发明申请
- 专利标题: Process For Preparing Substituted Phenylhydrazines
- 专利标题(中): 制备取代苯肼的方法
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申请号: US12529066申请日: 2008-02-27
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公开(公告)号: US20100010263A1公开(公告)日: 2010-01-14
- 发明人: Thomas Zierke , Michael Rack
- 申请人: Thomas Zierke , Michael Rack
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE Ludwigshafen
- 优先权: EP07104341.8 20070316
- 国际申请: PCT/EP2008/052346 WO 20080227
- 主分类号: C07C241/02
- IPC分类号: C07C241/02
摘要:
This invention relates to a process for preparing substituted phenylhydrazines of the formula I wherein R has the meaning as indicated in the description, comprising reacting a dichlorofluorobenzene of the formula II with a hydrazine source selected from hydrazine, hydrazine hydrate and acid addition salts of hydrazine and optionally being carried out in the presence of at least one organic solvent.
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