1-(1-Hydroxycyclohexy1)-diphenylcarbinol (I) undergoes the pinacol rearrangement on treatment with reagents such as concentrated sulfuric acid, boron trifluoride in acetic acid, or Lucas reagent forming 2, 2-diphenylcycloheptanone (IV) Zinc chloride in acetic anhydride converts the glycol I to 1-(1-phenylcyclohexy1)-phenyl ketone (111) Conclusive evidence for the structures of the rearrangement products is pre\ ented: md a mechanism for the ...
