US2022055999A1PendingUtilityA1

Synthetic methods

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Assignee: GLAXOSMITHKLINE IP NO 2 LTDPriority: Jun 27, 2016Filed: Nov 2, 2021Published: Feb 24, 2022
Est. expiryJun 27, 2036(~9.9 yrs left)· nominal 20-yr term from priority
Inventors:Gregg BarcanJiasheng GuoChristopher W. MorganGheorghe D. RoibanPeter W. Sutton
C12P 41/001C12P 41/00C12P 17/02A61P 1/16C12Y 303/02009C07D 281/10A61K 9/2054A61P 17/04A61K 9/0053A61K 31/554C07D 303/04
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Claims

Abstract

Methods for the preparation of the following compound are disclosed.The compound can be incorporated into pharmaceutical formulations, including tablets and such tablets can be used for treating cholestatic liver diseases.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A tablet comprising the compound GSK2330672: 
       
         
           
           
               
               
           
         
         wherein the compound has been prepared by a synthesis comprising the step of preparation of intermediate A, (R)-2-butyl-2-ethyloxirane 
       
       
         
           
           
               
               
           
         
         followed by conversion of (R)-2-butyl-2-ethyloxirane through one or more steps to GSK2330672.

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