Provided is a method for producing a perfluoroalkylated compound at low cost, safely and with high efficiency. A method for producing a perfluoroalkylated compound, comprising reacting a bis(perfluoroalkanoyl) peroxide with a compound having a carbon-carbon unsaturated bond and/or an aromatic ring having a hydrogen atom bonded thereto in the presence of a copper catalyst.
Cross-coupling of alkyl halides with aryl or alkyl Grignards catalyzed by dinuclear Ni(ii) complexes containing functionalized tripodal amine-pyrazolyl ligands
作者:Fei Xue、Jin Zhao、T. S. Andy Hor
DOI:10.1039/c3dt32111h
日期:——
Structurally distinctive dinuclear Ni(II) complexes with furan or thiophene tethered amine-pyrazolyl tripodal hybrid ligands have been synthesized and crystallographically characterized. All complexes are catalytically active towards cross-coupling of aryl/alkyl Grignard reagents with β-H containing alkyl halides at room temperature in the presence of N,N,N′,N′-tetramethylethylenediamine (TMEDA). The catalytic efficacy of the complexes is dependent on the tether substituent at the central amine. Two species, Ni(II) TMEDA and Mg(II) TMEDA complexes, have been isolated from the catalytic reaction mixtures under different conditions. Some ligand-stabilized Ni(II) and Mg(II) bimetallic species have also been identified in the ESI-MS spectra.
Domino Iron Catalysis: Direct Aryl-Alkyl Cross-Coupling
作者:Waldemar Maximilian Czaplik、Matthias Mayer、Axel Jacobi von Wangelin
DOI:10.1002/anie.200804434
日期:2009.1.5
Striking while the iron is hot: Cheap FeCl3 serves as the precatalyst for the direct cross‐coupling of aryl and alkyl halides that is based on the sequence of Grignard formation and subsequent cross‐coupling. This one‐pot reaction obviates preformation of hazardous Grignard compounds and limits the amount of reactive organomagnesium intermediates to low quasi‐stationary concentrations. TMEDA=N,N,N′
FeCl<sub>3</sub>-Catalyzed Regio-Divergent Carbosulfenylation of Unactivated Alkenes: Construction of a Medium-Sized Ring
作者:Leiyang Lv、Zhiping Li
DOI:10.1021/acs.joc.8b01621
日期:2018.9.21
carbosulfenylation of unactivated alkenes with electrophilic N-sulfenophthalimides has been developed. This protocol provides a straightforward and efficient access to various medium-sized rings, especially strained 7- and 8-membered carborings with a sulfur atom attached. The endo/exo selectivity in the reaction depends on the atom number of the chain between arene and alkene. Broad substrate scope, high
The combo pack: Copper‐catalyzed trifluoromethylation of alkenes bearing an allylic proton combined with CCbondformation affords the title compounds in good to high yields (see scheme). The reactions are faster than allylic trifluoromethylation, especially in 1,4‐dioxane. A unique 1,6‐oxytrifluoromethylation occurred instead of an anticipated seven‐membered ring forming carbotrifluoromethylation