EP1256585A1 — Process fot preparing 9-(2-(diethylphosphonomethoxy)ethyl)-adenine
Assigned to Gilead Sciences Inc · Expires 2002-11-13 · 24y expired
What this patent protects
The invention relates to a method for preparing 9-[2-(diethylphosphonomethoxy)-ethyl]adenine comprising the step of contacting sodium alkoxide and 9-(2-hydroxyethyl)-adenine. The obtained compound is a useful intermediate in the preparation of 9-[2-[[bis[(pivaloyloxy)methoxy]phos…
USPTO Abstract
The invention relates to a method for preparing 9-[2-(diethylphosphonomethoxy)-ethyl]adenine comprising the step of contacting sodium alkoxide and 9-(2-hydroxyethyl)-adenine. The obtained compound is a useful intermediate in the preparation of 9-[2-[[bis[(pivaloyloxy)methoxy]phosphenyl]methoxy]ehyl]adenine.
Drugs covered by this patent
- Sustiva (EFAVIRENZ) · Bristol-Myers Squibb
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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