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Journal of the Brazilian Chemical Society

Print version ISSN 0103-5053On-line version ISSN 1678-4790

Abstract

CASTELANI, Priscila  and  COMASSETO, João V.. Substitution reaction between functionalized Z-vinylic tellurides and lower order cyanocuprates: synthesis of Z or E a,b unsaturated esters using the same Z-vinylic telluride. J. Braz. Chem. Soc. [online]. 2004, vol.15, n.4, pp.461-463. ISSN 0103-5053.  http://dx.doi.org/10.1590/S0103-50532004000400002.

A reação de substituição entre cianocupratos de ordem inferior e teluretos vinílicos funcionalizados Z foi estudada. Cetonas cíclicas a,b-insaturadas foram obtidas em excelentes rendimentos. Mudanças nas condições da reação forneceram ésters a,b-insaturados com alta diastereosseletividade.

Keywords : tellurides; cyanocuprates; a,b-unsaturated esters; a,b-unsaturated ketones; diastereoselective synthesis.

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