Process for preparing hydroxydiphenyl

Details Process for preparing hydroxydiphenyl Process for preparing hydroxydiphenyl

1974-03-11

1976-01-13

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 3706

Patent

active

039325369

ABSTRACT:
Hydroxydiphenyl is prepared by dehydrogenating a starting material comprising a completely and/or partly hydrogenated hydroxydiphenyl in the gaseous phase in the presence of a dehydrogenation catalyst. The starting material is free from autoxidation products less volatile than the completely or partially hydrogenated hydroxydiphenyl, or of a peroxidic nature, and only contain products of an acid nature to such an extent than the acid number of the starting material is less than 0.2.

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