CA Patent

CA2301074A1 — Crystalline 10,10-bis((2-fluoro-4-pyridinyl)methyl)-9(10h)-anthracenone and an improved process for preparing the same

Assigned to Individual · Expires 1999-02-25 · 27y expired

What this patent protects

The present invention relates to processes for the synthesis of a crystalline polymorph of 10,10-Bis((2-fluoro-4-pyridinyl)methyl)-9(10H)-Anthracenone in high purity. The product is useful in the synthesis of pharmaceutical compounds for the reduction of cholinergic system dysfun…

USPTO Abstract

The present invention relates to processes for the synthesis of a crystalline polymorph of 10,10-Bis((2-fluoro-4-pyridinyl)methyl)-9(10H)-Anthracenone in high purity. The product is useful in the synthesis of pharmaceutical compounds for the reduction of cholinergic system dysfunction.

Drugs covered by this patent

Patent Metadata

Patent number
CA2301074A1
Jurisdiction
CA
Classification
—
Expires
1999-02-25
Drug substance claim
No
Drug product claim
No
Assignee
Individual
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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