Synthesis of Novel S‐Bridged Heterotrinuclear Complexes Containing Six‐Membered Chelate Rings: Structural, Spectroscopic, and Electrochemical Properties of [Co{Rh(apt)
<sub>3</sub>
}
<sub>2</sub>
]
<sup>3+</sup>
(apt = 3‐Aminopropanethiolate)
作者:Nagina Amir、Masaru Motonishi、Mitsuharu Fujita、Yoshitaro Miyashita、Kiyoshi Fujisawa、Ken‐ichi Okamoto
DOI:10.1002/ejic.200500701
日期:2006.3
ligand, 3-aminopropanethiolate (apt), was synthesized and treated with RhCl3·3H2O in basic water to yield a novel mononuclear complex, fac(S)-[Rh(apt)3] (1), which was characterized by spectroscopic methods. Furthermore, the reaction of 1 with CoCl2·6H2O in water formed the linear-type, S-bridged trinuclear complexes ΔΛ-[CoRh(apt)3}2]3+ (2a) and ΔΔ/ΛΛ-[CoRh(apt)3}2]3+ (2b), which were characterized
合成了一种双齿配体 3-氨基丙烷硫醇盐 (apt),并在碱性水中用 RhCl3·3H2O 处理,得到一种新型单核配合物 fac(S)-[Rh(apt)3] (1),通过光谱对其进行表征。方法。此外,1与CoCl2·6H2O在水中的反应形成了线性型S桥三核配合物ΔΛ-[CoRh(apt)3}2]3+(2a)和ΔΔ/ΛΛ-[CoRh (apt)3}2]3+ (2b),通过立体化学、光谱化学和电化学方法对其进行表征。2a 和 2b 是稳定的,在水中表现出三价。2a 和 2b 的 X 射线晶体学分析表明,所有的桥连硫原子都固定在 R 构型中的 Δ 单元和 S 构型中的 Λ 单元,每个配合物都有六个六元螯合环,所有的这是在椅子构造。还测定了相应的 2-氨基乙硫醇 (aet) 三核复合物 ΔΛ-[CoRh(aet)3}2]3+ (4a) 的晶体结构。由于六元螯合环,2a 和2b 的结构与4a 的结构有所不同。2a