CA Patent

CA2748251C — Bicyclic heterocyclic compound for use as a sensory neuron specific sodium channel inhibitor

Assigned to Sumitomo Pharma Co Ltd · Expires 2016-08-02 · 10y expired

What this patent protects

A compound represented by formula (1) (see formula 1) or a pharmacologically acceptable salt thereof is provided. (In formula (1), R1 is a hydrogen atom, etc.; L is a single bond, -O-, etc.; R2 is phenyl, etc.; X is a carbon atom or a nitrogen atom; and R3, R4, R5a, R5b, R6, and …

USPTO Abstract

A compound represented by formula (1) (see formula 1) or a pharmacologically acceptable salt thereof is provided. (In formula (1), R1 is a hydrogen atom, etc.; L is a single bond, -O-, etc.; R2 is phenyl, etc.; X is a carbon atom or a nitrogen atom; and R3, R4, R5a, R5b, R6, and R7 each is a substituted or unsubstituted alkyl, etc.) Compounds of the invention may be used for inhibition of SNS.

Drugs covered by this patent

Patent Metadata

Patent number
CA2748251C
Jurisdiction
CA
Classification
Expires
2016-08-02
Drug substance claim
No
Drug product claim
No
Assignee
Sumitomo Pharma 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.

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.