YANG, QIANG,LORSBACH, BETH,DEAMICIS, CARL,BUYSSE, ANN M.,ROSS, RONALD, JR.,LI, XIAOYONG
申请号:
CA2954747
公开号:
CA2954747A1
申请日:
2014.10.17
申请国别(地区):
CA
年份:
2016
代理人:
摘要:
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.