EP1870395A1 — Process for preparation of o-desmethylvenlafaxine and its analogue
Assigned to KRKA dd · Expires 2007-12-26 · 18y expired
What this patent protects
The present invention belongs to the field of organic chemistry and refers to a process for the preparation of O -desmethylvenlafaxine (1-[2-Dimethylamino)-1-(4-hydroxyphenyl)ethyl]cyclohexanol) and its analogues. The invention also relates to a catalytic hydrogenation of cyano-…
USPTO Abstract
The present invention belongs to the field of organic chemistry and refers to a process for the preparation of O -desmethylvenlafaxine (1-[2-Dimethylamino)-1-(4-hydroxyphenyl)ethyl]cyclohexanol) and its analogues. The invention also relates to a catalytic hydrogenation of cyano-group of the substituted acetonitrile.
Drugs covered by this patent
- Pristiq (Desvenlafaxine Succinate) · Pfizer
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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