Cadmium chloride–magnesium–water: a new system for regioselective transformation of conjugated nitroalkenes to ketocompounds; conversion of 6-nitro-Δ5-steroids to 6-ketosteroids
Abstract
Reaction of 6-nitro-Δ5-steroids and nitroalkenes in tetrahydrofuran with CdCl2–Mg–H2O furnished 6-ketosteroids and ketocompounds, respectively, in good yield.