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Synthesis of 4-{(E)-[(3-methyl-5-sulphanyl-4H-1,2,4-triazol-4-yl)imino]methyl} benzaldehyde and its complexes with Ag(I), Hg(II), Zn(II), Co(II), Ni(II) ions and its characterisation
Indian Journal of Chemistry, Section A ( IF 0.412 ) Pub Date : 2021-06-15
Ashwini, Gopalakrishna N Bhat, Ronald A Nazareth

A novel Schiff base 4-{(E)-[(3-methyl-5-sulphanyl-4H-1,2,4-triazol-4-yl)imino]methyl}benzaldehyde (MSTB) and its complexes with Ag(I), Hg(II), Cu(II), Ni(II) and Co(II) have been prepared. MSTB is prepared by the condensation reaction between triazole and terephthaldehyde. In complexes, MSTB molecules are found to link with the metal ion, through thiolsulphur after deprotonation and the nitrogen of the azomethine group. The composition of the complexes are found to be ML where M =Ag, ML2 where M=Zn, Hg and ML2(H2O)2 where M= Co, Ni. Linear polymeric structure is proposed for Ag(I) complex, tetrahedral structure is proposed for Zn(II) and Hg(II) complexes and octahedral structure is proposed for Co(II) and Ni(II) complexes.

中文翻译:

4-{(E)-[(3-methyl-5-sulphanyl-4H-1,2,4-triazol-4-yl)imino]methyl}苯甲醛及其与Ag(I)、Hg(II)配合物的合成), Zn(II), Co(II), Ni(II) 离子及其表征

一种新型席夫碱 4-{(E)-[(3-methyl-5-sulphanyl-4H-1,2,4-triazol-4-yl)imino]methyl} 苯甲醛 (MSTB) 及其与 Ag(I) 的配合物)、Hg(II)、Cu(II)、Ni(II) 和 Co(II)。MSTB由三唑与对苯二醛缩合反应制备。在复合物中,发现 MSTB 分子通过去质子化后的硫代硫和偶氮甲碱基团的氮与金属离子连接。发现复合物的组成为ML,其中M=Ag,ML 2,其中M=Zn,Hg 和ML 2 (H 2 O) 2,其中M= Co,Ni。Ag(I)配合物为线性聚合物结构,Zn(II)和Hg(II)配合物为四面体结构,Co(II)和Ni(II)配合物为八面体结构。
更新日期:2021-06-16
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