| 发明名称 |
Process for the preparation of 1-amino-2-bromo-4-hydroxyanthraquinone |
| 摘要 |
1-Amino-2-bromo-4-hydroxyanthraquinone is obtained in good yields and in an environmentally acceptable manner by bromination of 1-aminoanthraquinone in 2 to 5 times the quantity by weight of 80 to 98% strength sulphuric acid and using 1.1-1.5 mole of bromine under elevated pressure.
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| 申请公布号 |
US4741867(A) |
申请公布日期 |
1988.05.03 |
| 申请号 |
US19850698988 |
申请日期 |
1985.02.07 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
DITTMER, HELMUT;SCHNEIDER, JUERGEN;SCHOENHAGEN, HUBERT;KRUEGERMANN, CLAUS |
| 分类号 |
C09B1/503;C07C225/36;C09B1/50;(IPC1-7):C07C97/26 |
主分类号 |
C09B1/503 |
| 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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