Invention Grant
US08927731B2 Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates
有权
制备4-氨基-5-氟-3-卤代-6-（取代）吡啶甲酸盐的方法
- Patent Title: Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates
- Patent Title (中): 制备4-氨基-5-氟-3-卤代-6-（取代）吡啶甲酸盐的方法
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Application No.: US14049664Application Date: 2013-10-09
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Publication No.: US08927731B2Publication Date: 2015-01-06
- Inventor: Gregory T. Whiteker , Kim E. Arndt , James M. Renga , Yuanming Zhu , Christian T. Lowe , Thomas L. Siddall , David E. Podhorez , Gary Roth , Scott P. West
- Applicant: Gregory T. Whiteker , James M. Renga , Yuanming Zhu , Christian T. Lowe , Thomas L. Siddall , David E. Podhorez , Gary Roth , Scott P. West
- 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
Abstract:
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.
Public/Granted literature
- US20140039196A1 PROCESS FOR THE PREPARATION OF 4-AMINO-5-FLUORO-3-HALO-6-(SUBSTITUTED)PICOLINATES Public/Granted day:2014-02-06
Information query
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