| 发明名称 |
Process for the preparation of N,N'-disubstituted 1,4-diaminoanthraquinones |
| 摘要 |
A process for the preparation of N,N'-disubstituted 1,4-diaminoanthraquinones has been found which is characterized in that 1,4-dihydroxyanthraquinones are reacted with aliphatic or aromatic amines in the presence of a hydroxycarboxylic acid as a condensation auxiliary.
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| 申请公布号 |
US5639896(A) |
申请公布日期 |
1997.06.17 |
| 申请号 |
US19960647845 |
申请日期 |
1996.05.03 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
KALZ, DIETMAR;SCHMITZ, REINOLD;REINHARDT, KARL-HEINZ;SCHROEDER, JOSEF;MICHAELIS, STEPHAN |
| 分类号 |
C07C59/01;C07C59/06;C07C59/08;C07C59/105;C07C59/245;C07C59/255;C07C59/265;C07C65/05;C07C65/10;C07C65/11;C07C221/00;C07C225/34;C09B1/16;C09B1/26;(IPC1-7):C09B1/20;C09B1/32;C07C50/20 |
主分类号 |
C07C59/01 |
| 代理机构 |
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