EP0441160A1 — Process for preparing levo and dextro fenfluramine
Assigned to Laboratori Mag SpA · Expires 1991-08-14 · 35y expired
What this patent protects
The present invention provides a process for preparing fenfluramine in its levo and dextro enantiomer forms, based on the use, as key product, of 1-(3-trifluoromethyl)-phenyl-propan-2-ol in one of its two enantiomer forms (3) and ent-(3). The invention also provides 1-(3-trifluor…
USPTO Abstract
The present invention provides a process for preparing fenfluramine in its levo and dextro enantiomer forms, based on the use, as key product, of 1-(3-trifluoromethyl)-phenyl-propan-2-ol in one of its two enantiomer forms (3) and ent-(3). The invention also provides 1-(3-trifluoromethyl)-phenyl-propan-2-ol in each of its two enantiomer forms.
Drugs covered by this patent
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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