Electrophilic Trifluoromethylation by Copper-Catalyzed Addition of CF<sub>3</sub>-Transfer Reagents to Alkenes and Alkynes
作者:Pär G. Janson、Ibrahim Ghoneim、Nadia O. Ilchenko、Kálmán J. Szabó
DOI:10.1021/ol3011419
日期:2012.6.1
Regio- and stereoselective Cu-catalyzed addition of the above hypervalentiodinereagent to alkynes and alkenes was achieved. In the presence of CuI, the reaction is suitable to perform trifluoromethyl-benzoyloxylation and trifluoromethyl-halogenation of alkenes and alkynes. Electron-donating substituents accelerate the process, and alkenes react faster than alkynes emphasizing the electrophilic character
Metal-free and light-promoted radical iodotrifluoromethylation of alkenes with Togni reagent as the source of CF<sub>3</sub> and iodine
作者:Redouane Beniazza、Maxime Douarre、Dominique Lastécouères、Jean-Marc Vincent
DOI:10.1039/c7cc00214a
日期:——
Iodotrifluoromethylation of alkenes is effectively conducted by combining benzophenone, “black light”, isopropanol and Togni reagent 1 as the source of both the CF3 group and iodine atom.