Water as a Hydroxy Source in a Rh-III-Catalyzed Directed C-H Hydroxylation of 2-Arylpyridines

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A [(RhCp)-Cp-III*]-catalyzed directed C-H hydroxylation of 2-arylpyridines is described (Cp*=1,2,3,4,5-pentamethylcyclopenta-2,4-dienyl), in which the combination of [(RhCp*Cl-2)(2)]/AgF, PhI(OPiv)(2), and water is used an effective catalytic system. According to our mechanistic studies, including O-18-labeling experiments and X-ray crystallographic analysis of an intermediate Rh complex, we demonstrate that water and PhI(OPiv)(2) are required for Rh catalysis as the hydroxy source and the oxidant, respectively.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2017-07
Language
English
Article Type
Article
Keywords

BOND ACTIVATION; ARENES; FUNCTIONALIZATIONS; OXYGENATION; OXIDANT; LIGAND; OLEDS; O-2; IR

Citation

ASIAN JOURNAL OF ORGANIC CHEMISTRY, v.6, no.7, pp.907 - 912

ISSN
2193-5807
DOI
10.1002/ajoc.201700196
URI
http://hdl.handle.net/10203/225214
Appears in Collection
CH-Journal Papers(저널논문)
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