EP Patent

EP1477478A2 — 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses.

Assigned to UCB Farchim SA · Expires 2004-11-17 · 21y expired

What this patent protects

The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing α-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the i…

USPTO Abstract

The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing α-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-α-ethyl-2-oxo-1-pyrrolidine acetamide.

Drugs covered by this patent

Patent Metadata

Patent number
EP1477478A2
Jurisdiction
EP
Classification
—
Expires
2004-11-17
Drug substance claim
No
Drug product claim
No
Assignee
UCB Farchim SA
Source
FDA Orange Book + USPTO grounding via Google Patents

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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