Invention Grant
- Patent Title: Process for the preparation of 4-amino-3-chloro-5-fluoro-6-(substituted) picolinates
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Application No.: US14734347Application Date: 2015-06-09
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Publication No.: US09452984B2Publication Date: 2016-09-27
- Inventor: Kim E. Arndt , James M. Renga , Yuanming Zhu , Gregory T. Whiteker , Christian T. Lowe
- Applicant: Dow AgroSciences LLC
- Applicant Address: US IN Indianapolis
- Assignee: Dow AgroSciences LLC
- Current Assignee: Dow AgroSciences LLC
- Current Assignee Address: US IN Indianapolis
- Agent Michael R. Asam
- Main IPC: C07D213/79
- IPC: C07D213/79 ; C07D213/803 ; C07D213/81 ; C07D213/84
Abstract:
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.
Public/Granted literature
- US20150274669A1 PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED) PICOLINATES Public/Granted day:2015-10-01
Information query
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