| 发明名称 |
Process for the preparation of 4-bromophthalic anhydride. |
| 摘要 |
<p>A process for the production of 4-bromophthalic anhydride which comprises the reaction of 4-chlorotetrahydrophthalic anhydride with elemental bromine, in the presence of a catalytically effective amount of iron or an iron salt is disclosed.</p> |
| 申请公布号 |
EP0429040(A2) |
申请公布日期 |
1991.05.29 |
| 申请号 |
EP19900122077 |
申请日期 |
1990.11.19 |
| 申请人 |
OCCIDENTAL CHEMICAL CORPORATION |
发明人 |
COCOMAN, MARY K.;SCHWARTZ, WILLIS T. |
| 分类号 |
C07D307/89;B01J23/745;B01J27/128;C07B61/00;C07C51/567 |
主分类号 |
C07D307/89 |
| 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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