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首页> 外文期刊>Journal of the Indian Chemical Society >Oxovanadium(IV,V) complexes of salicylidene-2-picoloyl hydrazone Schiff base and related ligands
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Oxovanadium(IV,V) complexes of salicylidene-2-picoloyl hydrazone Schiff base and related ligands

机译:水杨基-2-吡啶甲基席夫碱及其相关配体的氧钒(IV,V)配合物

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摘要

Oxovanadium(IV,V) complexes having O_4N coordination environment have been synthesized in the solid state,formulated as M[VO_2(L/L'/L")(H_2O)],where M = K or NH_4; H_2(L/L'/L") is the Schiff base ligand,obtained by condensation of salicylaldehyde with 2-picoloyl (L),2-quinoloyl (L'),8-quinoloyl (L") hydrazides.Dimeric complexes having the formulation [(VOL)_2 mu-O] have also been synthesized.Both the salicylidene-picoloyl hydrazone and the salicylidene-2-quinoloyl hydrazone ligands,in their dideprotonatcd form,coordinate to both vanadium in its +4 and +5 state,through O,N,O donor atoms,while,the ligand H_2L" will act as a NNO donor ligand.Thus,in the dioxo vanadium complexes with the ligands L and L',the central vanadium core will have the O_4N environment,which can be treated as a model to mimic the active site of vanadium halopcroxiclascs.
机译:具有O_4N配位环境的氧钒(IV,V)配合物已固态合成,配制成M [VO_2(L / L'/ L“)(H_2O)],其中M = K或NH_4; H_2(L / L '/ L“)是席夫碱配体,是通过水杨醛与2-吡啶甲酰基(L),2-喹啉酰基(L'),8-喹啉酰基(L”)酰肼缩合而获得的。分子式为[(VOL) _2 mu-O]。水杨基-吡啶甲基yl的水杨基和水杨基-2-喹啉基did的配体,双对质子化形式,通过O,N,O与+4和+5钒配位供体原子,而配体H_2L“将作为NNO供体配体。因此,在具有配体L和L'的二氧钒络合物中,中心钒核将具有O_4N环境,可以将其视为模型。模仿钒卤化锌的活性部位。

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