Visible‐Light‐Driven Copper‐Catalyzed Synthesis of Sulfonamides from Aryl‐N<sub>2</sub>BF<sub>4</sub> through One‐pot Tricomponent Reaction
作者:Truong Giang Luu、Hee‐Kwon Kim
DOI:10.1002/adsc.202300197
日期:2023.5.23
A method for preparing sulfonamides using visible light is described. In this approach, an aryl diazo tetrafluoroborate salt, 1,4-diazabicyclo[2.2.2]octane bis(sulfur dioxide) (DABSO), and amino benzoate as substrates, CuBr2 as a catalyst, and 3-methyl-3-pentanol as an additive were employed for a one-pot multicomponent reaction to provide sulfonamides under mild reaction conditions. A variety of aryl