发明申请
- 专利标题: Method for producing phthalic acid dichloride
- 专利标题(中): 邻苯二甲酸二氯化物的制备方法
-
申请号: US10524748申请日: 2003-08-06
-
公开(公告)号: US20060122426A1公开(公告)日: 2006-06-08
- 发明人: Jorn Stolting , Reinhard Lantzsch
- 申请人: Jorn Stolting , Reinhard Lantzsch
- 优先权: DE10237579.8 20020816
- 国际申请: PCT/EP03/08684 WO 20030806
- 主分类号: C07C51/58
- IPC分类号: C07C51/58
摘要:
The invention relates to a novel method for producing phthalic acid dichloride (benzene-1,2-dicarbonylchloride) from phthalic anhydride by reaction with phosgene in the presence of N,N-dialkylformamides.
信息查询