Tetrahedron Letters p. 3511 - 3514 (1986)
Update date:2022-09-26
Topics:
Bloch, R.
Gilbert, L.
Diastereoselective aldol condensations between exo, endo and 2-methyl endo bicyclo<2.2.1>-5-hepten-2-yl ethyl ketones and aldehydes are achieved via the ketones Z-lithium enolates prepared with lithium hexamethyldisilazide.The aldols thus obtained give rise by a retro Diels-Alder reaction to syn α-methyl-β-siloxy-α'-ethylenic ketones of potential value for polyhydroxylated natural product synthesis.
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