First hybrid oximehydrazonate phthalocyaninoclathrochelates: The synthesis and properties of lutetium phthalocyanine-capped cage iron(II) complexes |
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| Authors: | Yan Z Voloshin Oleg A Varzatskii Larisa G Tomilova Marya O Breusova Tatiana V Magdesieva Yurii N Bubnov Roland Krämer |
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| Institution: | 1. Nesmeyanov Institute of Organoelement Compounds, 119991 Moscow, Russian Federation;2. Lomonosov Moscow State University, 119992 Moscow, Russian Federation;3. Vernadskii Institute of General and Inorganic Chemistry, Kiev-142, 03680, Ukraine;4. Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany |
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| Abstract: | Ditopic oximehydrazonate iron(II) phthalocyaninoclathrochelates were synthesized by a transmetallation (a capping group exchange) reaction of the initial labile triethylantimony-capped clathrochelate iron(II) oximehydrazonates with lutetium(III) phthalocyanine as a Lewis acid. The complexes obtained were characterized using elemental analysis, PD and MALDI-TOF mass spectrometries, IR, UV–Vis, 57Fe Mössbauer, and 1H, 13C{1H} NMR spectroscopies. An encapsulated iron(II) ion was found to be in a low-spin state. The cyclic voltammograms show oxidation and reduction waves assignable to Fe2+/3+ couples of macrobicyclic framework and to phthalocyanine macrocycles. |
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| Keywords: | Iron complexes Clathrochelates Macrocyclic compounds Phthalocyanines |
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