AU2010282570B2 — Method for making 3alpha-hydroxy, 3beta- methyl-5alpha-pregnan-20-one (ganaxolone)
Assigned to Immedica Pharma US Inc · Expires 2014-04-24 · 12y expired
What this patent protects
Applicants have discovered a method for the stereoselective and regioselective synthesis of 3α-hydroxy, 3β-methyl-5α- pregnan-20-one (ganaxolone) comprising reacting 5α-pregnane-3,20-dione; with an organometallic methylating agent in an inert solvent to provide a compound of the …
USPTO Abstract
Applicants have discovered a method for the stereoselective and regioselective synthesis of 3α-hydroxy, 3β-methyl-5α- pregnan-20-one (ganaxolone) comprising reacting 5α-pregnane-3,20-dione; with an organometallic methylating agent in an inert solvent to provide a compound of the formula.
Drugs covered by this patent
- Ztalmy (GANAXOLONE) · Marinus
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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