4.4 Article

An amine sulfonamide organocatalyst for promoting direct, highly enantioselective α-aminoxylation reactions of aldehydes and ketones

Journal

TETRAHEDRON LETTERS
Volume 45, Issue 39, Pages 7235-7238

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2004.08.029

Keywords

asymmetric catalysis; aldehydes; ketones; alpha-aminoxylation; pyrrolidine sulfonamide

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A novel, pyrrolidine sulfonamide-based organocatalyst has been developed and used to catalyze direct, efficient alpha-aminoxylation reactions of aldehydes and ketones with excellent regio- and en antioselectivities. Unlike L-proline, the new catalyst exhibits high activity and enantioselectivity when used in a variety of organic solvents. (C) 2004 Elsevier Ltd. All rights reserved.

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