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Communication | Regular issue | Vol 68, No. 3, 2006, pp.459-463
Published online, 14th February, 2006
DOI: 10.3987/COM-06-10689
■ A Novel and Efficient Darzens Reaction Catalyzed by Magnesium Bromide

Shigeki Sano, Motoyuki Miyamoto, Tomoko Mitani, and Yoshimitsu Nagao*

*Faculty of Pharmaceutical Sciences, University of Tokushima, Sho-machi, Tokushima 770-8505, Japan

Abstract

The Darzens reaction of phenacyl bromide with aromatic aldehydes catalyzed by MgBr2 in the presence of an excess amount of triethylamine afforded trans-α,β-epoxy ketones in good yields.