title: 9(10 leads to 19)abeo steriods.  Total synthesis of abeo-estradiol, abeo-estradiol 3-methyl ether, and 17 alpha-ethynyl abeo-estradiol 3-methyl ether.
mesh_terms: D004958:Estradiol / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D004997:Ethinyl Estradiol / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D008722:Methods; D008738:Methyl Ethers / Q000138:chemical synthesis; D009654:Norsteroids / Q000138:chemical synthesis*
chemical_list: D008738:Methyl Ethers; D009654:Norsteroids; D004997:Ethinyl Estradiol; D004958:Estradiol; C023709:abeo-estradiol