Here, the first copper-catalyzed aerobic oxidation of primary alcohols to carboxylic acids with TEMPO and KHSO as the co-catalysts has been developed. The reaction exhibits excellent substrate scope and functional group compatibility under mild conditions. Even the very sensitive chiral alcohols, chiral amino alcohols, and alcohol-containing steroid skeletons may be oxidized to afford the corresponding carboxylic acids or lactones without racemization.
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