Barnes & Thornburg LLP
Process for the preparation of 3-(3-chloro-1H-pyrazol-1-yl)pyridine
3-(3-Chloro-1H-pyrazol-1-yl)pyridine is prepared by coupling 3-bromopyridine with commercially available 3-aminopyrazole, purifying the 3-(3-amino-1H-pyrazol-1-yl)pyridine by crystallization, and converting the amino group to a chloro group by a Sandmeyer reaction.
Dow ArgoSciences LLC
C
C07D
inventional
Carl Ronald Qiang Beth Xiaoyong Ann M.
DeAmicis Ross, Jr. Yang Lorsbach Li Buysse