| 发明名称 |
Process for preparing 2-benzoylbenzoic acids |
| 摘要 |
Substituted 2-benzoylbenzoic acids, useful as intermediates for preparing valuable chromogenic phthalide compounds, are prepared by reacting certain substituted 3,3-diphenylphthalides with a lower alkanoic acid and water.
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| 申请公布号 |
US4431840(A) |
申请公布日期 |
1984.02.14 |
| 申请号 |
US19820436003 |
申请日期 |
1982.10.22 |
| 申请人 |
STERLING DRUG INC. |
发明人 |
STERKEN, GORDON J.;KANNAN, RAMAMURTHI;KASSNER, JAMES E. |
| 分类号 |
C07C229/66;(IPC1-7):C07C101/78 |
主分类号 |
C07C229/66 |
| 代理机构 |
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| 主权项 |
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| 地址 |
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