New previously unavailable N-vinyl sulfoximines have been synthesized by intermolecular palladium-catalyzed coupling between sulfoximines and vinylbromides in excellent yield. Hydrogenation of the vinyl moiety opens a novel way to α-branched N-alkyl sulfoximines.
Iron-Catalyzed CN Cross-Coupling of Sulfoximines with Aryl Iodides
作者:Arkaitz Correa、Carsten Bolm
DOI:10.1002/adsc.200700508
日期:2008.2.22
An inexpensive and experimentally simple, iron-catalyzed N-arylation reaction of NH-sulfoximines with aryliodides is reported. This complementary method to the known palladium- and copper-catalyzed ones features the use of a combination of environmentally friendly FeCl3 and N,N′-dimethylethylenediamine (DMEDA) as catalytic system and allows the efficient preparation of various N-arylsulfoximines in