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四种新型金属(II)与选定的氮和氧供体配体配合物的合成、光谱、热性质及催化性能

Synthesis, Spectroscopic, Thermal and Catalytic Properties of Four New Metal (II) Complexes with Selected N- and O-Donor Ligands.

作者信息

Czylkowska Agnieszka, Rogalewicz Bartłomiej, Raducka Anita, Błaszczyk Natalia, Maniecki Tomasz, Wieczorek Kinga, Mierczyński Paweł

机构信息

Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland.

出版信息

Materials (Basel). 2020 Jul 20;13(14):3217. doi: 10.3390/ma13143217.

Abstract

Four solid compounds with formulae: Co(OAc)(Im)·HO (I), Ni(OAc)(Im)·2HO (II), Cu(OAc)(Im) (III) and Zn(OAc)(Im)·HO (IV) (where: Im = 1-Imidazole) were prepared and characterized by chemical and elemental analysis, powder X-ray diffraction patterns and FTIR spectroscopy. Catalytic properties of each complex for styrene oxidation reaction were investigated. Furthermore, thermal properties of compounds were studied using the TG-DTG and DSC techniques under dry air atmosphere. Additionally, volatile thermal decomposition and fragmentation products were also investigated using the TG-FTIR spectra in air.

摘要

制备了四种化学式分别为

Co(OAc)(Im)·HO (I)、Ni(OAc)(Im)·2HO (II)、Cu(OAc)(Im) (III) 和 Zn(OAc)(Im)·HO (IV)(其中:Im = 1-咪唑)的固体化合物,并通过化学分析、元素分析、粉末X射线衍射图谱和傅里叶变换红外光谱对其进行了表征。研究了每种配合物对苯乙烯氧化反应的催化性能。此外,在干燥空气气氛下,使用热重-微商热重(TG-DTG)和差示扫描量热(DSC)技术研究了化合物的热性质。另外,还利用空气中的热重-傅里叶变换红外光谱(TG-FTIR)研究了挥发性热分解产物和碎片产物。

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