Journal of Organic Chemistry p. 4596 - 4598 (1993)
Update date:2022-08-10
Topics:
Shi, Xiao-Xin
Dai, Li Xin
The reactions of various stabilized ester enolates of 2-keto, 2-(alkoxycarbonyl), 2-phosphoryl, and 2-(benzenesulfonyl) esters with cupric chloride or cupric bromide have been examined.The reactions lead to 2-halo esters in good to excellent yields under mild condition.Enolates which contain an unsaturated functionality such as a double bond, a triple bond, or an allylic or a benzylic moiety react with high chemoselectivity.
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