Cu-catalyzed chlorotrifluoromethylation of alkenes with CF3SO2Cl
摘要:
Although CF3SO2Cl is an efficient chlorotrifluoromethylation reagent, an expensive transition metal complex usually has to be used. We found that CuCl2-catalyzed chlorotrifluoromethylation of alkenes with CF3SO2Cl occurred smoothly under mild conditions. A wide substrate scope and good functional group compatibility were observed.
Iron-Mediated Chlorotrifluoromethylation of Alkenes with Sodium Trifluoromethanesulfinate
作者:Bin Yang、Xiu-Hua Xu、Feng-Ling Qing
DOI:10.1002/cjoc.201500641
日期:2016.5
An iron‐mediated three‐component chlorotrifluoromethylation of both styrenes and aliphatic alkenes has been presented here. This reaction employs ferric chloride (FeCl3) as the Cl source and the Langlois reagent (CF3SO2Na) as the CF3 source. It provides a convenient pathway towards a wide range of chlorotrifluoromethylated compounds.
本文介绍了铁介导的苯乙烯和脂族烯烃的三组分三氟氯甲基化反应。该反应使用氯化铁(FeCl 3)作为Cl源,使用Langlois试剂(CF 3 SO 2 Na)作为CF 3源。它为广泛的三氟氯甲基化化合物的制备提供了便利的途径。
Cu Photoredox Catalysts Supported by a 4,6-Disubstituted 2,2′-Bipyridine Ligand: Application in Chlorotrifluoromethylation of Alkenes
作者:Murat Alkan-Zambada、Xile Hu
DOI:10.1021/acs.organomet.8b00585
日期:2018.11.12
exhibit longer excited state lifetimes and higher Cu(I)/Cu(II) potentials compared to the most widely used Cucatalyst, [Cu(dap)2]Cl. The complex with Xantphos as the P^P ligand is an efficientcatalyst for chlorotrifluoromethylation of terminal alkenes, especially styrenes, which had been challenging substrates for previously reported photoredoxreactions. This chlorotrifluoromethylation method enables
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
Anodically Coupled Electrolysis for the Heterodifunctionalization of Alkenes
作者:Ke-Yin Ye、Gisselle Pombar、Niankai Fu、Gregory S. Sauer、Ivan Keresztes、Song Lin
DOI:10.1021/jacs.7b13387
日期:2018.2.21
Herein, we discuss the strategic use of anodically coupled electrolysis, an electrochemical process that combines two parallel oxidative events, as a complementary approach to existing methods for redox organic transformations. Specifically, we demonstrate anodically coupled electrolysis in the regio- and chemoselective chlorotrifluoromethylation of alkenes.
Cu-catalyzed chlorotrifluoromethylation of alkenes with CF3SO2Cl
作者:Wei Zhang、Jin-Hong Lin、Ji-Chang Xiao
DOI:10.1016/j.jfluchem.2018.09.001
日期:2018.11
Although CF3SO2Cl is an efficient chlorotrifluoromethylation reagent, an expensive transition metal complex usually has to be used. We found that CuCl2-catalyzed chlorotrifluoromethylation of alkenes with CF3SO2Cl occurred smoothly under mild conditions. A wide substrate scope and good functional group compatibility were observed.