| 发明名称 |
Process for the preparation of carbazole |
| 摘要 |
Diphenylamine can be dehydrocyclized on noble metal catalysts in the liquid phase at temperatures of 200 DEG to 340 DEG C. The reaction proceeds with a surprisingly high selectivity.
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| 申请公布号 |
US5760247(A) |
申请公布日期 |
1998.06.02 |
| 申请号 |
US19970859625 |
申请日期 |
1997.05.19 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
SCHNATTERER, ALBERT;FIEGE, HELMUT;JENTSCH, JOERG-DIETRICH;ZIRNGIEBL, EBERHARD |
| 分类号 |
C07D209/82;B01J23/38;B01J23/42;C07D209/86;(IPC1-7):C07D209/84;C07C211/00 |
主分类号 |
C07D209/82 |
| 代理机构 |
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代理人 |
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| 主权项 |
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