Trifluoromethylations of Alkenes Using PhICF<sub>3</sub>Cl as Bifunctional Reagent
作者:Cong Xu、Wanqiao Huang、Ruzhong Zhang、Chi Gao、Yuxin Li、Mang Wang
DOI:10.1021/acs.joc.9b01901
日期:2019.11.1
of alkenes using PhICF3Cl as bifunctional reagent. Chlorotrifluoromethylated products were obtained when nonconjugated alkenes were treated with PhICF3Cl in 1,4-dioxane at 60 °C, while vinyl C-H trifluoromethylated products were obtained by further elimination of hydrochloride in the case of those conjugated alkene substrates in DMF. Broad substrate scope, especially including complex alkenes bearing
Herein, unprecedented uses of squaraine derivatives as new organic near-infrared photocatalysts are reported. These efficient molecular tools are able to promote oxidation and reduction for organic transformations through photocatalytic conditions. A mechanistic investigation is performed to distinguish between competitive Single ElectronTransfer and Energy Transfer pathways.