Synthesis of Homoallyl Selenides and Sulfides by Allylation of α‐Seleno‐ and α ‐Thioalkyllithiums in the Presence of Copper(I) Salts

Israel Journal of Chemistry - Tập 24 Số 2 - Trang 125-133 - 1984
M. Clarembeau1, J. L. Bertrand1, Alain Krief1
1Facultés Universitaires Notre-Dame de la Paix Department of Chemistry 61, rue de Bruxelles, B-5000 - Namur Belgium

Tóm tắt

Abstract

New species, detected by 77Se NMR, are formed on mixing α‐selenoalkyllithium compounds and CuI/SMe2. These species decompose at −40° to olefins 8 but can be allylated in high yield at −100°. Similar reactions are observed with thio‐analogues.

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