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Communications • J. Braz. Chem. Soc. 15 (4) • Aug 2004 • https://doi.org/10.1590/S0103-50532004000400002   copy

Substitution reaction between functionalized Z-vinylic tellurides and lower order cyanocuprates: synthesis of Z or E alpha,beta unsaturated esters using the same Z-vinylic telluride

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The substitution reaction between lower order cyanocuprates and functionalized Z-vinylic tellurides was investigated. alpha,beta-Unsaturated carbonyl compounds were obtained in excellent yields. Changes in the reaction conditions afforded alpha,beta-unsaturated esters in high diastereoselectivity.

tellurides; cyanocuprates; alpha,beta-unsaturated esters; alpha,beta-unsaturated ketones; diastereoselective synthesis

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