US2015232453A1PendingUtilityA1

Synthesis of antiviral compound

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Assignee: GILEAD PHARMASSET LLCPriority: Jun 5, 2012Filed: May 5, 2015Published: Aug 20, 2015
Est. expiryJun 5, 2032(~5.8 yrs left)· nominal 20-yr term from priority
Inventors:Robert ScottJustin VitaleKenneth Stanley MatthewsMartin Gerald TereskAlexandra FormellaJared Wayne Evans
A61P 31/12A61P 31/14A61P 1/16C07D 403/14C07D 403/04A61K 31/4178C07B 2200/13A61K 31/4184Y02P20/55
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Claims

Abstract

The present disclosure provides processes for the preparation of a compound of formula I: which is useful as an antiviral agent. The disclosure also provides compounds that are synthetic intermediates to compounds of formula I.

Claims

exact text as granted — not AI-modified
We claim: 
     
         1 . A compound of formula (ii): 
       
         
           
           
               
               
           
         
       
       wherein PG is an amine protecting group. 
     
     
         2 . The compound according to  claim 1 , wherein PG is tert-butoxycarbonyl.

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