Some 1,2-disubstituted benzenes (3a, d–g, and j–m) and 1,2,3-trisubstituted benzenes (3b, c, h, and i) have been prepared by the Lewis acid catalysed trans-t-butylation of the corresponding t-butyl derivatives (1a–m) in the presence of biphenyl used as an acceptor for the t-butyl group.
M. Tashiro and T. Yamato, J. Chem. Soc., Perkin Trans. 1, 1979, 176 DOI: 10.1039/P19790000176
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