Novel high-temperature dehydrogenation process

Details Novel high-temperature dehydrogenation process Novel high-temperature dehydrogenation process

C - Chemistry, Metallurgy

07

D

C07D 223/22 (2006.01)

Patent

CA 2095970

The invention relates to a novel process for the preparation of iminostilbene by high-temperature dehydrogenation of iminodibenzyl on an iron oxide/potassium salt contact catalyst in the vapour phase, wherein there is used an iron oxide/potassium salt contact catalyst comprising from 35 to 90 % by weight of an iron compound, calculated as Fe2O3, and from 7 to 35 % by weight of a potassium compound, calculated as K2O, in addition to from 0.0 to 3.5 % by weight of a chromium compound, calculated as Cr2O3, and optionally customary promotors.

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