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- Title
Ionic liquids as the catalysts for asymmetric reactions.
- Authors
Dąbrowski, Zbigniew; wiśniewska, Anna; Kulig-Adamiak, Anna; Kamiński, Jarosław; Cybulski, Jacek
- Abstract
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 ¹HNMR, 13CNMR and 19FNMR. This chiral ionic liquids have been applied as efficient catalysts for Michael addition of cyclohexanone to nitroalkenes.
- Subjects
IONIC liquids; CATALYSTS; CHEMICAL reactions; ENANTIOSELECTIVE catalysis; PYRROLIDINE; SPECTRUM analysis; NITROALKENES; CYCLOHEXANONES
- Publication
Polimery, 2012, Vol 57, Issue 5, p375
- ISSN
0032-2725
- Publication type
Article
- DOI
10.14314/polimery.2012.375