title: Heterocyclic steroids-Part-VI: Studies on the total syntheses of racemic A-nor-3-thiaestra-1,5(10),6,8,14-petraen-17(e)-ol and A-nor-3-thiaestra-1,5(10),8,14-tetraen-17(e)-ol.
mesh_terms: D004963:Estrenes / Q000138:chemical synthesis*; D007536:Isomerism; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008722:Methods; D013053:Spectrophotometry; D013260:Steroids, Heterocyclic / Q000138:chemical synthesis*
chemical_list: D004963:Estrenes; D013260:Steroids, Heterocyclic; C016017:A-nor-3-thiaestra-1,5(10),8,14-tetraen-17(e)-ol