Preparation of dimethyl cyclohexanedicarboxylates

Details Preparation of dimethyl cyclohexanedicarboxylates Preparation of dimethyl cyclohexanedicarboxylates

1993-06-15

1994-06-07

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

C07C 6974

Patent

active

053191293

ABSTRACT:
Disclosed is a process for the preparation of a dimethyl cyclohexanedicarboxylate by the hydrogenation of the analogous dimethyl benzenedicarboxylate ester in the presence of a class of palladium on alumina catalysts which have a unique combination of characteristics. The use of the catalysts permits the process to be carried out at significantly lower process pressures.

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patent: 3027398 (1962-03-01), Foohey
patent: 3334149 (1967-08-01), Akin et al.
patent: 3428668 (1969-02-01), Huelsmann et al.
patent: 3444232 (1969-05-01), Jaffe
patent: 4024173 (1977-05-01), Lenz et al.

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