Abstract
The complexes of Zn(II)porphyrin with phenols (X) and pyridines (X') as the axial ligands in 1 : 1 molar ratio have been synthesized and characterized by elemental analysis and IR, UV-Vis, and 1H NMR spectroscopies. The fluorescence spectra show broadening and red/blue shifts of B and Q bands in axially ligated derivatives of [X/X'-Zn-t(p-OCH3)PP]. Thermal analysis for Zn(II)porphyrins have been carried out in an argon atmosphere from room temperature to 700°C using thermal analyzer. First-principle based theoretical calculations have been performed for axially ligated Zn(II)porphyrin complexes and the optimized geometrical parameters have been assessed. Zn(II)porphyrin complexes have been also screened for antibacterial activity against B.klebsiella, P. cereus, B. subtilis, A. denitrificans, S. aureus, K. pneumoniae by agar well diffusion methods with IZD range between 8 mm and 16 mm depending on the nature of the axial ligands that affect the IZD of the respective bacterial stain. The in vitro antifungal activity against the pathogen Fusarium sps. has been carried out by DDM.
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