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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 33, 2003 - Issue 3
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Original Articles

Enantioselective Epoxidation of α,β-Unsaturated Ketones by Phase-Transfer Catalysis Using Chiral Quaternary Ammonium Salts

, , , , , & show all
Pages 435-443 | Received 22 Oct 2001, Published online: 17 Aug 2006
 

Abstract

The catalytic enantioselective epoxidation promoted by quaternary ammonium salt as a phase transfer catalyst is described. Treatment chalcone derivatives with sodium hypochlorite under mild reaction conditions afforded the corresponding epoxy ketones in good yields with good to moderate enantiomeric excesses.

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