An efficient procedure for protection of carbonyls in Bronsted acidic ionic liquid [Hmim]BF4

被引：115
|
作者：
Wu, HH [1 ]
Yang, F [1 ]
Cui, P [1 ]
Tang, J [1 ]
He, MY [1 ]
机构：
[1] E China Normal Univ, Dept Chem, Ctr Chem Ion Liquids, Shanghai 200062, Peoples R China
来源：
TETRAHEDRON LETTERS | 2004年 / 45卷 / 25期
基金：
中国国家自然科学基金;
关键词：
protection; ionic liquid; carbonyls;
D O I：
10.1016/j.tetlet.2004.04.138
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Protection of carbonyls as acetals or ketals using Bronsted acidic ionic liquid [Hmim]BF4 as catalyst as well as solvent was investigated. Satisfactory results were obtained for the protection of carbonyls as cycloacetals or ketals with diols. The product can be separated conveniently from the reaction system, and the ionic liquid can be reused after removal of water. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4963 / 4965
页数：3
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