Sandwich-Type Heteroleptic opposite-(Diazaporphyrinato)cerium Complexes: Synthesis, Spectroscopy, Structure, and Electrochemistry
作者： Na Pan , Yongzhong Bian , Masaki Yokoyama , Renjie Li , Takamitsu Fukuda
关键词: Spectroscopy 、 Crystallography 、 Cyclic voltammetry 、 Sandwich type 、 Molecule 、 Chemistry 、 Electrochemistry 、 Differential pulse voltammetry 、 Cerium 、 Tetrapyrrole 、 Inorganic chemistry
摘要: Two sandwich-type heteroleptic tetrapyrrole cerium complexes, Ce2(dap)2(pc) (1) [dap = 2,8,12,18-tetraethyl-3,7-13,17-tetramethyl-5,15-diazaporphyrinate; pc phthalocyaninate] and Ce(dap)(oep) (2) (oep octaethylporphyrinate), were prepared by a one-pot reaction of [Ce(acac)3]·nH2O (acac acetylacetonate), metal-free diazaporphyrin H2dap, Li2pc or H2oep in refluxing 1,2,4-trichlorobenzene. These sandwich double- triple-decker complexes characterized wide range spectroscopic methods addition to elemental analysis. Their electrochemistry was also studied cyclic voltammetry differential pulse voltammetry. The molecular structure determined X-ray diffraction analysis, indicating an unexpected asymmetrical disposition the ligands, with two adjacent dap moieties one outer ring.(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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