Method for the hydrogenation of aromatic substrates and means th

Details Method for the hydrogenation of aromatic substrates and means th Method for the hydrogenation of aromatic substrates and means th

1978-06-30

1980-08-12

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252429R, B01J 3114, B01J 3130

Patent

active

042172462

ABSTRACT:
For hydrogenating unsaturated compounds, and especially those containing aromatic rings, a catalytic system of novel conception is suggested. This is a quaternary heterogeneous system which comprises an elemental metal of Groups IIA or IIIA, a primary or a secondary amine, a Ni or a Co halide, and an activator such as Na, NaH, NaAlH.sub.4 MgEt.sub.2 or AlEt.sub.3.
Very satisfactory results as to yields and smoothness of reaction are obtained in the conversion of benzene to cyclohexane and of toluene to methylcyclohexane.

REFERENCES:
patent: 3068180 (1962-12-01), van Amerongen et al.
patent: 3238265 (1966-03-01), Mueller
patent: 3511891 (1970-05-01), Taylor et al.
patent: 3558736 (1971-01-01), Bergem et al.

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