# US 9,518,018 B2 · 3-alkoxy, thioalkyl and amino-4-amino-6-(substituted)picolinates and their use as herbicides

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- Number: US 9,518,018 B2
- Document ID: US9518018B2
- Status: Granted
- Kind: B2
- Application number: 14/264,142
- Filed: 2014-04-29
- Published: 2015-05-14
- Granted: 2016-12-13
- Earliest claimed: 2011-06-30
- Assignees: Dow AgroSciences LLC
- Applicants: Dow AgroSciences LLC
- Inventors: Jeffrey B. Epp; Christian T. Lowe; James M. Renga; Paul R. Schmitzer; Joseph D. Eckelbarger; Katherine A. Guenthenspberger; Thomas L. Siddall; Carla N. Yerkes; Lindsey G. Horty; Natalie C. Giampietro; Jeremy Kister; Joshua Roth
- Web page: https://patentgrep.com/patent/US9518018B2

## CPC

- C07D 213/79: Acids; Esters
- A01N 43/40: six-membered rings
- A01N 55/00: Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur (containing organo-phosphorus compounds A01N57/00)
- C07D 213/65: attached in position 3 or 5
- C07D 213/73: Unsubstituted amino or imino radicals
- C07D 405/04: directly linked by a ring-member-to-ring-member bond
- C07F 7/0803: {Compounds with Si-C or Si-Si linkages}
- C07F 7/0812: {comprising a heterocyclic ring}
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- C07F: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins C07D487/22)

## Abstract

3-alkoxy, thioalkyl and amino-4-amino-6-(substituted)picolinic acids having a halogen, alkyl or mono-, di-tri- and tetra-substituted aryl substituents in the 6-position, and their acid derivatives, are herbicides demonstrating a broad spectrum of weed control.

## Claims

### Claim 1

A compound of the Formula II
wherein
Q represents H or I; and
Y represents a phenyl group substituted with one to four substitutents independently selected from halogen, C1-C6 alkoxy or C1-C6 haloalkyl;
or a C1-C12 ester thereof.

### Claim 2 (depends on 1)

The compound of claim 1, wherein the compound is:

### Claim 3 (depends on 1)

The compound of claim 1, wherein the compound is a compound of Formula II or a C1-C6 alkyl ester or benzyl ester thereof.