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Abstract
This article describes a simple method developed for the synthesis of symmetrically substituted 1,8,15,22-tetra-phenylpropene-1-imino phthalocyanines (M-PhproImPcs) of cobalt(II), copper(II), nickel(II) and zinc(II) by condensing 1,8,15,22-tetra amino phthalocyanines with cinnamaldehyde. The dark bluish-green colored tetraimino substituted phthalocyanine derivatives were characterized by elemental analysis, electronic spectra, IR spectra, magnetic susceptibility, powder XRD and thermogravimetric analysis (TGA) to check the structural integrity and purity. The variations of magnetic moment as a function of field strength indicated the presence of intermolecular co-operative interactions. The complexes were also evaluated for their antibacterial activities.
Acknowledgements
The authors are thankful to the Chairman, Department of Chemistry & Industrial Chemistry, Principal, Sahyadri Science College, Kuvempu University, Shimoga, for providing basic laboratory facilities. One of the authors, Dr. M. H. Khan, thanks the Principal, J. N. N. College of Engineering, Shimoga. Thanks are also due to Prof. A.M.A. Khader, Mangalore University and Prof. M.A. Pasha, Bangalore University, for their help in recording spectra.