Studies on mixed ligand complexes,part III. Cobalt(III) heterochelates derived fromN,N′-tetramethylenebis(salicylideneimine),N,N′-ethylenebis(acetylacetoneimine) and bidentate OO and ON donor ligands |
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| Authors: | Arun Syamal Vinay D Ghanekar |
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| Institution: | (1) Department of Applied Sciences and Humanities, B. N. Chakravarty University, Kurukshetra, 132119 Haryana, India;(2) Department of Chemistry, Regional Engineering College, Kurukshetra, 132119 Haryana, India |
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| Abstract: | Summary The hydroxoaquo complex, Co(OH)(H2O)(salbn) salbnH2 =N,N -tetramethylcnebis(salicylideneimine)] reacts with bidentate OO and ON donor ligands in ethanol at 100° to give hetcrochelate complexes of the type Co(AA)(salbn) (where AA = bidentate monobasic ligands such as picolinic acid, acetylacetone, tropolone,N-benzoylphenylhydroxyl-amine, acetoacetanilide, salicylaldehyde and 2-hydroxy-l-naphthaldehyde). Thecis-diammineN,N-ethylenebis(acetyl-acetoneimine)cobalt(lll)chloride reacts with bidentate ligands such as tropolonc to form the heterochelate complex Co(tropolone)(baen) where baenH2 =N,N-ethylenebis(acetyl-acetoneimine)]. These newly synthesized complexes have been characterized by elemental analysis, i.r. and electronic spectroscopy, molecular weight, electrolytic conductance and magnetic susceptibility measurements. Electronic spectra suggest that Co(tropolo ne)(baen) reacts with pyridine. |
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