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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Bismuth (III) coordination to cyclen and cyclam bearing four appended groups
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Bismuth (III) coordination to cyclen and cyclam bearing four appended groups

机译:铋(III)与Cyclon和Cyclam配合四个附加组

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摘要

The synthesis of new cyclam and cyclen derivatives (respectively L1 and L2), able to efficiently coordinate to Bi(III) are presented here. The two ligands bearing two different pendant arms (two-pycolyl and two (2-(2-hydroxyethoxy)ethyl)-2-aminoacetamide in trans position) were synthesized in the aim to obtain stable and water soluble complexes. The thermodynamic and kinetic of the formation of the corresponding complexes in aqueous solution were studied by means of NMR and potentiometric investigations. The fast kinetic of complexation and the high stability of the complexes are encouraging for further application with the alpha-emitting 213Bi isotope.
机译:这里介绍了能够有效配位到Bi(III)的新的cyclam和cycln衍生物(分别为L1和L2)的合成。为了获得稳定且水溶性的络合物,合成了带有两个不同悬垂臂的两个配体(两个缩水甘油基和两个(反式(2-(2-羟基乙氧基)乙基)-2-氨基乙酰胺)。通过NMR和电位研究研究了在水溶液中形成相应配合物的热力学和动力学。配合物的快速动力学和配合物的高稳定性令人鼓舞,可进一步用于发射α的213Bi同位素。

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