Sulfated choline ionic liquid-catalyzed acetamide synthesis by grindstone method
Sulfated choline ionic liquid-catalyzed acetamide synthesis by grindstone method
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DOI：
10.1016/j.tetlet.2017.03.023
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发表时间：
2017-04-19
影响因子：
1.8
通讯作者：
Kim, Il
中科院分区：
文献类型：
--
作者：
Kalla, Reddi Mohan Naidu;Lim, Jaehwa;Kim, Il
硫酸化胆碱离子液体（SCIL）是一种高效的固体酸离子液体催化剂，可用于无溶剂条件下醋酐保护胺基的反应。这种新的催化方法的吸引人的特点包括其可持续性，简便的后处理程序，经济可行性，和生物降解性。SCIL催化剂，其特征在于使用红外光谱，广角X-射线散射分析，扫描电子显微镜与能量色散X-射线光谱。该催化剂可重复使用6次而活性无明显损失。此外，不需要色谱分离来获得所需产物。(C)2017爱思唯尔有限公司版权所有
Sulfated choline ionic liquid (SCIL) has been found to be an efficient solid acid IL catalyst for the protection of amine groups with acetic anhydride under solvent-free grindstone conditions. The attractive features of this new catalytic methodology include its sustainability, facile work-up procedure, economic viability, and biodegradability. The SCIL catalyst was characterized using infrared spectroscopy, wide-angle X-ray scattering analysis, and scanning electron microscopy with energy dispersive X-ray spectroscopy. The catalyst could be reused six times without significant loss in activity. Furthermore, no chromatographic separations were needed to obtain the desired products. (C) 2017 Elsevier Ltd. All rights reserved.