YANG QIANG,LORSBACH BETH,DEAMICIS CARL,BUYSSE ANN M,ROSS JR RONALD,LI XIAOYONG
申请号：
IN201717000986
公开号：
IN201717000986A
申请日:
2017.01.10
申请国别(地区):
IN
年份:
2017
代理人:
摘要：
3-(3-Chloro-lH-pyrazol-l-yl)pyridine is prepared by coupling 3-bromopyridine with commercially available 3-aminopyrazole, purifying the 3-(3-ammo-li/-pyrazol-l-yl)pyridine by crystallization, and converting the amino group to a chloro group by a Sandmeyer reaction
