Synthesis, spectroscopic, and antibacterial activity of tetraazamacrocyclic complexes of trivalent chromium, manganese, and iron

D.P. SinghDepartment of Chemistry, National Institute of Technology, Kurukshetra, IndiaCorrespondence[email protected]

Vandna MalikDepartment of Chemistry, National Institute of Technology, Kurukshetra, India

Ramesh KumarDepartment of Chemistry, National Institute of Technology, Kurukshetra, India

Jitender SinghD.M. Division, National Dairy Research Institute, Karnal, India

Figures & data

Figure 1. Synthesis of the complexes.

Table 1. Analytical data for trivalent chromium, manganese, and iron complexes derived from succinyldihydrazide and benzil.

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Figure 2. General structure of the complexes, where M = Cr(III), Mn(III), Fe(III), X = Cl⁻, NO₃⁻, CH₃COO⁻ for Cr(III) and Fe(III) and X = CH₃COO⁻ for Mn(III).

Figure 2. General structure of the complexes, where M = Cr(III), Mn(III), Fe(III), X = Cl−, NO3−, CH3COO− for Cr(III) and Fe(III) and X = CH3COO− for Mn(III).

Figure 3. Comparison of minimum inhibitory concentration (MIC) of complexes with those of standard antibiotics up to concentration of 64 μg/mL. a, Bacillus cereus (MTCC 1272); b, Staphylococcus aureus (MTCC 1144); c, Escherichia coli (MTCC 739); d, Salmonella typhi (MTCC 733); cefaclor and linezolid are standard antibiotics.

Table 2. Minimum inhibitory concentration (MIC) shown by complexes against test bacteria using agar dilution assay.

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Synthesis, spectroscopic, and antibacterial activity of tetraazamacrocyclic complexes of trivalent chromium, manganese, and iron

Table 1. Analytical data for trivalent chromium, manganese, and iron complexes derived from succinyldihydrazide and benzil.

Table 2. Minimum inhibitory concentration (MIC) shown by complexes against test bacteria using agar dilution assay.

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Synthesis, spectroscopic, and antibacterial activity of tetraazamacrocyclic complexes of trivalent chromium, manganese, and iron

Figures & data

Table 1. Analytical data for trivalent chromium, manganese, and iron complexes derived from succinyldihydrazide and benzil.

Table 2. Minimum inhibitory concentration (MIC) shown by complexes against test bacteria using agar dilution assay.

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Academic Permissions

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