期刊
TETRAHEDRON LETTERS
卷 53, 期 32, 页码 4245-4247出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.06.025
关键词
Ionic liquids; Catalysts; Maleimides; Heat resistant polymers
资金
- Ministry of Science and Technology of China [2010BAK67B12, 2011ZX02703]
Seven maleimide derivatives were synthesized in good yields and high purity from the corresponding maleamic acids using a Bronsted acidic room temperature ionic liquid (RTIL) as a catalyst. The products were obtained through merely a decanting and removal of the solvent, suggesting that this procedure is superior to the conventional routes, in which the strong organic/inorganic acids were used as the catalysts, as well as a complicated post-processing procedure for the separation and purification of the products was employed. (C) 2012 Elsevier Ltd. All rights reserved.
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