CA Patent

CA2401048C — 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses

Assigned to UCB Farchim SA · Expires 2009-01-20 · 17y 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 .alpha.-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the …

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 .alpha.-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-.alpha.-ethyl-2-oxo-1-pyrrolidine acetamide.

Drugs covered by this patent

Patent Metadata

Patent number
CA2401048C
Jurisdiction
CA
Classification
—
Expires
2009-01-20
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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.