Tuneable asymmetric copper-catalysed allylic amination and oxidation reactions
作者:J. Stephen Clark、Caroline Roche
DOI:10.1039/b509678b
日期:——
Asymmetric allylic amination or oxidation can be achieved by reaction of an alkene with a peroxycarbamate catalysed by a chiral copper bis-oxazoline complex, and the reaction can be tuned to give either the amination or oxidation product by reagent choice.
Palladium-Catalyzed Allylation of Acidic and Less Nucleophilic Anilines Using Allylic Alcohols Directly
作者:Yi-Chun Hsu、Kim-Hong Gan、Shyh-Chyun Yang
DOI:10.1248/cpb.53.1266
日期:——
activation of C-O bonds in allylicalcohols by palladium complexes has been accelerated by carrying out the reactions in the presence of titanium(IV) isoproxide and 4 A molecular sieves. The acidic and less nucleophilic anilines such as diphenylamine, phenothiazine, 4-cyanoaniline, and nitroanilines are efficiently allylated under palladium catalysis using allylicalcohols as allylating reagents.
A Highly Active Palladium Catalyst for Intermolecular Hydroamination. Factors that Control Reactivity and Additions of Functionalized Anilines to Dienes and Vinylarenes
作者:Adam M. Johns、Masaru Utsunomiya、Christopher D. Incarvito、John F. Hartwig
DOI:10.1021/ja056003z
日期:2006.2.1
this more reactive catalyst, we demonstrate that additions of amines to vinylarenes and dienes occur in the presence of potentially reactive functional groups, such as ketones with enolizable hydrogens, free alcohols, free carboxylic acids, free amides, nitriles, and esters. The catalyst for these reactions is generated from [Pd(eta(3)-allyl)Cl](2) (with or without added AgOTf) or [Pd(CH(3)CN)(4)](BF(4))(2)