| 发明名称 |
Process for the preparation of amino aryl sulfonic acids. |
| 摘要 |
<p>A process for the preparation of aminoarylsulfonic acids is described by heating of sulfolane solutions of arylamine's acid sulfates. Particularly, sulfanilic acid is obtained from aniline in high yields and purity.</p> |
| 申请公布号 |
EP0289689(A1) |
申请公布日期 |
1988.11.09 |
| 申请号 |
EP19870830170 |
申请日期 |
1987.05.08 |
| 申请人 |
APITAL PRODUZIONI INDUSTRIALI S.P.A. |
发明人 |
ROSSI, PIERO;QUINTINI, MASSIMO |
| 分类号 |
C07C67/00;C07C301/00;C07C309/45;C07C309/46;C07C309/48;(IPC1-7):C07C143/58;C07C143/63 |
主分类号 |
C07C67/00 |
| 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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