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Samarium diiodide coupling of enones: a remarkable cascade sequence
Dean M Howells1, Sarah M Barker, Faye C Watson
1School of Chemistry, University of Southampton, Southampton, UK SO17 1BJ.
Organic Letters
|June 5, 2004
Abstract:
[reaction: see text] Treatment of cyclic enones with SmI(2) in THF/MeOH (4:1) led to tricyclic diol products in one step and, in the case of enone 7, gave the tetracycle 13 as a single diastereoisomer in up to 67% yield.