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Oxygenation of phenylboronic acid to phenol is promoted by thiol derivatives such as 2-aminothiophenol under aerobic conditions in water without metal catalyst. A plausible mechanism involves autoxidation of thiol to generate hydrogen peroxide in situ, which converts phenylboronic acid into phenol under basic conditions. Since thiols are often utilized as protective ligands for gold nanoparticles...
Glycerol was oxidized catalytically under aerobic conditions in the presence of monometallic nanoclusters of gold on poly(1-vinylpyrrolidin-2-one) (PVP) to give hydroxymalonic acid (tartronic acid) as the major product, together with 2,3-dihydroxypropanoic acid (glyceric acid) and hydroxyacetic acid (glycolic acid) as minor products. In contrast, oxalic acid was selectively obtained when bimetallic...
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