Use of ionic liquids as solvents for epoxidation reactions catalysed by a chiral Katsuki-type salen complex: enhanced reactivity and recovery of catalyst

Smith, Keith, Liu, Shifang and El-Hiti, Gamal A. 2004. Use of ionic liquids as solvents for epoxidation reactions catalysed by a chiral Katsuki-type salen complex: enhanced reactivity and recovery of catalyst. Catalysis Letters 98 (2-3) , pp. 95-101. 10.1007/s10562-004-7921-9

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Abstract

The Katsuki-type catalyst 2 has been recycled several times following its use in a model epoxidation reaction of 1,2-dihydronaphthalene in an ionic liquid, 3a or 3b. The enantioselectivity was comparable to that in dichloromethane, but recovery of the catalyst was easier, activity was higher, and activity and enantioselectivity were retained in recovered ionic liquid fractions to a much greater extent than those for the Jacobsen-type catalyst 1.

Item Type:	Article
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Uncontrolled Keywords:	Ionic liquids; Katsuki-type chiral catalyst; Two-phase systems; Epoxidation; 1,2-dihydronaphthalene
Publisher:	Springer Verlag
ISSN:	1011-372X
Last Modified:	04 Jun 2017 02:51
URI:	https://orca.cardiff.ac.uk/id/eprint/12710

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