title: Totally synthetic steroid heterocycles. Part X. synthesis of racemic A-nor-3,16-dithia- and 2-methyl-A-nor-3-oxa-16-thia-D-homo-1,5(10),8,14-estratetraen-17 alpha-ols.
mesh_terms: D004963:Estrenes; D008722:Methods; D013260:Steroids, Heterocyclic / Q000138:chemical synthesis*
chemical_list: D004963:Estrenes; D013260:Steroids, Heterocyclic; C030603:2-methyl-A-nor-3-oxa-16-thia-D-homo-1,5(10),8,14-estratetraen-17-ol; C030602:A-nor-3,16-dithia-D-homo-1,5(10),8,14-estratetraen-17-ol