Aromatic hydrogenation

Chemistry of hydrocarbon compounds – Adding hydrogen to unsaturated bond of hydrocarbon – i.e.,... – Hydrocarbon is aromatic

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Details

Other Related Categories

252429B, 252429R, C07C 502, C07C 510

Type

Patent

Status

active

Patent number

042582261

Description

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 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 Amoronzin
patent: 3238265 (1966-03-01), Mueller
patent: 3511891 (1970-05-01), Taylor et al.
patent: 3558736 (1971-01-01), Bergen et al.

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