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首页> 外文期刊>Journal of the Indian Chemical Society >Synthesis and characterization of oxothiomolybdenum(VI) complexes of some ONS chelating ligands by in situ oxo removal and sulphido insertion in the corresponding dioxomolybdenum(VI) complexes
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Synthesis and characterization of oxothiomolybdenum(VI) complexes of some ONS chelating ligands by in situ oxo removal and sulphido insertion in the corresponding dioxomolybdenum(VI) complexes

机译：某些ONS螯合配体的氧代硫代钼（VI）配合物的合成和表征，方法是在相应的二氧代钼（VI）配合物中原位去除羰基并硫键插入

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This work reports the synthesis, characterization and electrochemical studies of several [Mo~(VI)OS]~(2+) complexes of some tridentate ONS donor ligands obtained by the condensation of saIicylaldehyde/2-hydroxyacetophenone with S-benzyl and S-methyl dithiocarbazates. In this work PPh3 and PPh3S mixture is used as the synthetic reagent. The general strategy of synthesizing the complexes of the [MoOSL] type with the [MoOS]~(2+) core from corresponding complexes with the [MoO2]~(2+) core by in situ oxoremoval-sulphide addition process. Presence of the oxothio core in all the [MoOSL] complexes is established by their reaction with KCN resulting in the formation of the CNS~- species. All the complexes are characterized by various spectroscopic (NMR, IR, UV-Vis) techniques and also by cyclic voltammetry. All the complexes exhibit an irreversible overall 2 electron reductive response probably by proton assisted loss of the sulphido group leading to the formation of the corresponding [MoOL] complex.
机译：这项工作报告了一些三齿ONS供体配体的一些[Mo〜（VI）OS]〜（2+）配合物的合成，表征和电化学研究，这些配体是通过水杨醛/ 2-羟基苯乙酮与S-苄基和S-甲基的缩合反应制得的二硫代氨基甲酸酯。在这项工作中，PPh3和PPh3S的混合物用作合成试剂。通过原位含氧脱氧硫醚加成法，从具有[MoO2]〜（2+）核的相应配合物中合成[MoOSL]型与[MoOS]〜（2+）核的配合物的一般策略。所有[MoOSL]配合物中氧代硫核心的存在是通过它们与KCN的反应建立的，从而导致CNS〜-物种的形成。所有配合物均通过各种光谱学（NMR，IR，UV-Vis）技术以及循环伏安法进行表征。所有的复合物都可能表现出不可逆的整体2电子还原反应，这可能是由于质子辅助的硫基的损失导致相应的[MoOL]复合物的形成。

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