Process for preparing aminopyrimidine derivatives

US11708362B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11708362-B2
Application numberUS-202217704718-A
CountryUS
Kind codeB2
Filing dateMar 25, 2022
Priority dateJul 28, 2017
Publication dateJul 25, 2023
Grant dateJul 25, 2023

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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.

The present invention provides an improved process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. Additional, the present invention provides novel intermediates useful for said process and processes for preparing the same.

First claim

Opening claim text (preview).

What is claimed is: 1. A compound of Formula II: or a salt thereof.

Assignees

Inventors

Classifications

  • C07D413/14Primary

    containing three or more hetero rings · CPC title

  • not condensed and containing further heterocyclic rings · CPC title

  • not condensed and containing further heterocyclic rings, e.g. timolol · CPC title

  • C07F7/2284Primary

    Compounds with one or more Sn-N linkages · CPC title

  • directly linked by a ring-member-to-ring-member bond · CPC title

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Frequently asked questions

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What does patent US11708362B2 cover?
The present invention provides an improved process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. Additional, the present invention provides novel intermediates useful for said process and processes for prep…
Who is the assignee on this patent?
Yuhan Corp
What technology area does this patent fall under?
Primary CPC classification C07D413/14. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jul 25 2023 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 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).