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Norrish-Prins reaction as a key step in the synthesis of 14\u03b2-hydroxy-5H\u03b1 (or 5H\u03b2 or \u03945,6)-pregnane derivatives, Steroids, submitted."},{"key":"10.1016\/j.steroids.2011.03.014_bib0095","unstructured":"CCDC-817804 contains the supplementary crystallographic data for the spiro-derivative 11. These data can be obtained free of charge from The Cambridge Crystallographic Data Center via www.ccdc.cam.ac.uk\/data_request\/cif."},{"key":"10.1016\/j.steroids.2011.03.014_bib0100","unstructured":"Van Heerden et al. (see Ref. [5a]) reported the NMR data for isoramanone (3\u03b2, 12\u03b2, 14\u03b2-trihydroxy-pregn-5-en-20-one; 17-H\u03b1: 3.598ppm) and for ramanone (17-H\u03b2: 3.339ppm). Compound 12 corresponds to the 3\u03b2-acetoxy derivative of isoramanone (17-H: 3.61ppm): thus, it is reasonable to postulate that compound 12 and isoramanone present the same configuration at position 17, that is H\u03b1. For compound 13, the chemical shift for H-17 is 3.15ppm and for Hoodigogenin, H\u03b1-17 is 3.12ppm (configuration secured by X-ray analysis): thus, it is reasonable to postulate that compound 13 present the same configuration as Hoodigogenin, that is H\u03b1-17."},{"key":"10.1016\/j.steroids.2011.03.014_bib0105","unstructured":"The 1H and 13C NMR spectra of Hoodigogenin A were fully described in Refs. [7] and [9] and our data are in full agreement with the reported data."},{"key":"10.1016\/j.steroids.2011.03.014_bib0110","unstructured":"CCDC-795873 contains the supplementary crystallographic data for Hoodigogenin A. These data can be obtained free of charge from The Cambridge Crystallographic Data Center via www.ccdc.cam.ac.uk\/data_request\/cif."},{"key":"10.1016\/j.steroids.2011.03.014_bib0115","unstructured":"Geoffroy P, Ressault B, Miesch M. Proc\u00e9d\u00e9 de synth\u00e8se de st\u00e9roides. French Patent Application N\u00b010\/03194, 29\/07\/2010."}],"container-title":["Steroids"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0039128X11001127?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0039128X11001127?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2018,12,3]],"date-time":"2018-12-03T09:24:25Z","timestamp":1543829065000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0039128X11001127"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,6]]},"references-count":33,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2011,6]]}},"alternative-id":["S0039128X11001127"],"URL":"https:\/\/doi.org\/10.1016\/j.steroids.2011.03.014","relation":{},"ISSN":["0039-128X"],"issn-type":[{"value":"0039-128X","type":"print"}],"subject":[],"published":{"date-parts":[[2011,6]]}}}