CA Patent

CA2570177C — Method for producing 1,2-dihydropyridine-2-one compound

Assigned to Eisai R&D Management Co Ltd · Expires 2012-11-20 · 13y expired

What this patent protects

Disclosed is a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III) (wherein the ring A and ring B are as defined below and the ring C represents an optionally substituted phenyl group) with high yield and high purity b…

USPTO Abstract

Disclosed is a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III) (wherein the ring A and ring B are as defined below and the ring C represents an optionally substituted phenyl group) with high yield and high purity by reacting a compound represented by the following formula (I) (wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and X represents a leaving group) with a boronic acid derivative in the presence of a palladium compound, a copper compound, a phosphorus compound and a base. (see formula I) (see formula III)

Drugs covered by this patent

Patent Metadata

Patent number
CA2570177C
Jurisdiction
CA
Classification
—
Expires
2012-11-20
Drug substance claim
No
Drug product claim
No
Assignee
Eisai R&D Management Co Ltd
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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