HANLEY, PATRICK S.,CHOY, NAKYEN,SIDDALL, THOMAS L.,WHITEKER, GREGORY T.
申请号:
CA3016013
公开号:
CA3016013A1
申请日:
2017.02.28
申请国别(地区):
CA
年份:
2017
代理人:
摘要:
4-Alkoxy-3-hydroxypicolinic acids may be conveniently prepared from 2-hydroxypicolinonitrile in a series of chemical steps selected from chlorination, chloro substitution, nitrile hydrolysis and chloro reduction.