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)
Calcium-Catalyzed Direct Amination of π-Activated Alcohols
作者:Stefan Haubenreisser、Meike Niggemann
DOI:10.1002/adsc.201000768
日期:2011.2.11
A calcium-catalyzed direct amination of π-activated alcohols with different nitrogen nucleophiles under very mild reaction conditions is presented. The high reactivity of the calcium catalyst allows for an efficient conversion of secondary and tertiary benzylic and allylic as well as tertiary propargylic alcohols. Nitrogen nucleophiles such as carbamates, tosylamides and anilines are readily alkylated
a variety of alcohols with anilines, because the unique acidity of the H-mont catalyst effectively prevents the neutralization by the basic anilines. In addition, amides, indoles, 1,3-dicarbonyl compounds, and allylsilane act as nucleophiles for the H-mont-catalyzed substitutions of alcohols, which allowed efficient formation of various C−N and C−C bonds. The solid H-mont was reusable without any appreciable
n-Bu<sub>4</sub>NI/TBHP-catalyzed direct amination of allylic and benzylic C(sp<sup>3</sup>)–H with anilines under metal-free conditions
作者:Xusheng Zhang、Min Wang、Pinhua Li、Lei Wang
DOI:10.1039/c4cc01189a
日期:——
A novel and efficient n-Bu4NI/TBHP-catalyzed direct amination of allylic and benzylic C(sp(3))-H with anilines to form N-substituted anilines under metal-free conditions has been developed.
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.