A free base porphyrin dimer bridged by a flexible amide-bonded xanthene moiety and its binuclear zinc(II) complex zinc(II) complex were synthesized and characterized. Structural characterization by MS and 1 H NMR spectroscopy confirmed the bridged porphyrin dimer structure. The properties of the dimers were characterized by IR, UV-visible absorption, fluorescence and magnetic circular dichroism (MCD) spectroscopy, and electrochemistry studies. Theoretical calculations were carried out to analyze the electronic structures of porphyrin dimers with a bridging amide-bonded xanthene moiety.
本研究合成并表征了由柔性酰胺键香蒽分子桥接的自由基卟啉二聚体及其双核锌(II)络合物锌(II)络合物。质谱和 1 H NMR 光谱的结构表征证实了桥接卟啉二聚体的结构。通过红外光谱、紫外-可见吸收光谱、荧光光谱、磁圆二色光谱和电化学研究对二聚体的性质进行了表征。通过理论计算,分析了具有桥接酰胺键香蒽分子的卟啉二聚体的电子结构。