The first ribbed functionalized tris-dioximate clathrochelates with inherent hydroxyl substituents: Synthesis, spectra and X-ray structure |
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| Authors: | Aleksei B Burdukov Mikhail A Vershinin Ilya V Eltsov Nataliya V Pervukhina Yan Z Voloshin |
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| Affiliation: | aNikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia;bNovosibirsk State University, 630090 Novosibirsk, Russia;cNesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 119991 Moscow, Russia |
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| Abstract: | The controlled hydrolysis of the dichlorine-containing iron(II) clathrochelate FeBd2(Cl2Gm)(BF)2 precursor (where Bd2− and Cl2Gm2− are α-benzyldioxime and dichloroglyoxime dianions, respectively) afforded the hydroxy-containing clathrochelate derivatives with the hydroxyl substituent inherently bound to the ribbed chelate fragment of the macrobicyclic ligand. The triethylammonium and tetra-n-butylammonium salts of the clathrochelate FeBd2(OClGm)(BF)2]− anion have been characterized using elemental analysis, MALDI-TOF mass spectrometry, IR, UV–Vis, 57Fe Mössbauer and 1H, 13C{1H}, 11B and 19F NMR spectroscopies, and X-ray crystallography. The X-ray structural data for this deprotonated anion showed strong delocalization of its negative charge into the clathrochelate framework. |
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| Keywords: | Macrocyclic complexes Iron(II) Clathrochelates Ligand reactivity X-ray crystallography |
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