Direct C(sp2)−H Hydroxylation of Arenes with Palladium(II)/Oxygen Using Sulfoximines as a Recyclable Directing Group
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DOI: 10.1002/cctc.201800064
Abstract: The aerobic palladium(II) catalysis presented herein offers facile entry to various substituted phenols through site‐selective C−H hydroxylation of arenes by using sulfoximines as a reusable directing group. The notable aspects of our method include the… read more here.
Keywords: oxygen; directing group; hydroxylation; palladium ... See more keywords
Immediate hydroxylation of arenes to phenols via V-containing all-silica ZSM-22 zeolite triggered non-radical mechanism
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DOI: 10.1038/s41467-018-05351-w
Abstract: Hydroxylation of arenes via activation of aromatic Csp2–H bond has attracted great attention for decades but remains a huge challenge. Herein, we achieve the ring hydroxylation of various arenes with stoichiometric hydrogen peroxide (H2O2) into… read more here.
Keywords: mechanism; hydroxylation; immediate hydroxylation; hydroxylation arenes ... See more keywords