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Enantioselective syntheses Enantioselective syntheses O 0031Lipase-Catalyzed Enantioselective Acylation in a Halogen Free Ionic Liquid Solvent System. -The first successful example of a lipase-catalyzed enantioselective transesterification using imidazolium alkyl sulfate as reaction medium is described.-(ITOH*, T.; OUCHI, N.; HAYASE, S.; NISHIMURA, Y.; Chem. Lett. 32 (2003) 7, 654-655; Dep. Mater. Sci., Fac. Eng., Tottori Univ., Koyama, Tottori 680, Japan; Eng.) -F. Santoso

Lipase-catalyzed enantioselective transesterification was demonstrated using several types of imidazolium alkyl sulfate as a reaction medium. The desired optically pure acetate was successfully obtained under the conditions used, although reaction rate was inferior to that in imidazolium tetrafluoroborate.

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