Palladium(II) and Palladium(II)-Platinum(II) Mixed Metal Complexes with Mercapto-l,3,4-thiadiazolate

Hidenori Tannai; Kiyoshi Tsuge; Yoichi Sasaki

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Palladium(II) and Palladium(II)-Platinum(II) Mixed Metal Complexes with Mercapto-l,3,4-thiadiazolate

机译：钯（II）和钯（II）-铂（II）混合金属配合物巯基-1,3,4-噻二唑

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Mononuclear and dinuclear Pd(II) complexes with mercapto-l,3,4-thiadiazolate were prepared by reacting [Pd-(OH)(terpy)](PF_6) with 2-amino-5-mercapto-l,3,4-thiadiazole (Hamct) and 2,5-dimercapto-l,3,4-thiadiazole (H_2dmct).The reaction of [Pd(OH)(terpy)](PF_6) and [Pt(Hdmct)(terpy)](PF_6) resulted in the formation of the Pd(II)-Pt(II) hetero-metallic complex [{Pd(terpy)}(mu,-dmct-S,S'){Pt(terpy)}](PF6)2,which showed that dmct~(2-) can be utilized to prepare rationally heterometallic systems.Crystal structure analysis of the complexes showed that the ligands coordinate to the Pd(II) and Pt(II) centers by their mercapto groups in a kappa~1S coordination mode.The electronic spectra,redox proper-ties,and molecular orbitals of the palladium complexes have been compared to those of Pt(II) congeners that we reported previously.The properties of a Pd(II)-Pt(II) mixed metal complex were elucidated based on the properties of each metal center.

机译：[Pd-（OH）（terpy）]（PF_6）与2-amino-5-mercapto-1,3,4-的反应制备具有巯基1,3,4-噻二唑的单核和双核Pd（II）配合物。噻二唑（Hamct）和2,5-二巯基-1,3,4-噻二唑（H_2dmct）。[Pd（OH）（terpy）]（PF_6）和[Pt（Hdmct）（terpy）]（PF_6）的反应导致形成Pd（II）-Pt（II）杂金属配合物[{Pd（terpy）}（mu，-dmct-S，S'）{Pt（terpy）}]（PF6）2，结果表明dmct〜（2-）可以用来制备合理的杂金属体系。配合物的晶体结构分析表明，配体在kappa〜1S配位中通过巯基与Pd（II）和Pt（II）中心配位钯配合物的电子光谱，氧化还原性质和分子轨道已与我们先前报道的Pt（II）同类物进行了比较.Pd（II）-Pt（II）混合金属配合物的性质根据每个金属中心的特性进行说明。

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《Bulletin of the Chemical Society of Japan》 |2006年第8期|共8页
作者
Hidenori Tannai; Kiyoshi Tsuge; Yoichi Sasaki;
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Palladium(II) and Palladium(II)-Platinum(II) Mixed Metal Complexes with Mercapto-l,3,4-thiadiazolate

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