Method of preparing benzyl 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl)picolinate

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United States of America Patent

PATENT NO 10407391
APP PUB NO 20180162814A1
SERIAL NO

15833111

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Abstract

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A method of preparing benzyl 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl)picolinate (I) from benzyl 4,5-difluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl)picolinate (II) is described. The method includes the use of amination and chlorination process steps to provide the compound of Formula I.

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Patent Owner(s)

Patent OwnerAddress
CORTEVA AGRISCIENCE LLC9330 ZIONSVILLE ROAD INDIANAPOLIS IN 46268

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Couling, David J Midland, US 2 0
Donaldson, Megan E Linwood, US 6 2
Fisk, Jason S Freeland, US 8 1
Leng, Ronald B Midland, US 23 26
Murdoch, Brian Midland, US 8 381
Schuitman, Abraham D Midland, US 10 23

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