参考标题:Base-Catalyzed Intramolecular Defluorination/o-Arylation Reaction For The Synthesis Of 3-Fluoro-1,4-Oxathiine 4,4-Dioxide 作者:Jinlong Qian,Gaoxi Jiang,Lei Kang,Jinlong Zhang,Huameng Yang |发布日期:2021.5 摘要:A Novel Process Involving Base-Catalyzed Intramolecular Defluorination/o-Arylation Of Readily Available α-Fluoro-β-One-Sulfones Was Realized And Provided A Series Of 3-Fluoro-1,4-Oxathiine 4,4-Dioxide Derivatives In Good To Excellent Yields. Unlike Traditional Defluorination Reactions With Stoichiometric Base As The Deacid Reagent, This Process Is Triggered By A Catalytic Amount Of Base (Tmg: Tetramethylguanidine)