EP4134373A1 — Synthesis of delta 9,11 steroids
Assigned to Santhera Pharmaceuticals Schweiz GmbH · Expires 2023-02-15 · 3y expired
What this patent protects
The present invention is directed to a process for the preparation of Δ9,11 steroids by deoxygenation of 9,11-epoxy steroids using HI. The disclosed process selectively forms Δ9,11 steroids such as Vamorolone and can also be used for steroid synthesis of Δ9,11 steroids in pharmac…
USPTO Abstract
The present invention is directed to a process for the preparation of Δ9,11 steroids by deoxygenation of 9,11-epoxy steroids using HI. The disclosed process selectively forms Δ9,11 steroids such as Vamorolone and can also be used for steroid synthesis of Δ9,11 steroids in pharmaceutical purity.
Drugs covered by this patent
- Agamree (VAMOROLONE) · Catalyst Pharms
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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