4-乙基苯酚和苯甲醇烷基化反应制备高密度航油前驱体

陈美梅; 陈淑钿; 简雅婷; 谢君; 余强

doi:doi:10.19912/j.0254-0096.tynxb.2024-1970

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4-乙基苯酚和苯甲醇烷基化反应制备高密度航油前驱体

更新时间：2026-04-08

- 4-乙基苯酚和苯甲醇烷基化反应制备高密度航油前驱体
- Vol. 47, Issue 3, Pages: 481-487(2026)
- 作者机构：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1970
  CLC： TK6
- Online First：07 April 2026，
  
  Published：2026
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陈美梅, 陈淑钿, 简雅婷, et al. 4-乙基苯酚和苯甲醇烷基化反应制备高密度航油前驱体[J]. 2026, 47(3): 481-487.
DOI：

陈美梅, 陈淑钿, 简雅婷, et al. 4-乙基苯酚和苯甲醇烷基化反应制备高密度航油前驱体[J]. 2026, 47(3): 481-487. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1970.

摘要

以木质素主要解聚产物4-乙基苯酚和苯甲醇为反应底物

乙酸-氯化胆碱低共熔溶剂与Amberlyst-15离子交换树脂耦合构建烷基化催化体系制备高密度航油前驱体

考察反应温度、反应时间、低共熔溶剂物质的量之比、催化剂添加量及底物物质的量之比对其烷基化效果的影响。结果表明：在苯甲醇与4-乙基苯酚物质的量之比为1∶1、氯化胆碱/乙酸物质的量之比1∶6及5%（以质量分数计） Amberlyst-15添加量下

在170 ℃反应4 h

可实现较高的苯甲醇转化率（94.89%）和4-乙基苯酚转化率（80.78%）。同时

产物4-α-肉桂苯酚（C15-1）和邻异丙苯基苯酚（C15-2）的总选择性及收率分别达到74.58%和60.24%。

Abstract

4-ethylphenol and benzyl alcohol

the main depolymerization products of lignin

were used as reaction substrates to prepare high-density jet fuel precursor in an alkylation catalytic system coupled by acetic acid-choline chloride （Aa-ChCl） deep eutectic solvent and Amberlyst-15 ion exchange resin. The effects of reaction temperature

reaction time

molar ratio of the deep eutectic solvent components

catalyst amount and substrate molar ratio on alkylation were investigated. The results showed that a high conversion rates of benzyl alcohol （94.89%） and 4-ethylphenol （80.78%） were achieved at 170 ℃ over 4 hours with a molar ratio of benzyl alcohol to 4-ethylphenol of 1∶1 in an optimized system （Aa-ChCl at a molar ratio of 1：6 and an addition of 5% Amberlyst-15）. Meanwhile

the total selectivity and yield of 4-α-cinnamophenol （C） and o-isopropylphenol （C） could reach 74.58% and 60.24%

respectively.

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