Selective hydrogenation of cyclopentadiene
AssigneeThe Goodyear Tire & Rubber Company
InventorsLawson G. Wideman, Henry R. Menapace
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Abstract
There is disclosed a method of selective hydrogenation of cyclopentadiene which comprises contacting cyclopentadiene with hydrogen in the presence of a catalyst comprising aluminum trialkyl and organonickel compounds. The preferred solvent system for the hydrogenation process is an aliphatic alcohol.
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Claims6
In the method of selective hydrogenation of cyclopentadiene which comprises contacting cyclopentadiene with hydrogen and in contact with a homogeneous catalyst, the improvement which comprises utilizing as a homogeneous catalyst a mixture consisting of an aluminum trialkyl and an organonickel compound selected from the group consisting of nickel salts of carboxylic acids, nickel acetyacetonate, nickel salicaldehyde, bis(salicaldehyde) nickel, ethylene diamine nickel, bis(.alpha.-furyl dioxime) nickel and nickel tetracarbonyl in which the mole ratio of the trialkyl aluminum compound/nickel compound ranges from about 1.5/1 to about 10/1.
Dependencies are inferred from the claim text.