The eight membered cyclic diamine are versatile chelating agents and often exhibit the ability to confer various geometries on their complexes. The complexes of dibenzo[b,f] [1:5]diazocine-6:12-dione (commonly called dianthranilide) are reported with that of salts of copper, zinc, cadmium and mercury. The titled compound can be viewed as modified form of DACO and PHZ, in which the vibrational freedom of carbon (C-6 and C-12) is further restricted by fusing with oxygen. The structure of the complexes is assigned on the analysis of their spectral, magnetic and conductance data. The molecular weight of the ligand is confirmed by its electron impact mass spectrum.
MASOOD AHMAD ,SAEED UR REHMAN ,
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