Copper-mediated direct ortho C–H bond sulfonylation of benzoic acid derivatives with sodium sulfinates was achieved by employing an 8-aminoquinoline moiety as the bidentate directing group. Various aryl sulfones were synthesized in good yields with excellent regioselectivity.
J. Liu, L. Yu, S. Zhuang, Q. Gui, X. Chen, W. Wang and Z. Tan, Chem. Commun., 2015, 51, 6418 DOI: 10.1039/C5CC00202H
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