| 发明名称 |
Process for the preparation of 4,4'-dinitrodiphenylamine |
| 摘要 |
Process for the preparation of 4,4'-dinitrodiphenylamine which comprises reacting 1 mole of 4-halonitrobenzene with about 1 to about 3 moles of an alkali metal cyanate in the presence of about 0.5 to about 5 moles of water in dimethylsulfoxide at temperatures of about 150 DEG to about 170 DEG C.
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| 申请公布号 |
US4990673(A) |
申请公布日期 |
1991.02.05 |
| 申请号 |
US19890437685 |
申请日期 |
1989.11.16 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
TRONICH, WOLFGANG;HESS, PETER |
| 分类号 |
C07C209/22;C07C209/10;C07C211/56 |
主分类号 |
C07C209/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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