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Citation: FENG Jianhua, WU Gang. Synthesis, Structure and Antibacterial Activities of 4, 4', 6, 6'-Tetra(tert-butyl)-2, 2'-[ethylenedioxybis (nitrilomethylidyne)] diphenol and Its Cu(Ⅱ) Complex[J]. Chinese Journal of Applied Chemistry, ;2015, 32(5): 557-561. doi: 10.11944/j.issn.1000-0518.2015.05.140287 shu

Synthesis, Structure and Antibacterial Activities of 4, 4', 6, 6'-Tetra(tert-butyl)-2, 2'-[ethylenedioxybis (nitrilomethylidyne)] diphenol and Its Cu(Ⅱ) Complex

FENG Jianhua ^, ,
WU Gang

1.
College of Material and Chemical Engineering, Chuzhou University, Chuzhou, Anhui 239000, China

Corresponding author: FENG Jianhua,
Received Date: 14 August 2014
Available Online: 27 January 2015
Fund Project: 滁州学院优秀青年人才重点基金(2013RC013) (2013RC013)滁州学院质量工程(2014jyy015,2014yzkc25) (2014jyy015,2014yzkc25)安徽省高校省级质量工程(20101035,2013tszy034)资助项目 (20101035,2013tszy034)

A novel Cu(Ⅱ) compound,C₃₂H₄₆ CuN₂O₄([CuL]),has been synthesized in ethanol by the reaction of H₂L(H₂L=4,4',6,6'-tetra(tert-butyl)-2,2'-[ethylenedioxybis(nitrilomethylidyne)]diphenol)with copper(Ⅱ) acetate monohydrate at room temperature and characterized by IR spectroscopy,elemental analyses and X-ray crystallography.The X-ray crystal structure of[CuL]crystallizes in a monoclinic system,space group C2/c,with a=2.7231(3) nm,b=1.1196(3) nm,c=1.0704(2) nm,α=90.00°,β=101.293(2) °,γ=90.00°,V=3.2002(11) nm³,Z=4,M_r=586.25,D_c=1.217 g/cm³,μ=0.718mm^-1,F(000)=1252,R₁=0.0957,wR₂=0.2297.The symmetric unit in[CuL]contains one Cu(Ⅱ) atom and one coordinated L molecule.The central Cu(Ⅱ) atom are four-coordinated by N1,N1#,O2 and O2# atoms from the coordinated L unit.A slightly distorted tetrahedral geometry is formed around the central Cu(Ⅱ) atom.The antibacterial activities of H₂L and[CuL] are investigated using K-B method,the results indicate that[CuL] has remarkable antibacterial effect on Staphylococcus aureus,Escherichia coli and Withered grass bacillus.[CuL] has stronger activities against the three bacterias than the H₂L ligand.
- Cu(Ⅱ) complex,
- synthesis,
- structure,
- antibacterial activity
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