Selective hydrogenation of cyclopentadiene to form cyclopentene

Details Selective hydrogenation of cyclopentadiene to form cyclopentene Selective hydrogenation of cyclopentadiene to form cyclopentene

1977-11-11

1978-08-22

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 506, C07C 516

Patent

active

041089111

ABSTRACT:
There is disclosed a process for the preparation of cyclopentene which comprises selectively hydrogenating cyclopentadiene in the liquid phase by contacting cyclopentadiene with hydrogen in the presence of a hydrogenation catalyst comprising a highly dispersed form of nickel in which a polyol selected from the group consisting of 1,2-ethanediol, 1,2-propanediol, 1,3-propanediol, 1,2,3-propanetriol, 1,2-butanediol, 1,4-butanediol, 1,3-butanediol, 1,2,4-butanetriol and 1,2,3-butanetriol is employed in the reaction mixture.

REFERENCES:
patent: 2360555 (1944-10-01), Evans et al.
patent: 3022359 (1962-02-01), Wiese et al.
patent: 3937745 (1976-02-01), Wideman et al.

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