Reaktion #4084
ord-07290cbe3a6d4b7aa78af205e4526201
Reaktionsgleichung
phenol
4,4'-biphenol
4-hydroxycyclohexanone
→
4,4-bis(4-hydroxyphenyl)cyclohexanol
Reagenzien
Keine
Reaktionsbedingungen
Detaillierte Bedingungen
See reaction.notes.procedure_details.
Vorschrift
A process for the preparation of 4,4'-biphenol which comprises reacting 4-hydroxycyclohexanone with phenol in the presence of an acid catalyst to give 4,4-bis(4-hydroxyphenyl)cyclohexanol of the formula (I) ##STR5## and successively subjecting 4,4-bis(4-hydroxyphenyl)cyclohexanol to decomposition and dehydrogenation reactions in the presence of a dehydrogenation catalyst.