Process of hydrogenating benzenes and group IVa metal hydride catalysts therefor
AssigneeAllied Corporation
InventorGuido P. Pez
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Abstract
Benzene, or an alkylbenzene, is hydrogenated by reaction with hydrogen in the presence of a Group IVa (titanium family) or Va metal hydride catalyst. The catalyst may be a simple hydride such as ZrH.sub.2 or a hydride of an alloy such as Cu.sub.3 Zr or may be a complex material. One complex material is the reaction product of a Group IVa or Va metal halide, such as ZrCl.sub.4 with an alkyllithium or aryllithium, such as n-butyllithium, in a hydrocarbon solvent.
Claims12
A process of producing cyclohexene or alkylcyclohexene which comprises reacting liquid benzene or alkylbenzene with hydrogen gas in the presence of a catalytic amount of a solid carbonaceous group IVa metal hydride.
- said solid carbonaceous group IVa metal hydride having been produced by reacting a group IVa metal halide with a hydrocarbon solution of an alkyllithium or aryllithium at a temperature between about 0.degree. and about 120.degree. C., recovering the solid carbonaceous product, and reacting the solid carbonaceous product with hydrogen to produce said solid carbonaceous Group IVa metal hydride.
A process of producing cyclohexene or alkylcyclohexene which comprises reacting liquid benzene or alkylbenzene with hydrogen gas in the presence of a solid catalyst comprising a group IVa metal hydride selected from the group consisting of zirconium hydride, titanium hydride and hafnium hydride.
Dependencies are inferred from the claim text.