Granted Patent
B2
US 10,035,772 · App. 15/642,728 · Granted Jul 31, 2018
Processes for the preparation of 4-alkoxy-3-(acyl or alkyl)oxypicolinamides
Inventors:
Gregory T. Whiteker (Carmel, IN); Nakyen Choy (Carmel, IN); Peter Borromeo (Fishers, IN); Nicholas R. Babij (Indianapolis, IN)
Assignee:
Dow AgroSciences LLC
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Abstract
A fungicidal 4-methoxy-3-acetyloxypicolinamide may be conveniently prepared in processes that include the coupling together of 4-methoxy-3-acetyloxypicolinic acid or 4-methoxy-3-hydroxypicolinic acid with a key 2-aminopropanoate ester derived from a 1,1-bis(4-fluorophenyl)propane-1,2-diol.
Claims (2)
1. A compound
wherein R 1 is a C 1 -C 4 alkyl or PhCH 2 .
Assignments (2)
CHANGE OF NAME
Recorded Nov 8, 2021
From: DOW AGROSCIENCES LLC
To: CORTEVA AGRISCIENCE LLC
Reel/Frame 058044/0184 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Aug 25, 2017
From: WHITEKER, GEORGE T; CHOY, NAKYEN; BORROMEO, PETER; BABIJ, NICHOLAS
To: DOW AGROSCIENCES LLC
Reel/Frame 043402/0885 →
Continuity (4)
Provisional Application
62456874
· Feb 9, 2017
Provisional Application
62359288
· Jul 7, 2016
Provisional Application
62359290
· Jul 7, 2016