tags
methylindan
tetralin
xylose
hydrogenolysis
catalysis
bicyclic aromatics
cascade reactions

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