title: Reaction of 24,28-epoxides of sterol side chain with boron trifluoride etherate.
mesh_terms: D001880:Boranes; D055598:Chemical Phenomena; D002621:Chemistry; D004988:Ethers, Cyclic; D013261:Sterols; D013329:Structure-Activity Relationship
chemical_list: D001880:Boranes; D004988:Ethers, Cyclic; D013261:Sterols