Dow Agrosciences LLC

Dowelanco

Dow Global Technolgoies LLC

Kim Eric Arndt

James M Renga

Gregory T Whiteker

Yuanming Zhu

Ronald Ross, Jr

Gary A Roth

Christian Thomas Lowe

Scott P West

Walter Reifschneider

David E Podhorez

William A Kleschick

Timothy Calvin Johnson

Robert J Ehr

David George Ouse

Mark J Costales

John C Van Heertum

Nicholas Martin Irvine

John J Jachetta

Noormohamed Mohamed Niyaz

Timothy P Martin

Ronald Ross

Kevin Gerald Meyer

Carl Vincent DeAmicis

Thomas L Siddall

Zoltan Laszlo Benko

Kimberly Brubaker Bradley

Carl Deamicis

Robert E Hefner, Jr

Paul R Schmitzer

Lowell D Markley

Terry William Balko

Robert D J Froese

James P Godschalx

Mark Andrew Pobanz

Yang Cheng

Douglas Bland

Jossian Oppenheimer

Robert Froese

Mark W Zettler

James Todd Pechacek

James R McConnell

Q Jason Niu

Johnny L Jackson

Mary L Ash

Mark V M Emonds

Jacob Secor

Beth A Swisher

Erik N Cressman

David Keith Walker

Patricia G Ray

Zolt An Benk O

Stephen T Heller

John Cord VanHeertum

Douglas C Bland

James R Mcconnell

John Cord Vanheertum

Gary Alan Roth

Mark Emonds

4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, reaction with hydrazine, halogenation, hydrolysis and esterification, and transition metal assisted coupling.

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

4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange and hydrolysis, esterification and transition metal assisted coupling.

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

The invention disclosed in this document is related to the field of processes to produce certain 2-(pyridine-3-yl)thiazoles as intermediates for the synthesis of pesticidal thiazole amides.

Processes to produce certain 2-(pyridine-3-yl)thiazoles

4-Amino-5-fluoro-3-halo-6-(substituted)picolinates are conveniently prepared from 4,5,6-trichloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation, nitrile hydrolysis, esterification, and transition metal assisted coupling.

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

4-Amino-5-fluoro-3-halo-6-(substituted)picolinates are conveniently prepared from 4,5,6-trichloropicolinates by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation and transition metal assisted coupling.

3-Halo-6-(aryl)-4-iminotetrahydropicolinic acids having 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.

3-halo-(arly)-4-iminotetrahydropicolinates and their use as herbicides

2-Substituted-5-(1-alkylthio)alkylpyridines are produced efficiently and in high yield.

Process for the preparation of 2-substituted-5-(1-alkylthio)alkylpyridines

3-Halo-6-(aryl)-4-iminotetrahydropicolinic acid esters are heated with polar solvents to prepare 6-(aryl)-4-aminopicolinates.

Process for the preparation of 6-(aryl)-4-aminopicolinates

2-Substituted-5-(1-alkylthio)alkylpyridines are produced efficiently and in high yield from a non-pyridine source by cyclization.

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Carmel, IN, United States of America

Kim Eric Arndt