17 .alpha.-Acyl-4-aza-5a-androst-1-en-3-ones as 5 alpha-reductas

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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546 77, A61K 3158, C07J 7300

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active

048596817

ABSTRACT:
17.beta.-Acyl-4-aza-5.alpha.-androst-1-en-3-ones of the formula: ##STR1## wherein R is selected from hydrogen, methyl and ethyl and

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Doorenbos & Solomons; Synthesis & Antimicrobial Properties of 17.beta.-Isopentyloxy-4-aza-5.alpha.-androstane & 4-Methyl Derivative; J. Pharm. Sci. 62, 4, pp. 638-640, (1973).
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