The Grignard reaction of 17β-hydroxy-17α-methylestr-4-en-3-one (VIIa) in the presence of cuprous chloride gave 5β, 17α-dimethyl-17β-hydroxyestran-3-one (VIIIa) and 3, 17α-dimethylestra-3, 5-dien-17β-ol (Xa). Similarly, (VIIIb) and (Xb) were obtained by the Grignard reaction of 17β-hydroxyestr-4-en-3-one (VIIb). The oxidation of (VIIIb) with chromium trioxide gave 5β-methyl-estrane-3, 17-dione (XI). Discussion was made on the configuration of C-5 methyl group in (VIIIa) and (VIIIb).
                                    在
氯化亚铜存在下,17β-羟基-17α-甲基雌-4-烯-3-酮(VIIa)的格氏反应得到了5β,17α-二甲基-17β-羟基
雌甾-3-酮(VIIIa)及3,17α-二甲基雌-3,5-二烯-17β-醇(Xa)。同样,通过17β-羟基雌-4-烯-3-酮(VIIb)的格氏反应得到了(VIIIb)和(Xb)。(VIIIb)用
三氧化铬氧化得到5β-甲基
雌甾-3,17-二酮(XI)。文中对(VIIIa)和(VIIIb)的C-5甲基的构型作了讨论。