| 发明名称 |
Process for the preparation of 2,2'-dichlorohydrazobenzene. |
| 摘要 |
2,2'-Dichlorohydrazobenzene is prepared by reduction of 2,2'-dichloroazoxybenzene with formaldehyde and a naphthoquinone, characterised in that the reduction is carried out in the presence of a non-ionic surfactant in a water-miscible polar solvent.
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| 申请公布号 |
EP0005211(A2) |
申请公布日期 |
1979.11.14 |
| 申请号 |
EP19790101181 |
申请日期 |
1979.04.19 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
SOMLO, TIBOR, DR.;VOGEL, ULRICH, DR.;KAESER, WERNER |
| 分类号 |
C07C243/22;C07C67/00;C07C241/00;(IPC1-7):C07C109/04 |
主分类号 |
C07C243/22 |
| 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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