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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >The exocyclic functionalisation of bis(thiosemicarbazonate) complexes of zinc and copper: the synthesis of monomeric and dimeric species
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The exocyclic functionalisation of bis(thiosemicarbazonate) complexes of zinc and copper: the synthesis of monomeric and dimeric species

机译:锌和铜的双(硫代半氨基甲酸酯)配合物的环外官能化:单体和二聚体物种的合成

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This paper reports the synthesis of bimetallic zinc thiosemicarbazone complexes with rigid aromatic linkers, using either 1,3- or 1,4- benzenediamines or 1,3- or 1,4- benzenedialdehydes as the basis of the linking groups. Non-rigid aliphatic diamines and dialdehydes were also used to link the zinc chelating units. Reaction of a bis(thiosemicarbazone) with a pendant NHNH2 group with monoaldehydes or ketones gives a range of monomeric complexes with exocylic imine groups bearing a range of substituents. The zinc complexes can be quantitatively and rapidly transmetallated to the corresponding copper complexes and this route or direct reaction with the free ligand can be used to radiolabel the monomeric species with Cu-64. In vivo and in vitro studies of one of the Cu-64 imine complexes shows substantial hypoxic selectivity and high tumour uptake in a murine model.
机译:本文报道了使用1,3-或1,4-苯二胺或1,3-或1,4-苯二醛作为连接基团的具有刚性芳族连接基的双金属硫半金属锌配合物的合成。非刚性脂族二胺和二醛也用于连接锌螯合单元。具有侧基NHNH 2基团的双(硫代半脲)与单醛或酮反应,得到一系列带有带有一定取代基的胞外亚胺基的单体配合物。可以将锌配合物定量快速地金属化为相应的铜配合物,并且该途径或与游离配体的直接反应可用于用Cu-64放射性标记单体。 Cu-64亚胺配合物之一的体内和体外研究显示,在鼠模型中,低氧选择性高,肿瘤摄取高。

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