Metal-free visible-light-induced oxidative cyclization reaction of 1, 6-enynes and arylsulfinic acids leading to sulfonylated benzofurans
a School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, China
b Qinghai Provincial Key Laboratory of Tibetan Medicine Research and Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Qinghai 810008, China
c School of Chemistry and food Engineering, Changsha University of Science and Technology, Changsha 410114, China
d School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
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