Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
A Catalytic Asymmetric Michael Reaction of Silyl Enol Ethers with α,β-Unsaturated Ketones Using a Chiral Titanium Oxide
Shu KobayashiShinji SudaMasaaki YamadaTeruaki Mukaiyama
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1994 Volume 23 Issue 1 Pages 97-100

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Abstract

In the presence of a catalytic amount of [(R)-1,1′-bi-2-naphthalenediolato(2-)-O,O′]oxotitanium, silyl enol ethers of thioesters reacted with α,β-unsaturated ketones to afford the corresponding Michael adducts (1,5-dicarbonyl compounds) in high yields with moderate to high enantiomeric excesses.

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© 1994 The Chemical Society of Japan
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