Process for producing cycloolefin

Details Process for producing cycloolefin Process for producing cycloolefin

1998-06-22

1999-10-26

Yildirim, Bekir L.

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Partial

585269, C07C 511

Patent

active

059732180

ABSTRACT:
A process for producing a cycloolefin by partial hydrogenation of a monocyclic aromatic hydrocarbon with hydrogen in the presence of a ruthenium catalyst, water and a metal sulfate, wherein the hydrogenation is conducted while changing the concentration of the metal sulfate dissolved in an aqueous phase in which the catalyst is present.

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patent: 5157179 (1992-10-01), Setoyama et al.
patent: 5569803 (1996-10-01), Takewaki et al.
Soede et al. "The partial hydrogenation of benzene and of toluene over ruthenium catalysts . . . ", paper presented at 3rd International Heterogenous Cata . . . Sympmosium; Studies of Science and Catalysis v78, 345-52 (Apr. 1993).
J. Struijk, et al, "Partial liquid-phase hydrogenation of benzene to cyclohexene over ruthenium catalysts in the presence of an aqueous salt solution", Applied Catalysis A:General, 89 (1992), Elsevier Science Publishers B.V., Amsterdam pp. 77-102.

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