Ketosteroid
A ketosteroid, or an oxosteroid, is a steroid in which a hydrogen atom has been replaced with a ketone (C=O) group.
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Steroid skeleton. Carbons 18 and above can be absent.
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Androstenedione
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Androsterone
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Estrone
A 17-ketosteroid is a ketosteroid in which the ketone is located specifically at the C17 position (in the upper right corner of most structure diagrams).
Examples of 17-ketosteroids include:
- Androstenedione
- Androstanedione
- Androsterone
- Dehydroepiandrosterone
- Epiandrosterone
- Epietiocholanolone
- Etiocholanolone
17-Ketosteroids are endogenous steroid hormones.
External links
- 17-Ketosteroids at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
- MedlinePlus Encyclopedia: 003460
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