# US 2016/0355468 A1 · Process for the preparation of 4-amino-5-fluoro-3-chloro-6-(substituted)picolinates

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- Number: US 2016/0355468 A1
- Document ID: US20160355468A1
- Status: Published application
- Kind: A1
- Application number: 15/243,996
- Filed: 2016-08-23
- Published: 2016-12-08
- Earliest claimed: 2012-12-13
- Assignees: Dow AgroSciences LLC
- Applicants: Dow AgroSciences LLC
- Inventors: Natalie C. Giampietro; James M. Renga
- Web page: https://patentgrep.com/patent/US20160355468A1

## CPC

- C07D 213/79: Acids; Esters
- C07C 251/12: being acyclic
- C07D 213/803: Processes of preparation
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS

## Abstract

4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a C1-C4 alkyl propiolate and a substituted methylene amine by a series of steps.

## Claims

### Claim 1

A compound of Formula C
wherein
R2 represents C1-C4 alkyl.