Tetrahedron Letters p. 687 - 690 (1996)
Update date:2022-08-11
Topics:
Salvador
Sa E Melo
Campos Neves
The β-epoxidation of 3β-acetoxy-Δ5-unsaturated steroids has been achieved with numerous potassium permanganate-metal sulphates and nitrates with a high degree of stereoselectivity. 5β,6β-Epoxides are formed in a one step reaction in good yields and using very low cost reagents. The best results were achieved with KMnO4/Fe2(SO4)3.nH2O.
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