09029556 is referenced by 17 patents and cites 172 patents.

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.

Title
Process for the preparation of 3-(3-chloro-1H-pyrazol-1-yl)pyridine
Application Number
14/517357
Publication Number
9029556 (B1)
Application Date
October 17, 2014
Publication Date
May 12, 2015
Inventor
Xiaoyong Li
Midland
MI, US
Ronald Ross Jr
Zionsville
IN, US
Ann M Buysse
Carmel
IN, US
Carl DeAmicis
Indianapolis
IN, US
Beth Lorsbach
Indianapolis
IN, US
Qiang Yang
Zionsville
IN, US
Agent
Barnes & Thornburg
Carl D Corvin
Assignee
Dow ArgoSciences
IN, US
IPC
C07D 401/04
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