Process for the catalytic dehydrogenation of piperidine

Details Process for the catalytic dehydrogenation of piperidine Process for the catalytic dehydrogenation of piperidine

1983-07-13

1985-06-11

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546250, C07D21302

Patent

active

045230161

ABSTRACT:
The catalytic dehydrogenation of piperidine to pyridine in the gas phase using hydrogen as the carrier gas is carried out with a silicon dioxide carrier activated with copper, nickel and chromium as the catalyst, the metals copper, nickel and chromium being present in an amount of 5-12:1-5:0.1-<0.7 parts by weight per 100 parts by weight of catalyst. The optimum hydrogen/piperidine molar ratio is 5:1, and purified and dried conversion gas from the dehydrogenation reaction is preferably recycled and used as the hydrogen.

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