CN Patent

CN1179944C — 2-氧代-1-吡咯烷衍生物、其制备方法和用途

Assigned to UCB Farchim SA · Expires 2004-12-15 · 21y expired

What this patent protects

本发明涉及2-氧代-1-吡咯烷衍生物及其制备方法和用途，本发明还涉及一种从不饱和的2-氧代-1-吡咯烷衍生物出发制备α-乙基-2-氧代-1-吡咯烷乙酰胺衍生物的方法。具体地，本发明涉及新的中间体及其在制备S-α-乙基-2-氧代-1-吡咯烷乙酰胺的方法中的用途。

USPTO Abstract

本发明涉及2-氧代-1-吡咯烷衍生物及其制备方法和用途，本发明还涉及一种从不饱和的2-氧代-1-吡咯烷衍生物出发制备α-乙基-2-氧代-1-吡咯烷乙酰胺衍生物的方法。具体地，本发明涉及新的中间体及其在制备S-α-乙基-2-氧代-1-吡咯烷乙酰胺的方法中的用途。

Drugs covered by this patent

Patent Metadata

Patent number
CN1179944C
Jurisdiction
CN
Classification
—
Expires
2004-12-15
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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