期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 55, 期 -, 页码 173-182出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.06.042
关键词
Acrylates; Aldol reaction; In-situ catalysis; Ionic liquid; Reaction mechanism
资金
- National Science Fund for Excellent Young Scholars [21422607]
- National Key Projects for Fundamental Research and Development of China [2016YFB0601303]
- National Natural Science Foundation of China [21576261]
- National Natural Science Fundation of China [21676270]
- CAS/SAFEA International Partnership Program for Creative Research Teams
- foundation of NSFC-Key projects of Shanxi coal based low carbon joint fund [U1610222]
One-step synthesis of acrylates from acetates and trioxane via aldol reaction at 623 K-653 K was reported. But proceeding this process at room temperature is still a challenge due to ester activation and trioxane decomposition. Herein, series of acrylates were firstly achieved, with the one-step and in-situ catalytic strategy, from acetates (or propionates) and trioxane at 293 K. Selectivity of product reaches up to 94.4% with a 80.8% yield. H-1 NMR confirmed the soft enolization of ester, the decomposition of trioxane was catalyzed by TMSOTf, and the generated ionic liquid has catalytic performance on aldol condensation step. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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