科研之友
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摘要
A series of multi-(phe nylthio)porphyrinato Ni(Ⅱ) compounds were synthesized without the participation of transition metal catalysts.All of these products were well characterized by 1 H NMR,13C NMR and HRMS.Structures of three typical compounds were further confirmed by X-ray single crystal diffraction.Remarkable red shifts were observed in UV-vis absorption spectra of multi-(phenylthio)porphyrinato Ni(Ⅱ) compounds which meet well with the electrochemical data.DFT calculation indicates that the phenylthio groups have strong effects on the frontier orbitals of these molecules.The order of a1 u-like and a2 u-like orbitals mainly distributed in porphyrin moiety is often inversed in energy when multiphenylthio groups are attached.
