Another designer steroid: discovery, synthesis, and detection of 'madol' in urine

Madol (17α‐methyl‐5α‐androst‐2‐en‐17β‐ol) was identified in an oily product received by our laboratory in the context of our investigations of designer steroids. The product allegedly contained an anabolic steroid not screened for in routine sport doping control urine tests. Madol was synthesized by...

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Veröffentlicht in:Rapid communications in mass spectrometry 2005-01, Vol.19 (6), p.781-784
Hauptverfasser: Sekera, Michael H., Ahrens, Brian D., Chang, Yu-Chen, Starcevic, Borislav, Georgakopoulos, Costas, Catlin, Don H.
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Sprache:eng
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Zusammenfassung:Madol (17α‐methyl‐5α‐androst‐2‐en‐17β‐ol) was identified in an oily product received by our laboratory in the context of our investigations of designer steroids. The product allegedly contained an anabolic steroid not screened for in routine sport doping control urine tests. Madol was synthesized by Grignard methylation of 5α‐androst‐2‐en‐17‐one and characterized by mass spectrometry and NMR spectroscopy. We developed a method for rapid screening of urine samples by gas chromatography/mass spectrometry (GC/MS) of trimethylsilylated madol (monitoring m/z 143, 270, and 345). A baboon administration study showed that madol and a metabolite are excreted in urine. In vitro incubation with human liver microsomes yielded the same metabolite. Madol is only the third steroid never commercially marketed to be found in the context of performance‐enhancing drugs in sports. Copyright © 2005 John Wiley & Sons, Ltd.
ISSN:0951-4198
1097-0231
DOI:10.1002/rcm.1858