EP0683172B1 — 11,21-Bisphenyl-19-norpregnane derivatives
Assigned to Organon NV · Expires 1997-08-13 · 29y expired
What this patent protects
The invention relates to a 11,21-bisphenyl-19-norpregnane derivative of formula I <CHEM> wherein R1 is selected from H, halogen, (1-6C)alkoxy, and NR5R6, R5 and R6 being independently hydrogen or (1-6C)alkyl or R5 and R6 together are (3-6C)alkylene; R2 is hydrogen; or R1 an…
USPTO Abstract
The invention relates to a 11,21-bisphenyl-19-norpregnane derivative of formula I <CHEM> wherein R1 is selected from H, halogen, (1-6C)alkoxy, and NR5R6, R5 and R6 being independently hydrogen or (1-6C)alkyl or R5 and R6 together are (3-6C)alkylene; R2 is hydrogen; or R1 and R2 together are a (1-3C)alkylenedioxy group, optionally substituted by one or more halogen atoms; R3 is methyl or ethyl; R4 is selected from C(O)-NR5R6, SOn-(1-6C)alkyl optionally substituted by one or more halogen atoms, SOn-(3-6C)cycloalkyl, n being 1 or 2, SO2-NR5R6, 2-oxypyrrolidinyl, and NR5R6; R7 is H or (1-6C)alkyl; R8 is H or carboxy-1-oxo(1-6C)alkyl; and X is selected from (H,OH), O, and NOH; 11 or a pharmaceutically acceptable salt thereof. The compounds of the invention have anti-glucocorticoid activity and can be used in treating or preventing glucocorticoid-dependent diseases.
Drugs covered by this patent
- Mifeprex (MIFEPRISTONE) · Corcept Therap
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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