[DE] SUBSTITUIERTE TETRAHYDROISOCHINOLINE ALS MMP-INHIBITOREN, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG ALS MEDIKAMENT [EN] SUBSTITUTED TETRAHYDROISOCHINOLINES USED IN THE FORM OF MMP INHIBITORS, METHOD FOR THE PRODUCTION AND USE THEREOF IN THE FORM OF DRAGS [FR] TETRAHYDRO-ISOQUINOLEINES SUBSTITUEES, UTILISEES COMME INHIBITEURS MMP, LEUR PROCEDE DE FABRICATION ET LEUR UTILISATION COMME MEDICAMENTS
我们通过 Au I -Au III催化循环开发了一种有效的金催化的(杂)芳基碘化物与伯醇和仲醇的 C-O 交叉偶联反应。该协议具有水分/空气不敏感性、操作简单和出色的官能团耐受性。无论底物的空间位阻和电子因素(富电子或贫电子)如何,都获得了良好的产率,并且可以保留手性醇起始材料的手性。我们的协议适用于分子间和分子内偶联。此外,将 RuPhos 配体应用于金催化的交叉偶联。不平衡的离子对促进剂和氢键供体溶剂可能在这种转化中至关重要。
Oxalic Diamides and <i>tert</i>-Butoxide: Two Types of Ligands Enabling Practical Access to Alkyl Aryl Ethers via Cu-Catalyzed Coupling Reaction
作者:Zhixiang Chen、Yongwen Jiang、Li Zhang、Yinlong Guo、Dawei Ma
DOI:10.1021/jacs.8b12142
日期:2019.2.27
A robust and practical protocol for preparing alkyl aryl ethers has been developed, which relies on using two types of ligands to promote Cu-catalyzed alkoxylation of (hetero)aryl halides. The reaction scope is very general for a variety of coupling partners, particularly for challenging secondary alcohols and (hetero)aryl chlorides. In case of coupling with aryl chlorides and bromides, two oxalic
已经开发了一种用于制备烷基芳基醚的稳健实用的方案,该方案依赖于使用两种类型的配体来促进 Cu 催化的(杂)芳基卤化物的烷氧基化。反应范围非常适用于各种偶联伙伴,尤其是具有挑战性的仲醇和(杂)芳基氯。在与芳基氯化物和溴化物偶联的情况下,两个草酸二酰胺作为强大的配体。叔丁醇首先被证明是铜催化偶联反应的配体,导致芳基碘化物在室温下完成烷氧基化。此外,许多碳水化合物衍生物适用于该偶联反应,以 29-98% 的产率提供相应的碳水化合物-芳基醚。
Copper(I) fluoroalkoxidecomplexes bearing dinitrogen ligands were synthesized and the structure and reactivity of the complexes toward trifluoroethoxylation, pentafluoropropoxylation, and tetrafluoropropoxylation of aryl and heteroarylbromides were investigated.
Transition-Metal-Mediated Synthesis of Trifluoroethyl Aryl Ethers
作者:Zhiqiang Weng、Yangjie Huang、Ronglu Huang
DOI:10.1055/s-0035-1560054
日期:——
A series of well-definedcopper(I) fluoroalkoxidecomplexes, [(phen)2Cu][OCH2RF], have been shown to undergo trifluoroethoxylation, pentafluoropropoxylation, and tetrafluoropropoxylation with aryl and heteroarylbromides to generate the corresponding trifluoroethyl, pentafluoropropyl, and tetrafluoropropyl (hetero)aryl ethers in good to excellent yields. The reaction tolerates a variety of functional
An efficient copper-catalyzed Chan–Lam reaction of trifluoroethanol with a variety of aryl- and heteroaryl boronicacids has been developed. This research provides a practical method to synthesize trifluoroethyl aryl ethers in moderate to good yields under mild conditions.