Zinc(II) complexes with heterocyclic ether, acid and amide. Crystal structure, spectral, thermal and antibacterial activity studies
作者:Agnieszka Jabłońska-Wawrzycka、Patrycja Rogala、Grzegorz Czerwonka、Maciej Hodorowicz、Katarzyna Stadnicka
DOI:10.1016/j.molstruc.2015.10.067
日期:2016.2
5-dimethylpyrazole (3,5-DMePz) and isocyanates formed were employed as new ligands. The IR and X-ray studies have confirmed a bidentate fashion of coordination of the 2,3-pydcH and monodentate fashion of coordination of the 1-ExMe-2-MeIm and 3,5-DMePz to the Zn(II) ions. The crystal packing of Zn(II) complexes are stabilized by intermolecular classical hydrogen bonds of O–H⋯O and N–H⋯O types. The most
摘要 锌盐与杂环醚(1-乙氧基甲基-2-甲基咪唑(1-ExMe-2-MeIm))、酸(吡啶-2,3-二羧酸(2,3-pydcH2))和酰胺(3 ,5-二甲基吡唑-1-甲酰胺 (3,5-DMePzCONH2)) 产生了三种新的锌配合物,公式为 [Zn(1-ExMe-2-MeIm)2Cl2] 1, fac-[Zn(H2O)6][Zn( 2,3-pydcH)3]2 2 和[Zn(3,5-DMePz)2(NCO)2] 3. 1和3的配合物与四面体四配位,作为配位多面体。然而,化合物 2 形成八面体阳离子 - 阴离子配合物。通过从配体中去除羧酰胺基团,然后将形成的 3,5-二甲基吡唑 (3,5-DMePz) 和异氰酸酯用作新的配体来制备配合物 3。IR 和 X 射线研究证实了 2,3-pydcH 的双齿配位方式和 1-ExMe-2-MeIm 和 3 的单齿配位方式,5-DMePz 到 Zn(II)