| 发明名称 |
Process for the production of 4-hydroxy-3,5-dibromobenzaldehyde |
| 摘要 |
Production of 4-hydroxy-3,5-dibromobenzaldehyde reacting p-cresol with bromine, converting the 2,6-dibromo-p-cresol obtained as the first reaction product into 4-hydroxy-3,5-dibromobenzal bromide by further bromination and hydrolysing the latter.
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| 申请公布号 |
US3996291(A) |
申请公布日期 |
1976.12.07 |
| 申请号 |
US19750560831 |
申请日期 |
1975.03.21 |
| 申请人 |
CIBA-GEIGY CORPORATION |
发明人 |
DIETRICH, HENRI;KALLEN, JORG;SEIFERT, GOTTFRIED |
| 分类号 |
C07C47/565;C07C37/62;C07C45/00;C07C45/43;C07C45/80;C07C45/81;C07C67/00;(IPC1-7):C07C45/00 |
主分类号 |
C07C47/565 |
| 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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