Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1997-05-20
1998-06-02
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
564433, C07D20984, C07C21100
Patent
active
057602476
ABSTRACT:
Diphenylamine can be dehydrocyclized on noble metal catalysts in the liquid phase at temperatures of 200.degree. to 340.degree. C. The reaction proceeds with a surprisingly high selectivity.
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Fiege Helmut
Jentsch Joerg-Dietrich
Schnatterer Albert
Zirngiebl Eberhard
Bayer Aktiengesellschaft
Keating Dominic
Richter Johann
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