发明名称 |
Process for the production of substituted aromatic hydrocarbons from corresponding anilines by dediazoniation |
摘要 |
Substituted aromatic hydrocarbons, e.g. 1,3-difluorobenzene, are produced by dediazoniation of the corresponding aromatic primary amines by converting them into a corresponding diazonium salt in the presence of hypophosphorous acid and a metal catalyst so that the diazonium group is replaced by hydrogen as it is formed. |
申请公布号 |
GB9400569(D0) |
申请公布日期 |
1994.03.09 |
申请号 |
GB19940000569 |
申请日期 |
1994.01.13 |
申请人 |
RHONE-POULENC CHEMICALS LIMITED |
发明人 |
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分类号 |
B01J23/72;B01J27/055;C07B61/00;C07C1/32;C07C15/02;C07C17/35;C07C25/02;C07C25/13;C07C41/18;C07C43/225;C07C319/20;C07C323/09 |
主分类号 |
B01J23/72 |
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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