Hydrogenation of cyclopentadiene to form cyclopentene

Details Hydrogenation of cyclopentadiene to form cyclopentene Hydrogenation of cyclopentadiene to form cyclopentene

C - Chemistry, Metallurgy

07

C

260/694.5

C07C 13/12 (2006.01) B01J 31/12 (2006.01) B01J 31/14 (2006.01) C07C 5/05 (2006.01)

Patent

CA 1113510

IMPROVEMENT IN HYDROGENATION OF CYCLOPENTADIENE TO FORM CYCLOPENTENE Abstract of the Disclosure There is disclosed an improved process for selectively hydrogenating cyclopentadiene to form cyclo- pentene in the presence of a catalyst comprising (A) a hydrocarbon-soluble nickel compound such as nickel salts of carboxylic acids or organo nickel compounds, (B) an organo reducing agent such as organoaluminum compounds or lithium alkyl compounds and (C) pyridine, the improve- ment being that the soluble nickel compound and the pyridine are employed in amounts wherein the mole ratio of aluminum or lithium to the nickel ranges from 7/1 to 11/1 and the mole ratio of the pyridine to the nickel compound ranges from 1/1 to 2.5/1.

331038

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