title: Studies directed toward synthesis of quassinoids VIII synthesis and X-ray structure of 3 alpha-acetoxy 7 alpha, 15 alpha-oxido-16-oxa-5 beta, 14 beta-androstan-17-one.
mesh_terms: D000732:Androstanols / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D013058:Mass Spectrometry; D013260:Steroids, Heterocyclic / Q000138:chemical synthesis*; D014961:X-Ray Diffraction
chemical_list: D000732:Androstanols; D013260:Steroids, Heterocyclic; C036418:3-acetoxy-7,15-oxido-16-oxaandrostan-17-one