Abstract
Abstract A novel (E, E)-dioxime 5, 6:14,15-dibenzo-9,11-pyrido-2,3-bis(hydroxyimino)-1,4-diaza-7, 13-dithiacyclopentadecane (H2L) has been synthesized from the reaction of cyanogendi-N-oxide and 2,6-bis(2-aminothiophenoxymethyl)pyridine (3), which has been prepared from 2,6-bis(chloromethyl)pyridine (1) and 2-amino thiophenol. The cobalt (III) complex [Co(HL)2L′Cl] of H2L has been obtained with L′ = 2,6-lutidine together with chloride as axial ligands. In addition the synthesis of a new cobalt complex containing BF2 + bridges is achieved with the hydrogen bridged cobalt(III) complex. Three new mono-, tri- and pentanuclear copper(II) complexes of formula [Cu3(HL)2], [Cu5(HL)2 (bipy)2] and [Cu5(HL)2 (phen)2] have been synthesized. The structures of the oxime and its complexes were identified by elemental analysis, 1H, 13C NMR, IR and MS data.
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