Tetrahedron Letters

New method for the ring enlargement of cyclic ketones

D Labar, JL Laboureur, A Krief

文献索引：Labar, D.; Laboureur, J. L.; Krief, A. Tetrahedron Letters, 1982 , vol. 23, # 9 p. 983 - 986

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被引用次数: 22

摘要

Abstract A simple two step procedure which allows thering enlargement of cyclic ketones is disclosed which takes advantage of the high nucleophilicity of α-selenoalkyllithiums towards carbonyl compounds and of a novel transposition reaction which occurs on the resulting β- hydroxyselenides.