Pd-PEPPSI-IPent<sup>An</sup> Promoted Deactivated Amination of Aryl Chlorides with Amines under Aerobic Conditions
作者:Fei-Dong Huang、Chang Xu、Dong-Dong Lu、Dong-Sheng Shen、Tian Li、Feng-Shou Liu
DOI:10.1021/acs.joc.8b01205
日期:2018.8.17
We report herein a highly efficient Pd-catalyzed amination by “bulky-yet-flexible” Pd-PEPPSI-IPentAn complexes. The relationship between the N-heterocyclic carbenes (NHCs) structure and catalytic properties was discussed. Sterically hindered (hetero)arylchlorides and a variety of aliphatic and aromatic amines can be applied in this cross-coupling, which smoothly proceeded to provide desired products
我们在此报告了一种由“大体积但还灵活”的Pd-PEPPSI-IPent An复合物进行的高效Pd催化胺化反应。讨论了N-杂环卡宾(NHCs)结构与催化性能之间的关系。可以在该交叉偶联中应用立体受阻的(杂)芳基氯化物以及各种脂肪族和芳香族胺,它们可以顺利进行以提供所需的产物。操作简单的协议强调了在不排除空气和水分的情况下,在温和条件下可快速获得C Ar -N键的形成。
Carbene adduct of cyclopalladated ferrocenylimine as an efficient catalyst for the amination of aryl chlorides
作者:Jingya Li、Mengjun Cui、Ajuan Yu、Yangjie Wu
DOI:10.1016/j.jorganchem.2007.05.022
日期:2007.8
A novel air- and moisture-stable carbene adduct of cyclopalladatedferrocenylimine has been synthesized and characterized. The structure of this compound was determined by X-ray crystal structure analysis. This adduct has been applied as an efficientcatalyst for the amination of aryl chlorides.
Organonickel complexes encumbering bis-imidazolylidene carbene ligands: Synthesis, X-ray structure and catalytic insights on Buchwald-Hartwig amination reactions
作者:Muthukumaran Nirmala、Gandhi Saranya、Periasamy Viswanathamurthi、Roberta Bertani、Paolo Sgarbossa、Jan Grzegorz Malecki
DOI:10.1016/j.jorganchem.2016.12.029
日期:2017.3
bis(diimidazolylidene) NHC ligands and two non coordinating bromide counter ions in tetradentate C4 fashion. A survey of their catalytic activity in Buchwald−Hartwig amination has been performed. The newly synthesized complexes also catalyzed the amination of aryl chlorides in the presence of KOtBu. Various aryl chlorides and amines can react smoothly to give the corresponding aminated products in moderate to high yields
Pd-Catalyzed Aryl Amination Mediated by Well Defined, N-Heterocyclic Carbene (NHC)–Pd Precatalysts, PEPPSI
作者:Michael G. Organ、Mirvat Abdel-Hadi、Stephanie Avola、Igor Dubovyk、Niloufar Hadei、Eric Assen B. Kantchev、Christopher J. O'Brien、Mahmoud Sayah、Cory Valente
DOI:10.1002/chem.200701621
日期:2008.3.7
Pd-N-heterocyclic carbene (NHC)-catalyzed Buchwald-Hartwig amination protocols mediated by Pd-PEPPSI precatalysts is described. These protocols provide access to a range of hindered and functionalized drug-like aryl amines in high yield with both electron-deficient and electron-rich aryl- and heteroaryl chlorides and bromides. Variations in solvent polarity, base and temperature are tolerated, enhancing
A highly efficient precatalyst for amination of aryl chlorides: synthesis, structure and application of a robust acenaphthoimidazolylidene palladium complex
作者:Tao Tu、Weiwei Fang、Jian Jiang
DOI:10.1039/c1cc15503b
日期:——
A robust palladium NHC complex was synthesized and exhibits exceptional activity and selectivity as a precatalyst in the amination of aryl chlorides and tolerates a wide range of substrates at low catalyst loadings.