发明授权
- 专利标题: Catalyzed liquid phase fluorination of 1230za
- 专利标题(中): 催化液相氟化1230za
-
申请号: US461587申请日: 1999-12-15
-
公开(公告)号: US6166274A公开(公告)日: 2000-12-26
- 发明人: Bin Chen , Michael S. Bolmer , Maher Y. Elsheikh
- 申请人: Bin Chen , Michael S. Bolmer , Maher Y. Elsheikh
- 申请人地址: PA Philadelphia
- 专利权人: ATOFINA Chemicals, Inc.
- 当前专利权人: ATOFINA Chemicals, Inc.
- 当前专利权人地址: PA Philadelphia
- 主分类号: C07C17/20
- IPC分类号: C07C17/20 ; C07B61/00 ; C07C17/00 ; C07C21/18
摘要:
A liquid phase process is provided for the preparation of 1233zd with reduced oligomer formation via the fluorination of 1230za with HF in the presence of a catalyst selected from TFA and triflic acid. The 1233zd is a known intermediate useful for preparing 245fa.
公开/授权文献
- US5115506A Method and apparatus for preventing recursion jeopardy 公开/授权日:1992-05-19
信息查询