title: Steroids and related products. XXXV. The synthesis of 11-oxa steroids. II.
mesh_terms: D003500:Cyclization; D005260:Female; D006868:Hydrolysis; D007259:Infrared Rays; D007664:Ketosteroids / Q000138:chemical synthesis; D007783:Lactones / Q000138:chemical synthesis; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008745:Methylation; D009654:Norsteroids / Q000138:chemical synthesis; D009904:Optical Rotation; D010060:Ovulation / Q000187:drug effects; D010084:Oxidation-Reduction; D011278:Pregnanes / Q000138:chemical synthesis*; D011374:Progesterone / Q000138:chemical synthesis* / Q000494:pharmacology; D012632:Secosteroids / Q000138:chemical synthesis; D013057:Spectrum Analysis; D013150:Spirostans / Q000138:chemical synthesis; D014466:Ultraviolet Rays
chemical_list: D007664:Ketosteroids; D007783:Lactones; D009654:Norsteroids; D011278:Pregnanes; D012632:Secosteroids; D013150:Spirostans; D011374:Progesterone