1391025-82-3Relevant articles and documents
Synthesis of 6-Aryl-5-fluoropicolinate Herbicides via Halex Reaction of Tetrachloropicolinonitrile
Whiteker, Gregory T.,Froese, Robert D. J.,Arndt, Kim E.,Renga, James M.,Zhu, Yuanming,Roth, Gary A.,Yang, Qiang,Canturk, Belgin,Klosin, Jerzy
, p. 2166 - 2174 (2019)
The development of a new synthesis of 6-aryl-5-fluoropicolinate herbicides is described. This general route employs the halogen exchange (halex) reaction of tetrachloropicolinonitrile to give a mixture of chlorofluoropicolinonitriles. It was found that th
PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED) PICOLINATES
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Page/Page column 7, (2012/07/31)
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 assist
PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED) PICOLINATES
-
Page/Page column 7, (2012/07/31)
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 t