发明授权
- 专利标题: Method for preparing 2-nitro-4-amino-N-phenylaniline
- 专利标题(中): 2-硝基-4-氨基-N-苯基苯胺的制备方法
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申请号: US302073申请日: 1972-10-30
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公开(公告)号: US3959377A公开(公告)日: 1976-05-25
- 发明人: Milos S. Bil
- 申请人: Milos S. Bil
- 申请人地址: NY New York
- 专利权人: Clairol Incorporated
- 当前专利权人: Clairol Incorporated
- 当前专利权人地址: NY New York
- 主分类号: C07C87/60
- IPC分类号: C07C87/60
摘要:
Prepares 2-nitro-4-amino-N-phenylaniline by reacting 4-fluoro-3-nitroaniline at a temperature of at least about 140.degree.C and in a large molar excess of aniline e.g. molar ratio of aniline to 4-fluoro-3-nitroaniline being at least about 5:1.
公开/授权文献
- US4933196A Controlling the texture of microwave brownies 公开/授权日:1990-06-12
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