| 发明名称 |
PROCESS FOR THE PREPARATION OF CHLORINE-SUBSTITUTED AROMATIC AMINES |
| 摘要 |
In the preparation of chlorinated aromatic amines by reaction of corresponding nitro compounds with hydrogen under pressure, at elevated temperature and in the presence of a solvent and small amounts of a basic compound, fewer by-products are formed by using platinum and nickel and/or cobalt on an active charcoal support.
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| 申请公布号 |
US5120875(A) |
申请公布日期 |
1992.06.09 |
| 申请号 |
US19900566593 |
申请日期 |
1990.08.13 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
BIRKENSTOCK, UDO;KAPPLER, ULRICH;SCHMIDT, HERBERT;ZANDER, JUERGEN |
| 分类号 |
B01J23/89;C07B61/00;C07C209/36;C07C211/52 |
主分类号 |
B01J23/89 |
| 代理机构 |
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代理人 |
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