Scalable Enantioseparation of Amino Acid Derivatives Using Continuous Liquid−Liquid Extraction in a Cascade of Centrifugal Contactor Separators

Schuur, Boelo, Hallett, Andrew Jon, Winkelman, Jozef G. M., Vries, Johannes G. de and Heeres, Hero J. 2009. Scalable Enantioseparation of Amino Acid Derivatives Using Continuous Liquid−Liquid Extraction in a Cascade of Centrifugal Contactor Separators. Organic Process Research and Development 13 (5) , pp. 911-914. 10.1021/op900152e

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Abstract

Using a cascade of six centrifugal contactor separators in a countercurrent liquid−liquid extraction mode allowed the separation of one of the enantiomers of 3,5-dinitrobenzoyl-leucine in 55% yield and 98% ee using a catalytic amount of a chiral host compound based on a cinchona alkaloid. This method allows the preparation of kilograms of enantiopure material in table-top-sized equipment that can be operated in a fume cupboard. The methodology can be easily scaled up to ton amounts as large-volume centrifugal contactor separators are commercially available as well.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	ACS
ISSN:	1083-6160
Last Modified:	19 Mar 2016 22:22
URI:	https://orca.cardiff.ac.uk/id/eprint/13542

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