Syntheses and structures of pyrazolylmethane complexes of rhenium(III), (IV) and (V)

Cowley AR; Dilworth JR; Salichou M

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Syntheses and structures of pyrazolylmethane complexes of rhenium(III), (IV) and (V)

机译：III（III），（IV）和（V）的吡唑基甲烷配合物的合成和结构

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Reaction of [ReOCl3(PPh3)(2)] with HCpz(3) (pz = pyrazole) in dichloromethane leads to the formation of a new Re(IV) complex [ReCl3(HCpz(3))]X (X= Cl, [ReO4]) with loss of the rhenium-oxo group. We also report a convenient, high-yield synthetic route to complexes of the type [ReOXn(L)]((3-n)+) (X= Cl, Br, n = 2, 3) by the reaction of bis(pyrazolylmethane) and bis(pyrazolylacetate) ligands with [ReOCl3(PPh3)(2)]. Dinuclear complexes containing the O=Re-O-Re=O group were also isolated and structurally characterised. We have also investigated the reactions of these ligands with diazenide precursors and isolated and characterised complexes of the type [ReClx(N2Ph)(L)(PPh3)] (x = 1,2). The potential applications of these complexes as radiopharmaeuticals is discussed.

机译：[ReOCl3（PPh3）（2）]与HCpz（3）（pz =吡唑）在二氯甲烷中的反应导致形成新的Re（IV）络合物[ReCl3（HCpz（3））] X（X = Cl， [ReO4]）失去了-氧代基团。我们还报告了通过双（吡唑基甲烷）反应制得[ReOXn（L）]（（3-n）+）（X = Cl，Br，n = 2，3）型配合物的便捷，高产合成途径）和带有[ReOCl3（PPh3）（2）]的双（吡唑基乙酸酯）配体。还分离了含有O ＝ Re-O-Re ＝ O基团的双核配合物并进行了结构表征。我们还研究了这些配体与二氮烯前体的反应以及分离和表征的[ReClx（N2Ph）（L）（PPh3）]型复合物（x = 1,2）。讨论了这些复合物作为放射性药物的潜在应用。

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《Dalton transactions: An international journal of inorganic chemistry》 |2007年第16期|共9页
作者
Cowley AR; Dilworth JR; Salichou M;
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正文语种 eng
中图分类无机化学;
关键词
TRIS(PYRAZOLYL)METHANE LIGANDS; TECHNETIUM; DERIVATIVES; CHEMISTRY; AGENTS; CORE;

机译：三（吡唑基）甲烷配体;TECH;衍生物;化学;试剂;核心;

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1. Syntheses and structures of pyrazolylmethane complexes of rhenium(III), (IV) and (V) [J] . Cowley AR, Dilworth JR, Salichou M Dalton transactions: An international journal of inorganic chemistry . 2007,第16期

机译：III（III），（IV）和（V）的吡唑基甲烷配合物的合成和结构
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Syntheses and structures of pyrazolylmethane complexes of rhenium(III), (IV) and (V)

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