US2016355468A1PendingUtilityA1

Process for the preparation of 4-amino-5-fluoro-3-chloro-6-(substituted)picolinates

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Assignee: DOW AGROSCIENCES LLCPriority: Dec 13, 2012Filed: Aug 23, 2016Published: Dec 8, 2016
Est. expiryDec 13, 2032(~6.4 yrs left)· nominal 20-yr term from priority
Inventors:Natalie C. GiampietroJames M. Renga
C07C 251/12C07D 213/79C07D 213/803
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Claims

Abstract

4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a C 1 -C 4 alkyl propiolate and a substituted methylene amine by a series of steps.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A compound of Formula C 
       
         
           
           
               
               
           
         
       
       wherein
 R 2  represents C 1 -C 4  alkyl.

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