Fourth-generation EGFR tyrosine kinase inhibitor

US11286261B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11286261-B2
Application numberUS-201816497917-A
CountryUS
Kind codeB2
Filing dateMar 29, 2018
Priority dateMar 29, 2017
Publication dateMar 29, 2022
Grant dateMar 29, 2022

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Provided is a compound having a tyrosine kinase inhibitory activity specific to C797S resistant mutant EGFR (particularly C797S tertiary-resistant mutant EGFR) and is useful as a C797S resistant mutant EGFR (particularly C797S mutant tertiary-resistant EGFR) specific tyrosine kinase inhibitor, an agent for preventing and/or treating non-small cell lung cancer with resistance mutant EGFR and the like, and the like.

First claim

Opening claim text (preview).

The invention claimed is: 1. A compound represented by the formula (I): wherein X is O or NH, R 1 and R 2 are each independently a hydrogen atom or an amino substituted hydrocarbon group, wherein the amino group is optionally mono- or di-substituted by C 1-6 alkyl group or guanidino group, R 3 and R 4 are each a hydrogen atom, and R 5 and R 6 are each independently a hydrocarbon group, excluding the following compound: or a salt thereof. 2. A method for inhibiting C797S resistant mutant EGFR tyrosine kinase activity, the method comprising contacting a cell expressing C797S resistant mutant EGFR with a compound or salt of claim 1 . 3. A method for treating non-small cell lung cancer in a subject in need thereof, the method comprising administering to the subject a compound or salt of claim 1 . 4. The method of claim 3 , wherein the non-small cell lung cancer is associated with C797S resistant mutant EGFR. 5. The compound of claim 1 , wherein the compound of formula (I) is or a salt thereof. 6. The compound of claim 1 , wherein the compound of formula (I) is

Assignees

Inventors

Classifications

  • the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom · CPC title

  • Ortho-condensed systems · CPC title

  • Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00 · CPC title

  • Drugs for disorders of the respiratory system · CPC title

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Frequently asked questions

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What does patent US11286261B2 cover?
Provided is a compound having a tyrosine kinase inhibitory activity specific to C797S resistant mutant EGFR (particularly C797S tertiary-resistant mutant EGFR) and is useful as a C797S resistant mutant EGFR (particularly C797S mutant tertiary-resistant EGFR) specific tyrosine kinase inhibitor, an agent for preventing and/or treating non-small cell lung cancer with resistance mutant EGFR and the…
Who is the assignee on this patent?
Univ Nagasaki, Univ Iwate Medical, Japanese Found For Cancer Res
What technology area does this patent fall under?
Primary CPC classification C07D491/147. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Mar 29 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).