Author： Khan T.A. Hasan S.S. Varkey S.P. Rather M.A. Jahan N. Shakir M.
Publisher： Springer Publishing Company
ISSN： 0340-4285
Source： Transition Metal Chemistry, Vol.22, Iss.1, 1997-01, pp. : 4-8
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Abstract
A new class of tetraiminetetraamide macrocyclic (Ph4[20]tetraene, N8O4, and Ph6[20]tetraene, N8O4) complexes have been prepared through the metal ion controlled reaction of 1,2-diphenylethane-1,2-dione dihydrazone (DPEDDH) with succinic acid [ML1X2] or phthalic acid [ML2X2] [M=Mn, Co, Ni, Cu or Zn; X=Cl or NO3]. The structures of the complexes have been elucidated on the basis of i.r, 1H-n.m.r, e.p.r. and electronic spectral data and conductance, as well as magnetic, properties. An octahedral geometry is assigned for all the complexes, involving coordination of the all-imine nitrogens.
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