Ionic liquids as the catalysts for asymmetric reactions

被引：4
|
作者：
Dabrowski, Zbigniew [1 ]
Wisniewska, Anna [1 ]
Kulig-Adamiak, Anna [1 ]
Kaminski, Jaroslaw [1 ]
Cybulski, Jacek [1 ]
机构：
[1] Ind Chem Res Inst, Dept Fine Chem, PL-01793 Warsaw, Poland
来源：
POLIMERY | 2012年 / 57卷 / 05期
关键词：
chiral ionic liquids; asymmetric synthesis; Michael addition; imidazole; pyrrolidine; enantioselectivity; MICHAEL-ADDITION; RECYCLABLE ORGANOCATALYST; SUPPORTED ORGANOCATALYST; PROCHIRAL KETONES; AMINO-ACID; EFFICIENT; PROLINE; DESIGN;
D O I：
10.14314/polimery.2012.375
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A new 7 functionalized chiral ionic liquids (CILs) based on pyrrolidine have been synthesized from (S)-proline as a main substrat. The obtained compounds have 1-[(S)-(pyrrolidin-2-yl)methyl]-3-alkylimidazolium cation and bis(trifluoromethylsulfonyl)imide and hexafluorophosphate anions. The structures of the obtained catalysts were determined by spectroscopic analysis H-1 NMR, C-13 NMR and F-19 NMR. This chiral ionic liquids have been applied as efficient catalysts for Michael addition of cyclohexanone to nitroalkenes.
引用
收藏
页码：375 / 381
页数：7
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