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SYNTHESIS, X-RAY CRYSTAL STRUCTURES, AND ANTIBACTERIAL ACTIVITY OF ZINC(II) AND COPPER(II) COMPLEXES DERIVED FROM N,N′-BIS(5-METHYLSALICYLIDENE)-1,3-PROPANEDIAMINE

Authors
  • Qian, H. Y.1
  • 1 Key Laboratory of Surface and Interface Science of Henan, School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, People’s Republic of China , Zhengzhou (China)
Type
Published Article
Journal
Journal of Structural Chemistry
Publisher
Springer-Verlag
Publication Date
Jul 01, 2021
Volume
62
Issue
7
Pages
1131–1138
Identifiers
DOI: 10.1134/S0022476621070180
Source
Springer Nature
Keywords
Disciplines
  • Article
License
Yellow

Abstract

AbstractNew phenolate and azide bridged tetranuclear zinc(II) complex [Zn4Br2L2(μ1,1-N3)2] (1) and new mononuclear copper(II) complex [CuL] (2), where L is the dianionic form of N,N′-bis(5-methylsalicylidene)-1,3-propanediamine (H2L), are synthesized and characterized. The complexes are characterized by elemental analyses, IR, UV-Vis spectra, molar conductivity, and single crystal X-ray diffraction. X-ray analysis indicates that the Zn atoms in complex 1 are in tetrahedral and square pyramidal coordinations, and the Cu atom in complex 2 is in a tetrahedral distorted square planar coordination. In the crystal structures of the complexes, molecules are stacked through π⋯π interactions. The complexes are assayed for antibacterial activities against three gram-positive bacterial strains (E. cloacae, E. cloacae, and St. faecalis) and three gram-negative bacterial strains (St. faecalis, P. aeruginosa, and E. cloacae) by the MTT method.

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