Groedler, Dennis, Haseloer, Alexander ORCID: 0000-0003-0480-7568, Tobeck, Christian, Bulut, Yusuf ORCID: 0000-0003-0090-3990, Neudoerfl, Jorg M., Mathur, Sanjay, Ruschewitz, Uwe ORCID: 0000-0002-6511-6894, Klein, Axel ORCID: 0000-0003-0093-9619, Wickleder, Mathias S. and Zegke, Markus (2021). Thiosemicarbazone Complexes of Uranium(IV). Eur. J. Inorg. Chem., 2021 (12). S. 1137 - 1140. WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1099-0682

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Abstract

The first homoleptic thiosemicarbazone complexes of uranium were isolated by reacting uranium tetrachloride in a salt metathesis or acid-base reaction with four equivalents of Na(BzTSC) or H(BzTSC) (BzTSC=benzylthiosemicarbazone), carrying a non-methylated (L1), monomethylated (L2) or dimethylated (L3) terminal amino group, in moderate yields. [U(BzTSCNH(2))(4)] (1), [U(BzTSCNH(CH3))(4)] (2) and [U(BzTSCN(CH3)(2))(4)] (3) show a remarkable stability towards air, with oxidation potentials in THF between +0.43 and +0.53 V and reduction potentials between -2.53 and -2.67 V vs. ferrocene/ferrocenium. The simple methylation of the terminal amino group of the ligand allows for controlled changes in the coordination environments of the complexes. Thermogravimetric analyses indicate that the complexes are stable up to 155 degrees C.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Groedler, DennisUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Haseloer, AlexanderUNSPECIFIEDorcid.org/0000-0003-0480-7568UNSPECIFIED
Tobeck, ChristianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bulut, YusufUNSPECIFIEDorcid.org/0000-0003-0090-3990UNSPECIFIED
Neudoerfl, Jorg M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mathur, SanjayUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ruschewitz, UweUNSPECIFIEDorcid.org/0000-0002-6511-6894UNSPECIFIED
Klein, AxelUNSPECIFIEDorcid.org/0000-0003-0093-9619UNSPECIFIED
Wickleder, Mathias S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zegke, MarkusUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-565721
DOI: 10.1002/ejic.202001118
Journal or Publication Title: Eur. J. Inorg. Chem.
Volume: 2021
Number: 12
Page Range: S. 1137 - 1140
Date: 2021
Publisher: WILEY-V C H VERLAG GMBH
Place of Publication: WEINHEIM
ISSN: 1099-0682
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
Chemistry, Inorganic & NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/56572

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