Process for the production of 2- and 4-tert-butylcyclohexanols w

Details Process for the production of 2- and 4-tert-butylcyclohexanols w Process for the production of 2- and 4-tert-butylcyclohexanols w

1984-10-22

1985-11-05

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568830, 568832, C07C 3508

Patent

active

045515646

ABSTRACT:
2- and 4-tert-butylcyclohexanols are produced having high proportions of cis-isomers, by hydrogenating the corresponding tert-butylphenols in the presence of Pd and Ru catalysts in two stages under hydrogen pressures of above 200 bar and at temperatures of 70.degree.-280.degree. C. In the first stage, a Pd catalyst is employed, and a Ru catalyst is used in the second stage.

REFERENCES:
patent: 2927127 (1960-03-01), Sommerville et al.
patent: 3124614 (1964-03-01), Dankert et al.
patent: 4162267 (1979-07-01), Fisher et al.
patent: 4212990 (1980-07-01), Yasuhara et al.
patent: 4343955 (1982-08-01), Oshima et al.

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