| 发明名称 |
PROCESS FOR PREPARING SUBSTITUTED 4,4'-DIAMINOSTILBENE-2,2'-DISULPHONIC ACID SALTS. |
| 摘要 |
During the preparation of substituted 4,4'-diaminostilbene-2,2'-disulphonic acid salts the speed of the reaction can be considerably increased by reacting the tetrachlorine derivative (III) with the aniline (IV) in the presence of the amine (VI) as acid absorber. |
| 申请公布号 |
MXPA99001116(A) |
申请公布日期 |
2004.10.19 |
| 申请号 |
MX19990001116 |
申请日期 |
1996.07.31 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
ROLF BROCKMANN |
| 分类号 |
C07D251/68;D06L3/12;(IPC1-7):C07D251/68;C07D000/251 |
主分类号 |
C07D251/68 |
| 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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