(acac = acetylacetonate). The spectroscopically characterised complexes were studied using multinuclear NMR spectroscopy including 195Pt1H} NMR studies which revealed δPtca. −2785 ppm for [Pt(L1–4)(acac)]. X-ray crystallographic studies were undertaken on [Pt(L3)(acac)] and [Pt(L4)(acac)], each showing the weakly distorted square planar geometry at Pt(II); the structure of [Pt(L3)(acac)] showed evidence
已合成基于4-羧酰胺-
2-苯基喹啉衍
生物的
配体,其具有可溶的辛基烃链和系留的芳香生色团,从而提供
萘基(HL 2),
蒽基(HL 3)和pyr基(HL 4)
配体变体生色类似物(HL 1)进行比较。
配体的1 H NMR光谱研究表明,HL 2和HL 4存在两种不可互换的异构体,而HL 1和HL 3仅存在一种异构体。在HL上支持DFT计算图4表明这两种异构体可能是近等能量的,并且具有较高的交换ca的势垒。100 kJ mol -1。这些新的
配体用Pt(II)进行环
金属化,得到络合物[Pt(L 1-4)(acac)](acac =
乙酰丙酮酸)。使用多核NMR谱包括具有特征光谱络合物进行了研究195的Pt 1个显露H} NMR研究δ
铂CA。[Pt(L 1-4)(acac)]为-2785 ppm。对[Pt(L 3)(acac)]和[Pt(L 4)进行了X射线晶体学研究)(acac)],每个都显示了在P