US2022356194A1PendingUtilityA1

Process for preparing benzothiophen-2yl boronate

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Assignee: Bayer Pharma AGPriority: Oct 25, 2017Filed: Mar 10, 2022Published: Nov 10, 2022
Est. expiryOct 25, 2037(~11.2 yrs left)· nominal 20-yr term from priority
Inventors:Jörg GriesJohannes Platzek
C07D 333/54C07D 487/04C07D 333/72C07F 5/025A61P 35/00A61K 31/69
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Claims

Abstract

A process for preparing the benzothiophen-2-yl boronate of formula (VI)which serves as an intermediate for production of medicaments and for production of medicaments for treatment and/or prophylaxis of proliferative disorders, such as cancer and tumor diseases.

Claims

exact text as granted — not AI-modified
1 - 6 . (canceled) 
     
     
         7 . A compound of formula (XVI): 
       
         
           
           
               
               
           
         
       
     
     
         8 . (canceled) 
     
     
         9 . A method of preparing Rogaratinib having a structure of formula (I): 
       
         
           
           
               
               
           
         
       
       comprising reacting a compound selected from the group consisting of:

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