4.2 Article

L-proline-catalyzed asymmetric aldol condensation of N-substituted isatins with acetone

Journal

HETEROCYCLES
Volume 68, Issue 11, Pages 2327-2333

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-06-10856

Keywords

L-proline; aldol condensation; isatin; asymmetric catalyst

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L-proline-catalyzed asymmetric aldol condensation of several isatin derivatives with acetone is reported. The desired products were obtained in highly yield with the ee among 30-79%. The substitutes of N can deeply effect the ee value of products, and a novel mechanism is also described.

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