Method for preparing thienopyrimidine compound and intermediates used therein

US10160770B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10160770-B2
Application numberUS-201816025784-A
CountryUS
Kind codeB2
Filing dateJul 2, 2018
Priority dateDec 30, 2014
Publication dateDec 25, 2018
Grant dateDec 25, 2018

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  2. Abstract

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  5. First independent claim

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Abstract

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A method for preparing a thienopyrimidine compound of Formula 1, which is a selective inhibitor of tyrosine kinase activity, in particular, of mutant epidermal growth factor receptor tyrosine kinase. Intermediates used in the method are provided.

First claim

Opening claim text (preview).

The invention claimed is: 1. A compound of the following Formula 2 or a salt thereof: 2. A compound of the following Formula 3 or a salt thereof: 3. A compound of the following Formula 4 or a salt thereof: wherein L is and R 1 is C 1-10 alkyl or benzyl. 4. A method for preparing a compound of the following Formula 3 or a salt thereof, comprising the step of allowing a compound of the following Formula 4 or a salt thereof to react with a compound of the following Formula 9 or a salt thereof and an organic acid: wherein L is or halogen and R 1 is C 1-10 alkyl or benzyl.

Assignees

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Classifications

  • C07D495/04Primary

    Ortho-condensed systems · CPC title

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What does patent US10160770B2 cover?
A method for preparing a thienopyrimidine compound of Formula 1, which is a selective inhibitor of tyrosine kinase activity, in particular, of mutant epidermal growth factor receptor tyrosine kinase. Intermediates used in the method are provided.
Who is the assignee on this patent?
Hanmi Pharm Ind Co Ltd
What technology area does this patent fall under?
Primary CPC classification C07D495/04. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Dec 25 2018 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).