Synthesis and structure of heteroleptic triple-decker neodymium,europium, holmium,erbium, and ytterbium crown phthalocyaninates |
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| Authors: | A G Martynov E A Safonova Yu G Gorbunova A Yu Tsivadze |
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| Institution: | (1) Department of Chemistry, Nankai University, Tianjin, 300071, China;(2) State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, 350002, China; |
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| Abstract: | Two series of heteroleptic crown-substituted tris(phthalocyaninate) complexes (Pc)Ln(15C5)4Pc]Ln(Pc) and (15C5)4Pc]Ln(15C5)4Pc]Ln(Pc), where 15C5 is 15-crown-5, (Pc2−) is the phthalocyaninate dianion, Ln = Nd, Eu, Ho, Er, and Yb, were prepared by the reaction of tetra-15-crown-5-phthalocyanine
H2(15C5)4Pc] with the corresponding lanthanide acetylacetonates and lanthanum bis(phthalocyaninate) La(Pc)2, which was used as a phthalocyaninate dianion donor. The composition and structure of the synthesized complexes were confirmed
by MALDI TOF mass spectrometry, UV-Vis absorption spectroscopy, and 1H NMR. Complete assignment of the proton resonance signals of the paramagnetic lanthanide complexes was based on analysis
of lanthanide-induced shifts. |
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