A Highly Stereospecific Synthesis of (E)-α,β-Unsaturated Esters.

Deb K. Barma,Asish Kundu,Anish Bandyopadhyay,Abhijit Kundu,Bhavani Sangras,Anne Briot,Charles Mioskowski,J. R. Falck

ChemInform（2004）

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摘要

Abstract CrCl2-induced olefination of aldehydes using methyl dichloroacetate exclusively generates (E)-α,β-unsaturated esters in excellent yields. The intermediate α-chloro-β-hydroxy adducts could also be isolated in good yields under conditions of limited reagent.

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