Anticancer-Active <i>N</i>-Heteroaryl Amines Syntheses: Nucleophilic Amination of <i>N</i>-Heteroaryl Alkyl Ethers with Amines
作者:Xia Wang、Qiu-Xia Yang、Cheng-Yu Long、Yan Tan、Yi-Xin Qu、Min-Hui Su、Si-Jie Huang、Weihong Tan、Xue-Qiang Wang
DOI:10.1021/acs.orglett.9b01711
日期:2019.7.5
A mild amination protocol of N-heteroaryl alkyl ethers with various amines is described. This transformation is achieved by utilizing simple and readily available base as promoter via C–O bond cleavage, offering a new amination strategy to access several anticancer-active compounds. This work is highlighted by the excellent functional group compatibility, scalability, wide substrate scope, and easy
Application of a 2-aryl indenylphosphine ligand in the Buchwald–Hartwig cross-coupling reactions of aryl and heteroaryl chlorides under the solvent-free and aqueous conditions
An efficient solvent-free protocol for the Buchwald–Hartwig cross-coupling reaction of aryl and heteroaryl chlorides with primary and secondary amines using the Pd(dba)2/ligand 1 catalytic system has been developed. Notably, the catalytic system also efficiently catalyzed the reaction under aqueous conditions.
Buchwald-Hartwig Amination of (Hetero)aryl Chlorides by Employing Mor-DalPhos under Aqueous and Solvent-Free Conditions
作者:Bennett J. Tardiff、Mark Stradiotto
DOI:10.1002/ejoc.201200510
日期:2012.7
catalyst system in the Buchwald–Hartwigamination of (hetero)arylchlorides with primary or secondary amines conducted either underaqueousconditions without the use of co-solvents and/or surfactants or undersolvent-freeconditions (52 examples). We have established that reactions of this type can be conducted without the rigorous exclusion of air, and in the case of the solvent-free reactions, we have
我们报告了 [Pd(cinnamyl)Cl]2/Mor-DalPhos 催化剂体系在(杂)芳基氯化物与伯胺或仲胺的 Buchwald-Hartwig 胺化中的应用,该胺化反应在水性条件下进行,不使用共溶剂和/或表面活性剂或在无溶剂条件下(52 个例子)。We have established that reactions of this type can be conducted without the rigorous exclusion of air, and in the case of the solvent-free reactions, we have demonstrated that appropriately selected liquid and solid reagents can be employed successfully.
A copper-mediated tandem reaction through isocyanide insertion into N–H bonds: efficient access to unsymmetrical tetrasubstituted ureas
A copper-mediated multi-component reaction was developed through isocyanide insertion into N–H bonds of less active secondary arylamines. This approach leads to an efficient synthesis of unsymmetrical tetrasubstituted ureas in one pot.
Palladium-Catalysed Amination of Aryl- and Heteroaryl Halides Using<i>tert</i>-Butyl Tetraisopropylphosphorodiamidite as an Easily Accessible and Air-Stable Ligand
作者:Gheorghe-Doru Roiban、Gerlinde Mehler、Manfred T. Reetz
DOI:10.1002/ejoc.201301789
日期:2014.4
phosphorus compound tert-butyl tetraisopropylphosphorodiamidite, prepared from bis(diisopropylamino)chlorophosphine, is an excellent ligand for palladium-catalysed Buchwald–Hartwig amination of aryl- and heteroaryl chlorides and bromides. Based on its ready accessibility and air-stability, this amination protocol is a practical approach to the synthesis of industrially important aryl- and heteroarylamines.