期刊
TETRAHEDRON LETTERS
卷 47, 期 11, 页码 1801-1804出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.01.017
关键词
novel ionic liquid; lipase; fluorine; enantioselective transesterification
Various types of differently fluorinated-alkyl sulfate ionic liquids have been prepared; the hydrophobicity was dependent on the content ratio of the fluorine on the alkyl sulfate anion and 2,2,3,3,4,4,5,5 -octafluoropentyl sulfate salts showed hydrophobic properties. Melting point and viscosity were also dependent on the fluorine contents of the anionic part, while conductivity was determined by the cationic part and not influenced by the fluorine contents. Efficient lipase-catalyzed transesterification was demonstrated using hydrophobic 1-butyl-3-methylimidazolim 2.2,3,3,4,4,5,5-octafluoropentyl sulfate ([bmim][C5F8]) as solvent. (c) 2006 Elsevier Ltd. All rights reserved.
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