Reaction of excess hydrated tin(II) chloride with 6-nitro-Î5-steroids (1aâg) and (5) in tetrahydrofuran furnishes 5α-hydroxy-6-ketosteroids (2aâg) and (6) respectively, in good yields.
过量
水合
氯化亚锡与6-硝基-Δ5-甾体(1a-g)及(5)在
四氢呋喃中的反应,分别以良好产率得到5α-羟基-6-酮甾体(2a-g)及(6)。