HIDROGENACAO DE AMINAS AROMATICAS UTILIZANDO ALUMINATO DE LITIO COMO SUPORTE DO CATALISADOR

HIDROGENACAO DE AMINAS AROMATICAS UTILIZANDO ALUMINATO DE LITIO COMO SUPORTE DO CATALISADOR

This invention relates to an improvement in a process for the catalytic hydrogenation of aromatic amines and to the resultant catalyst. The basic process for hydrogenating both mononuclear and polynuclear aromatic amines comprises contacting an aromatic amine with hydrogen in the presence of a rhodi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DORAI RAMPRASAD, HAO DING, LENORE ANN EMIG, JOHN NELSON ARMOR, GAMINI ANANDA VEDAGE
Format: Patent
Sprache:por
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:This invention relates to an improvement in a process for the catalytic hydrogenation of aromatic amines and to the resultant catalyst. The basic process for hydrogenating both mononuclear and polynuclear aromatic amines comprises contacting an aromatic amine with hydrogen in the presence of a rhodium catalyst under conditions for effecting ring hydrogenation. The improvement in the ring hydrogenation process resides in the use of a rhodium catalyst carried on a lithium aluminate support. Often ruthenium is included.