Process for a cyclohexanedimethanol using raney metal catalysts

Details Process for a cyclohexanedimethanol using raney metal catalysts Process for a cyclohexanedimethanol using raney metal catalysts

2005-07-19

2005-07-19

Price, Elvis (Department: 1621)

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

Organic compounds

Oxygen containing

C568S861000, C568S862000, C568S863000

Reexamination Certificate

active

06919489

ABSTRACT:
Disclosed is a process for a cyclohexanedimethanol by hydrogenation of a cyclohexane-dicarboxylate ester in the presence of a Raney metal catalyst doped with rhenium. The process is useful for the reparation of 1,4-cyclohexanedimethanol from dialkyl esters of 1,4-cyclohexanedicarboxylate or dialkyl terephthalates. When Raney nickel is used as the catalyst, the process produces CHDM having a high trans content.

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