| 发明名称 |
Preparation of o-nitrobenzaldehyde |
| 摘要 |
A process for the preparation of o-nitrobenzaldehyde, comprising converting to the corresponding acetals a mixture of nitrated benzaldehyde which contains about 10 to 30% of o-nitrobenzaldehyde and about 70 to 90% of m-nitrobenzaldehyde, removing the o-nitrobenzaldehyde acetal by distillation, and then converting the o-nitrobenzaldehyde acetal to o-nitrobenzaldehyde.
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| 申请公布号 |
US4450297(A) |
申请公布日期 |
1984.05.22 |
| 申请号 |
US19830476093 |
申请日期 |
1983.03.17 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
PREISS, MICHAEL;GAU, WOLFGANG;BEHRE, HORST |
| 分类号 |
C07C201/16;C07C;C07C45/78;C07C67/00;C07C201/00;C07C205/44;(IPC1-7):C07C45/78;C07C79/36;C07C76/06 |
主分类号 |
C07C201/16 |
| 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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