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Syntheses, Crystal Structures, Antimicrobial Activity and Thermal Behavior of Copper(II) Complexes Derived from 1-Naphthylacetic Acid and Diamines

Ling-Wei Xue, Chen Chen, Gan-Qing Zhao, Wei-Chun Yang

Abstract


Two copper(II) complexes, [CuL2(EA)] (1) and [Cu2L4(PA)2]·2H2O (2·2H2O), where L is 1-naphthylacetate, EA is N,N-diethylethane-1,2-diamine, PA is propane-1,3-diamine, have been prepared and characterized. Structures of the complexes have been characterized by single-cyrstal X-ray diffraction. Complex 1 is a mononuclear copper(II) compound, with the Cu atoms coordinated in square planar geometry. Complex 2·2H2O is a centrosymmetric dinuclear copper(II) compound, with the Cu atoms coordinated in square pyramidal geometry. Single crystals of the complexes are stabilized by hydrogen bonds. The effects of the compounds on the antimicrobial activity against Staphylococcus aureus, Escherichia coli, and Candida albicans, as well as thermal behavior of the complexes were studied.


Keywords


Copper complex; Crystal structure; Hydrogen bonding; Antimicrobial activity; Thermal property

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DOI: http://dx.doi.org/10.17344/acsi.2019.5327

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Copyright (c) 2019 Ling-Wei Xue, Chen Chen, Gan-Qing Zhao, Wei-Chun Yang

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