STEREOCHEMICAL OUTCOME OF THE REACTION OF SOME α-SELENOALKYLLITHIUMS WITH 4-t-BUTYL CYCLOHEXANONE
α-selenoalkyllithiums were found to have a high propensity to add to 4-t-butyl cyclohexanone in an equatorial mode.Stereochemical assignments are discussed.
Labar, D.,Krief, A.,Norberg, B.,Evrard, G.,Durant, F.
p. 1083 - 1100
(2007/10/02)
NEW METHOD FOR THE RING ENLARGEMENT OF CYCLIC KETONES
A simple two step procedure which allows the ring 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.
Labar, D.,Laboureur, J. L.,Krief, A.
p. 983 - 986
(2007/10/02)
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