发明授权
- 专利标题: Process for preparing alpha-hydroxy acids
- 专利标题(中): 制备α-羟基酸的方法
-
申请号: US935850申请日: 1986-11-28
-
公开(公告)号: US4981619A公开(公告)日: 1991-01-01
- 发明人: Bernard Besson
- 申请人: Bernard Besson
- 申请人地址: FRX Courbevoie
- 专利权人: Rhone Poulenc Specialities Chimiques
- 当前专利权人: Rhone Poulenc Specialities Chimiques
- 当前专利权人地址: FRX Courbevoie
- 优先权: FRX8517748 19851127
- 主分类号: B01J31/00
- IPC分类号: B01J31/00 ; C07B61/00 ; C07C51/00 ; C07C51/10 ; C07C59/01 ; C07C67/00
摘要:
A process for preparing alpha-hydroxycarboxylic acids. An organic halide is reacted with carbon monoxide and a hydrogen donor compound, in the presence of a carbonylation catalyst and an inorganic base, at a temperature of at least 90.degree. C.
公开/授权文献
- US6003415A Toolholder with cam locking mechanism 公开/授权日:1999-12-21
信息查询