Six-coordinate cadmium(II) complex containing a bridging dithiolate ligand: synthesis, crystal structure and antifungal activity study
A mixed-ligand polymeric metal complex of Cd(II) has been prepared by reactions of Cd(NO3)2·4H2O with 1,3-diaminopropane (tn) and potassium salt of 1,1-dicyanoethylene-2,2-dithiolate and characterized on the basis of spectroscopy and single-crystal
X-ray diffraction analysis. Single-crystal X-ray diffraction analysis reveals that the Cd(II) complex crystallizes in monoclinic space group P2
/n with distorted octahedral coordination geometry. The Cd(II) complex was screened in vitro against fungal
pathogens such as Synchytrium endobioticum, Pyricularia oryzae, Helminthosporium oryzae, Candida albicans (ATCC10231), and Trichophyton mentagrophytes by the disk diffusion method. The biological testing data of the primary ligand K2i-MNT·H2O
and [Cd(tn)(i-MNT)]n indicate that the complex exhibits fungistatic antifungal activity, whereas K2i-MNT·H2O has no activity. The fungicidal properties of [Cd(tn)(i-MNT)]n showed that the cadmium complex was more bioactive than the parent
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2D chain structure;
Mixed-ligand complex Cd(II);
Document Type: Research Article
Department of Chemistry, Tripura University, Agartala, India
Department of Chemistry, Govt. Degree College, Dharmanagar, India
Department of Inorganic and Structural Chemistry, Howard University, Washington, DC, USA
Department of Botany, R.K. Mahavidyalaya, Kailashahar, India
Department of Chemistry, Ramthakur College, Agartala, India
January 2, 2016