10.1021/jacs.5b06821.s001 Chao Liu Chao Liu Xiaoqing Wang Xiaoqing Wang Zhaodong Li Zhaodong Li Lei Cui Lei Cui Chaozhong Li Chaozhong Li Silver-Catalyzed Decarboxylative Radical Azidation of Aliphatic Carboxylic Acids in Aqueous Solution American Chemical Society 2015 CH 3CN solution group compatibility substrate scope K 2S decarboxylative azidation Aqueous SolutionWe report aliphatic carboxylic acids AgNO 3 alkyl azides Aliphatic Carboxylic Acids tosyl azide 2015-08-12 00:00:00 Journal contribution https://acs.figshare.com/articles/journal_contribution/Silver_Catalyzed_Decarboxylative_Radical_Azidation_of_Aliphatic_Carboxylic_Acids_in_Aqueous_Solution/2141479 We report herein an efficient and general method for the decarboxylative azidation of aliphatic carboxylic acids. Thus, with AgNO<sub>3</sub> as the catalyst and K<sub>2</sub>S<sub>2</sub>O<sub>8</sub> as the oxidant, the reactions of various aliphatic carboxylic acids with tosyl azide or pyridine-3-sulfonyl azide in aqueous CH<sub>3</sub>CN solution afforded the corresponding alkyl azides under mild conditions. A broad substrate scope and wide functional group compatibility were observed. A radical mechanism is proposed for this site-specific azidation.