Thiele acetylation of all mono-, di-, and tri-bromo-p-benzoquinones, and of iodo- and 2,6-di-iodo-p-benzoquinone is described. Contrary to a previous report, 2,6-dichloro-p-benzoquinone readily undergoes Thiele acetylation. The assignments of orientation of some previously reported dibromotrimethoxy-benzenes have been shown to be erroneous.
J. M. Blatchly, J. F. W. McOmie and J. B. Searle, J. Chem. Soc. C, 1969, 1350 DOI: 10.1039/J39690001350
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