PROCESS FOR THE PREPARATION OF 4 ALKOXY 3 HYDROXYPICOLINIC ACIDS
- 专利权人:
- 发明人:
- RENGA JAMES M,ZHU YUANMING,WHITEKER GREGORY T,CHOY NAKYEN
- 申请号：
- IN201717001268
- 公开号：
- IN201717001268A
- 申请日:
- 2017.01.12
- 申请国别(地区):
- IN
- 年份:
- 2017
- 代理人:
- 摘要：
- 4,6-Dibromo-3-hydroxypicolinonitrile may be prepared from furfural in a series of chemical steps selected from cyano- animation, amine salt formation and bromination-rearrangement.
- 来源网站：
- 中国工程科技知识中心
