Two new copper(II) complexes with chelating N,O-type bidentate ligands: Synthesis, characterization, crystal structure and catalytic activity in azide-alkyne cycloaddition reaction
Two new copper(II) complexes with chelating N,O-type bidentate ligands: Synthesis, characterization, crystal structure and catalytic activity in azide-alkyne cycloaddition reaction
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DOI：
10.1016/j.ica.2017.06.046
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发表时间：
2017-09-01
影响因子：
2.8
通讯作者：
Raithby, Paul R.
中科院分区：
文献类型：
--
作者：
Bagherzadeh, Mojtaba;Bayrami, Arshad;Raithby, Paul R.
以1-((4-溴苯亚甲基)甲基)萘-2-醇、HL和2-(2‘-羟基苯基)-2-恶唑啉、Hphx、配体与醋酸铜反应，合成了铜(II)四配位配合物[CuL2]和[Cu(Phx)(2)]。用红外光谱、元素分析对其进行了表征，并用单晶X-射线衍射法确定了它们的固态结构。在不需要任何添加剂的情况下，在水中一锅叠氮化-炔环加成(AAC)点击反应评价了该配合物的催化活性。在该反应中，[CuL2]络合物表现出很高的催化活性，并以中等到较好的产率合成了1，2，3-三氮唑衍生物。皇冠版权(C)2017由爱思唯尔B.V.出版。保留所有权利。
Tetra-coordinated copper(II) complexes, [CuL2] and [Cu(phox)(2)], were synthesized by reaction of 1-((4-bromophenylimino) methyl) naphthalen-2-ol, HL, and 2-(2'-hydroxyphenyl)-2-oxazoline, Hphox, ligands with copper acetate, respectively. The complexes were characterized using FT-IR spectroscopy, elemental analyses, and their solid state structures were confirmed by single crystal X-ray diffraction. The catalytic activity of the complexes was evaluated in one-pot azide-alkyne cycloaddition (AAC) click reaction in water without need of any additional agent. The [CuL2] complex showed high catalytic activity in this reaction and 1,2,3-triazole derivatives were produced in moderate to good yields. Crown Copyright (C) 2017 Published by Elsevier B.V. All rights reserved.