Tetrahedron Letters p. 1505 - 1508 (1986)
Update date:2022-07-29
Topics:
Kpegba, Kafui
Metzner, Patrick
Rakotonirina, Rose
Cis lithium enethiolates, generated from substituted dithioesters, undergo 1,4-addition with various β-monosubstituted α-unsaturated ketones.With acyclic enones one of the two resulting diastereomeric 5-oxodithioesters is predominantly formed (ratio up to 95 : 5).Its anti configuration was proven by chemical correlation in one case.Evidence for the stereospecificity of this Michael addition is given.
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