Synthesis of Sulfur Perfluorophenyl Compounds Using a Pentafluorobenzenesulfonyl Hypervalent Iodonium Ylide
作者:Jiandong Wang、Shichong Jia、Kenta Okuyama、Zhongyan Huang、Etsuko Tokunaga、Yuji Sumii、Norio Shibata
DOI:10.1021/acs.joc.7b01908
日期:2017.11.17
A novel pentafluorobenzenesulfonyl hypervalent iodonium ylide 3 was designed and synthesized as a useful tool for the preparation of sulfur pentafluorophenyl compounds containing a C6F5S or C6F5SO2 unit. Electrophilic pentafluorophenylthiolation of enamines, formal [3+2] cycloaddition reaction of nitriles and alkynes, and intramolecular SNAr cyclization were achieved using iodonium ylide 3. The fluoro-click
设计并合成了新颖的五氟苯磺酰基高价碘鎓叶立德3,作为制备含C 6 F 5 S或C 6 F 5 SO 2单元的硫五氟苯基化合物的有用工具。烯胺的亲电子五氟苯硫基化,腈和炔的正式[3 + 2]环加成反应以及分子内S N Ar环化反应均使用碘鎓碘化物3。氟点击反应使用通过分子间S中的产品之一还证明Ñ与亲核试剂heterocentered氩反应。