5α-cholesta-8,14-dien-3β-ol 、 氯甲酸乙酯 在
ice 、 乙醇 作用下,
以
甲苯 、 吡啶 为溶剂,
反应 22.58h,
以to give 0.505 g of the title compound, which的产率得到3β-Ethoxycarbonyloxy-5α-cholesta-8,14-diene
Compounds of Formula I and methods of regulating the meiosis in a mammalian germ cell which method comprises administering an effective amount of the compound of Formula I to a germ cell in need of such a treatment.