Phenol → 4,4'-Dihydroxybiphenyl

Participants

Reaction Steps

The procedures of Example 12 were repeated except that 10.0 g of reaction solution (1) obtained in Example 12, 0.1 g of phenol (solvent) and 0.04 g of sulfuric acid (catalyst) were added to the whole portion of mother liquor (I) obtained in Example 12 and that reaction was performed at 185° C. for 3 hours to produce p,p'-biphenol.

Provenance & Evidence