Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1982-09-02
1983-09-13
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07C 8504
Patent
active
044044003
ABSTRACT:
The invention relates to a process for the preparation of 4-nitrodiphenylamines by the reaction of halogenonitrobenzenes with primary aromatic amines in the presence of copper or a copper compound, a neutralizing agent and a cyclic diaza compound.
REFERENCES:
patent: 3313854 (1967-04-01), Levy
patent: 3393241 (1968-07-01), Nielsen
patent: 4122118 (1978-10-01), George et al.
Heise Klaus-Peter
Wedemeyer Karlfried
Bayer Aktiengesellschaft
Shaver Paul F.
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