Synthesis, Characterization, X-Ray Diffraction Studies and Antifungal Activity of Cobalt(II) Complexes with Some aroylhydrazines
作者:K. K. Narang、Vinod P. Singh、S. K. Singh、G. D. Mishra
DOI:10.1080/00945719608004258
日期:1996.2.1
Cobalt(II) complexes of the type [Co(L)(2)(H2O)(2)]X(2), where L = benzoylhydrazine, C6H5CONHNH (BH) or isonicotinoylhydrazine, NC5H4CONHNH2 (INH); X = Cl-, NO3- and 1/2SO(4)(2-) and and [Co(BH)(3)]X(2).nH(2)O, where X = Cl- and NO3- and n = 0 or 3, were synthesized and characterized by elemental analyses, molar conductance, magnetic moments and electronic and IR spectra. All the complexes are 1:3 electrolytes and soluble in water, ethanol, DMF and DMSO. The complexes are spin-free octahedral and the ligands bond to the metal ion via >C=0 and NH2 groups. Dehydration studies indicate the presence of coordinated water molecule in most of the complexes. X-ray powder diffraction parameters for some of the complexes correspond to a tetragonal crystal lattice. The complexes show a fair degree of antifungal activity against a number of pathogenic fungi viz.