| 发明名称 |
Process for preparing alkylanthraquinone |
| 摘要 |
A solution of alkylbenzoylbenzoic acid in a solvent that resists sulfonation is contacted at or below about 95 DEG C with oleum to effect ring closure. The product alkylanthraquinone is obtained in solution from which the alkylanthraquinone can be isolated.
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| 申请公布号 |
US4035396(A) |
申请公布日期 |
1977.07.12 |
| 申请号 |
US19760666056 |
申请日期 |
1976.03.11 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MILANO, JAMES |
| 分类号 |
C07C46/00;C07C51/373;(IPC1-7):C07C49/68 |
主分类号 |
C07C46/00 |
| 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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