Facile synthesis of 2,2′-dialkylated 4,4′-oxybiphenols
2,2′-Alkyl-disubstituted 4,4′-oxybiphenols (4) were prepared in good yields through esterification of 4,4′-oxybiphenol (1), AlCl 3-promoted Fries rearrangement, and AlCl3/NaBH 4-promoted reduction reaction. Copyright Taylo