CA Patent

CA2640652A1 — Novel coumarin derivative having antitumor activity

Assigned to Chugai Pharmaceutical Co Ltd · Expires 2007-08-16 · 19y expired

What this patent protects

The present invention provides a compound represented by general formula (1) below or a pharmaceutically acceptable salt thereof: (see formula 1) wherein: X is selected from heteroaryl etc., Y1 and Y2 are selected from -N= etc., Y3 and Y4 are selected from -CH= etc., A is selecte…

USPTO Abstract

The present invention provides a compound represented by general formula (1) below or a pharmaceutically acceptable salt thereof: (see formula 1) wherein: X is selected from heteroaryl etc., Y1 and Y2 are selected from -N= etc., Y3 and Y4 are selected from -CH= etc., A is selected from sulfamide etc., R1 is selected from hydrogen etc., and R2 is selected from C1-6 alkyl etc. The compound or salt has sufficiently high antitumor activity, and is useful in the treatment of cell proliferative disorders, particularly cancers. The present invention also provides a pharmaceutical composition containing the compound or salt as an active ingredient.

Drugs covered by this patent

Patent Metadata

Patent number
CA2640652A1
Jurisdiction
CA
Classification
Expires
2007-08-16
Drug substance claim
No
Drug product claim
No
Assignee
Chugai Pharmaceutical 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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