发明名称 |
Process for the preparation of halogenated aromatic primary amines |
摘要 |
The catalytic hydrogenation of halogenated nitro aromatics using Raney nickel in the presence of a formamidine salt as dehalogenation inhibitor affords halogenated aromatic primary amines in high yields and high chemical purity within short reaction times even at elevated temperatures.
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申请公布号 |
US4960936(A) |
申请公布日期 |
1990.10.02 |
申请号 |
US19880286102 |
申请日期 |
1988.12.19 |
申请人 |
CIBA-GEIGY CORPORATION |
发明人 |
BAUMEISTER, PETER;SCHERRER, WILFRIED |
分类号 |
C07C211/36;C07C67/00;C07C209/00;C07C209/36;C07C211/52 |
主分类号 |
C07C211/36 |
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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