发明申请
- 专利标题: Method for the Production of Phthalic Dichloride
- 专利标题(中): 邻苯二甲酸二氯生产方法
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申请号: US11719983申请日: 2005-11-24
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公开(公告)号: US20070299282A1公开(公告)日: 2007-12-27
- 发明人: Thorsten Rohde , Jochem Henkelmann
- 申请人: Thorsten Rohde , Jochem Henkelmann
- 申请人地址: DE Ludwigshafen D-67056
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DE Ludwigshafen D-67056
- 优先权: DE102004057146.5 20041126
- 国际申请: PCT/EP05/12564 WO 20051124
- 主分类号: C07C51/60
- IPC分类号: C07C51/60
摘要:
A process for preparing phthaloyl chloride by reacting phthalic anhydride with a chlorinating agent (I) selected from the group of thionyl chloride and phosgene in the presence of a catalyst at a temperature of from 80 to 200° C. and a pressure of from 0.01 to 10 MPa abs, in which the catalyst (II) used is triphenylphosphine, triphenylphosphine oxide or a mixture thereof.
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