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Luminescent Lanthanides in Biorelated Applications: From Molecules to Nanoparticles and Diagnostic Probes to Therapeutics. [PDF]
Chem RevAlexander C +4 more
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Pentacopper(II) Complexes of α-Aminohydroxamic Acids: Uranyl-Induced Conversion of a 12-Metallacrown-4 to a 15-Metallacrown-5 [PDF]
Journal of Inorganic Biochemistry, 2005 Effects of uranyl on the pentacopper(II) complexes of alpha-leucinehydroxamic acid and alpha-tyrosinehydroxamic acid were studied in water and methanol by means of electrospray ionisation mass spectrometry (ES-MS), absorption spectrophotometry, circular dichroism spectroscopy and proton NMR spectroscopy.
Antoine Pacco +2 more
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3d/4f Sandwich Complex Based on Metallacrowns
Inorganic Chemistry, 2021A novel lanthanide double-decker complex with nickel metallacrowns (MCs) as coordinating ligands has been synthesized. In the 3d/4f metallacrown complex TbIII[12-MCNiIIN(shi)-4]2, the central lanthanide ion is sandwiched between two [12-MC-4] units, forming an almost ideal square-antiprismatic coordination sphere.
Andreas Rauguth +3 more
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The First Metallacrown Ether Sandwich Complex
Angewandte Chemie International Edition in English, 1996Rolf Saalfrank, Norbert Löw
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Solution Studies of Lanthanide-Centered Metallacrowns and Metallacrown Nanocapsules
2022Selective host‒guest interactions are relevant for advancing molecular sensing, catalytic, or pharmaceutical applications. However, characterizing solution dynamics of inorganic supramolecular complexes can be complicated by paramagnetism, ligand exchange processes, and complex speciation.
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Aspects of NMR Characterization of Metallacrowns
2022Metallacrowns (MCs) are self-assembled metallamacrocycles that confine a significant number of metal ions and organic ligands in a small molecular volume. These assembled structures present a cavity that can selectively encapsulate specific metal ions which provide MCs with peculiar spectroscopic features and reactivity.
Matteo Melegari, Matteo Tegoni
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Collapsed Cu(II)-Hydroxamate Metallacrowns
Inorganic Chemistry, 2012Degradation of a strained, thermodynamically destabilized pentanuclear copper(II) 12-metallacrown-4 complex based on a picoline hydroxamic acid resulted in the formation of the tetranuclear compounds which are the first examples of solely hydroxamate-based Cu(II) metallacrown complexes with a collapse of the metallamacrocyclic cavity.
Irina A, Golenya +4 more
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Development of Luminescent Dendrimeric Metallacrowns from Lanthanide-based Metallacrowns
2021Dendrimeric metallacrowns (DMCs) combine both dendrimers and metallacrowns as viable luminescent probes. Three approaches were investigated, these included functionalizing luminescent Ln2Ga8 metallacrowns at either the bridging or ring sites, or simultaneously at both positions, to then use them as the core of dendrimers.
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Interaction of metallacrown complexes with G-quadruplex DNA
Journal of Inorganic Biochemistry, 2016Interactions of the G-quadruplex (GQ) DNA with two pentacoordinate lanthanide (III) metallacrown (MC) complexes containing phenylalanine hydroxamic acid (pheHA) and copper(II) ions of the formula Eu 15-[MCCu,pheHA]-5 (1) and Tb 15-[MCCu,pheHA]-5 (2) were investigated.
Ewa Rajczak +2 more
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European Journal of Inorganic Chemistry, 2006
AbstractTwo manganese metallacrowns [Mn10(pnhz)10(DMF)4(H2O)6]·10.5H2O·MeOH·DMF (1) and [Mn6(anhz)6(DMF)2(H2O)4]·6DMF (2), (H3pnhz = 3‐hydroxy‐N‐phenyl‐2‐naphthalenecarbohydrazide, H3anhz = N‐acyl‐3‐hydroxy‐2‐naphthalenecarbohydrazide) have been prepared by the reactions of two pentadentate ligands, H3anhz and H3pnhz, with the corresponding manganese ...
Jianmin Dou +3 more
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AbstractTwo manganese metallacrowns [Mn10(pnhz)10(DMF)4(H2O)6]·10.5H2O·MeOH·DMF (1) and [Mn6(anhz)6(DMF)2(H2O)4]·6DMF (2), (H3pnhz = 3‐hydroxy‐N‐phenyl‐2‐naphthalenecarbohydrazide, H3anhz = N‐acyl‐3‐hydroxy‐2‐naphthalenecarbohydrazide) have been prepared by the reactions of two pentadentate ligands, H3anhz and H3pnhz, with the corresponding manganese ...
Jianmin Dou +3 more
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