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US 7,169,769 B2Granted
17α-hydroxy-14β-steroids with hormonal effect
AssigneeAkzo Nobel N.V.
InventorsJ Jaap Van Der Louw, D Dirk Leysen, M.E. Marcel Evert De Gooijer
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Abstract
This invention relates to steroidal compounds having the formula I wherein: R1 is O, (H,H), (H,OH), NOH, whereby OH is optionally etherified or esterified; R2 and R3 are independently hydrogen or (C1-4) alkyl and at least one of R2 and R3 is (C1-4) alkyl; R4 is hydrogen, or (C1-15) acyl for use in androgen-related treatments, such as androgen insufficiency and male or female contraception.
Claims6
A steroidal compound having the formula I
- wherein:
- R1 is O, (H,H), (H,OH), NOH, whereby OH is optionally etherified or esterified;
- R2 and R3 are independently hydrogen or (C1-4) alkyl and at least one of R2 and R3 is (C1-4) alkyl;
- R4 is hydrogen, or (C1-5) acyl.
1 more element
Dependencies are inferred from the claim text.