| 发明名称 |
Process for the preparation of monoaminoviolanthrone |
| 摘要 |
A novel process for the preparation of monoaminoviolanthrone is described, which consists in reacting mononitroviolanthrone with formaldehyde in the presence of alkaline compounds and of a catalyst in an aqueous-alcoholic solution.
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| 申请公布号 |
DE3337675(A1) |
申请公布日期 |
1984.04.26 |
| 申请号 |
DE19833337675 |
申请日期 |
1983.10.17 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
SCHMUTZ,PAUL;ANGLIKER,HANS-JOERG,DR. |
| 分类号 |
C09B3/30;(IPC1-7):C07C97/10;C09B3/00 |
主分类号 |
C09B3/30 |
| 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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