Self-assembly and structures of new transition metal complexes with phenyl substituted pyrazole carboxylic acid and N-donor co-ligands
Self-assembly and structures of new transition metal complexes with phenyl substituted pyrazole carboxylic acid and N-donor co-ligands
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苯基取代吡唑甲酸和N-供体共配体的新型过渡金属配合物的自组装和结构
DOI：
10.1016/j.ica.2011.11.015
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发表时间：
2012-03
影响因子：
2.8
通讯作者：
Wen, Hui-Liang
中科院分区：
文献类型：
--
作者：
Liu, Chong-Bo;Gong, Yun-Nan;Chen, Yuan;Wen, Hui-Liang
5个新的过渡金属配合物，[Ni(HL1)2(2，2‘-bipy)]·3H2O(1)，[Ni(HL1)2(4，4’-bipy)](2)，[Co(HL1)2(4，4‘-bipy)]·5H2O(3)，[Ni2(HL2)4·(4，4’-bipy)·(H2O)2]·4H2O(4)，[Co(HL2)2·(4，4‘-bipy)](5)(H_2L1=5-苯基-1H-吡唑-3-羧酸)；H_2L_2=3-苯基-1H-吡唑-4-甲酸；2，2‘-联吡啶；4，4’-联吡啶)的合成和表征。配合物1为单体结构，2和3为一维链状结构，4和5为具有一维通道的三维金属有机骨架，均通过丰富的氢键延伸为三维超分子网络。配合物4具有(44·58·63)(54·6·8)拓扑结构的(4，6)连通网络，而配合物5具有(412·63)拓扑结构的类氯化钠网络。研究了配合物1-5的热稳定性以及4和5的粉末X射线衍射谱。此外，还研究了目标化合物对受试菌的抗菌活性，并与相应的自由配体的抗菌活性进行了比较。
Five new transition metal complexes, [Ni(HL1)2(2,2′-bipy)]·3H2O (1), [Ni(HL1)2(4,4′-bipy)] (2), [Co(HL1)2(4,4′-bipy)]·5H2O (3), [Ni2(HL2)4·(4,4′-bipy)·(H2O)2]·4H2O (4), [Co(HL2)2·(4,4′-bipy)] (5) (H2L1=5-phenyl-1H-pyrazole-3-carboxylic acid; H2L2=3-phenyl-1H-pyrazole-4-carboxylic acid; 2,2′-bipy=2,2′-bipyridine; 4,4′-bipy=4,4′-bipyridine) have been synthesized and characterized. Complex 1 exhibits a monomeric structure, 2 and 3 display 1D chain structures, 4 and 5 possess 3D metal-organic frameworks with 1D channels, and all extend to 3D supramolecular networks via rich hydrogen bonds. Complex 4 shows a new (4,6)-connected network with (44·58·63)(54·6·8) topology, while 5 exhibits a NaCl-like network with (412·63) topology. The thermal stabilities of complexes 1–5 and powder XRD of 4 and 5 were investigated. Furthermore, the antibacterial activities of the title complexes against the tested bacteria were studied and compared to the activities of the corresponding free ligands.
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影响因子：
3.1
作者：
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影响因子：
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作者：
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通讯作者：
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影响因子：
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作者：
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通讯作者：
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