发明授权
- 专利标题: Production of 2-carboxyalkyl (phenyl)phosphinic acid
- 专利标题(中): 2-羧基烷基(苯基)次膦酸的制备
-
申请号: US09505833申请日: 2000-02-17
-
公开(公告)号: US06320071B1公开(公告)日: 2001-11-20
- 发明人: David J. Weinkauff , Frank E. Paulik
- 申请人: David J. Weinkauff , Frank E. Paulik
- 主分类号: C07F922
- IPC分类号: C07F922
摘要:
Processes for producing 2-carboxyalkyl(phenyl)phosphinic acid comprising hydrolyzing the reaction mixture produced from the reaction of dichloro(phenyl)phosphine with a carboxylic acid in the presence of water, wherein the hydrolysis is conducted with reduced levels of water.
信息查询