Synthesis, structure and magnetic properties of binuclear 3d-metal complexes of new 3-(2-pyridyl)-6-phenyl-1,2,4-triazine derivative

被引：2
|
作者：
Nemytov, Alexey, I [1 ]
Utepova, Irina A. [1 ,2 ]
Kiskin, Mikhail A. [3 ]
Efimov, Nikolay N. [3 ]
Fedin, Matvey, V [4 ,5 ]
Eremenko, Igor L. [3 ,6 ]
Musikhina, Alexandra A. [1 ,2 ]
Slepukhin, Pavel A. [2 ]
Chupakhin, Oleg N. [1 ,2 ]
机构：
[1] Ural Fed Univ, 19 Mira Str, Ekaterinburg 620002, Russia
[2] Russian Acad Sci, I Ya Postovsky Inst Organ Synth, 22 S Kovalevskaya Str, Ekaterinburg 620108, Russia
[3] Russian Acad Sci, NS Kurnakov Inst Gen & Inorgan Chem, 31 Leninsky Prosp, Moscow 119991, Russia
[4] Russian Acad Sci, Int Tomog Ctr Inst, Siberian Branch, 3a Inst Skaya Str, Novosibirsk 630090, Russia
[5] Novosibirsk State Univ, 2 Pirogova Str, Novosibirsk 630090, Russia
[6] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, 28 Vavilova Str, Moscow 119334, Russia
来源：
POLYHEDRON | 2021年 / 193卷
基金：
俄罗斯基础研究基金会; 俄罗斯科学基金会;
关键词：
Binuclear complexes; 1,2,4-triazine; Magnetic properties; Nucleophilic substitution of hydrogen; ANTICANCER ACTIVITY; BSA-BINDING; TRIMETHYLACETATE COMPLEXES; LIGANDS; BEHAVIOR; CO(II); ZN(II); NI(II); CU(II); MCF-7;
D O I：
10.1016/j.poly.2020.114901
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Novel non-symmetric tridentate N,N,O-ligand was obtained by direct substitution of hydrogen in 3-(2-pyridyl)-6-phenyl-1,2,4-triazine. Three binuclear cobalt(II), copper(II) and zinc(II) carboxylate complexes of 3-(2-pyridyl)-5-(2-hydroxynaphthalen-1-yl)-6-phenyl-1,2,4-triazine anion (HL1), [M-2(Piv)(2)(L-1)(2)] (M = Co, Cu, Zn; Piv = Me3CCO2-), were synthesized and characterized by elemental analysis and IR spectroscopy. The complexes structures were determined by single crystal X-ray diffraction analysis. The magnetic property studies indicate that cobalt(II) complex exhibits weak ferromagnetic coupling (J = 1.2(1) cm(-1)) between two high-spin Co(II) ions linked by double mu-O phenoxo bridges. According to magnetic property studies as well as X- and Q-band EPR spectra for copper(II) complex, the specific structure of the Cu2O2 fragment leads to the predominance of dipole-dipole interactions and weak antiferromagnetic coupling (J = -3.64(3) cm(-1)). (C) 2020 Elsevier Ltd. All rights reserved.
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页数：8
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