The reaction of  3-alpha-acetoxy-4-alpha, 5-alpha-epoxy-cholestane (I) with methyllithium and with methylmagnesium iodide.
D055598:Chemical Phenomena; D002621:Chemistry; D004988:Ethers, Cyclic; D007454:Iodides; D008094:Lithium; D008274:Magnesium; D009942:Organometallic Compounds / Q000819:agonists; D013256:Steroids
D004988:Ethers, Cyclic; D007454:Iodides; D009942:Organometallic Compounds; D013256:Steroids; C520093:methyllithium; D008094:Lithium; D008274:Magnesium