Results 51 to 60 of about 716 (160)

Enabling Visible Light Sensitization of YbIII, NdIII and ErIII in Dimeric LnIII/GaIII Metallacrowns through Functionalization with RuII Complexes for NIR‐II Multiplex Imaging

open access: yesAngewandte Chemie, Volume 137, Issue 3, January 15, 2025.
LnRu‐3 dimeric LnIII/GaIII metallacrows bearing four RuII chromophoric complexes have been synthesized and proved to exhibit characteristic emissions of YbIII, NdIII and ErIII in the NIR‐II region upon excitation with visible light through metal‐to‐ligand charge transfer (MLCT) states.
Codruţa C. Bădescu‐Singureanu   +4 more
wiley   +1 more source

Liquid Phase Preparation of Organic Thin Films Consisting of Complex Molecules—The Example of the Metallacrown CuCu4

open access: yesSolids
Large organic molecules and metal complexes are promising candidates for organic electronics, optoelectronics, and spintronics, with interfaces to metals being critical.
Frederik Pütz   +15 more
doaj   +1 more source

Synthesis Strategies and Structures of Molecular Heterometallic Oxo Clusters

open access: yesChemPlusChem, Volume 89, Issue 12, December 2024.
This review presents an interdisciplinary search of multinuclear heterometallic oxo clusters, regardless of the type of ligand, to explain and classify their synthesis strategies and structures. By cataloging crystallographically characterized heterometallic oxo clusters using ligand‐per‐metal values and synthesis method notations, valuable insights ...
Takuo Minato
wiley   +1 more source

Synthesis, Structural, and Magnetic Characterization of a Mixed 3d/4f 12-Metallacrown-4 Family of Complexes

open access: yesInorganics, 2018
A new family of complexes (tBu4N){[LnIII(O2CBut)4][12-MC-Mn(III)N(shi)-4]}·5CH2Cl2 (Ln = Gd (1) and Tb (2)), (tBu4N)2{[YIII(O2CBut)4][12-MC-Mn(III)N(shi)-4]}(ClO4) (3); where shiH3 = salicylhydroxamic acid; ButCO2− = pivalate ions; tBu4N ...
Angeliki A. Athanasopoulou   +2 more
doaj   +1 more source

The First Cobalt Metallacrowns:  Preparation and Characterization of Mixed-Valence Cobalt(II/III), Inverse 12-Metallacrown-4 Complexes

open access: yesInorganic Chemistry, 2005
Aerobic reactions of Co(O(2)CMe)(2).4H(2)O with di-2-pyridyl ketone oxime (Hpko) in the presence of counterions (ClO(4)(-), PF(6-)) give the tetranuclear, mixed-valence cobalt(II/III) clusters [Co(II)(2)Co(III)(2)(OR)(2)(O(2)CMe)(2)(pko)(4)S(2)]X(2) [R = H, S = MeOH, X = ClO(4) (1); R = Me, S = EtOH, X = PF(6) (2)] depending on the solvent mixture ...
Stamatatos, T.C.   +8 more
openaire   +3 more sources

Synthesis of Cryptophanes: Recent Advances

open access: yesEuropean Journal of Organic Chemistry, Volume 27, Issue 7, February 19, 2024.
This review details current advancements in synthesizing cryptophane host molecules post the 2009 comprehensive review by Brotin and Dutasta. It categorizes literature based on methods for creating the cryptophane core and evolving late‐stage functionalization techniques.
Sindhu Kancherla, Jørn H. Hansen
wiley   +1 more source

Structural Evaluation and Solution Integrity of Alkali Metal Salt Complexes of the Manganese 12-Metallacrown-4 (12-MC-4) Structural Type

open access: yes, 2016
The preparation of a variety of salt complexes of [12-MCMn(III)N(shi)-4] (1) provides the structural basis for the first quantitative investigation of the cation and anion selectivity of metallacrowns.
Jeff W. Kampf (1537393)   +3 more
core   +1 more source

Structural and Magnetic Properties of a {GdCu5}2 Metallacrown Dimer with a Disulfonate Linker

open access: yesEuropean Journal of Inorganic Chemistry, Volume 27, Issue 5, February 12, 2024.
Linkage of two {GdCu5}3+ 15‐metallacrowns‐5 with rigid disulfonate resulted in a discrete dimer with adjacent metallamacrocycles arranged in “edge‐to‐edge” manner. χMT vs. T data reveal presence of both antiferromagnetic and ferromagnetic exchanges and can be fitted with two‐J model for Gd–Cu and Cu–Cu exchange interactions in {GdCu5}3+ unit.
Anna V. Pavlishchuk   +9 more
wiley   +1 more source

Preparation of a Chiral, 2-Dimensional Network Containing Metallacrown and Copper Benzoate Building Blocks

open access: yes, 2016
Preparation of a Chiral, 2-Dimensional Network Containing Metallacrown and Copper Benzoate Building ...
Vincent L. Pecoraro (1306131)   +1 more
core   +2 more sources

Bis(dimethylformamide)pentakis(μ-N,2-dioxidobenzene-1-carboximidato)tetrakis(1-methylimidazole)di-μ-propionato-pentamanganese(III)manganese(II)–dimethylformamide–methanol (1/0.24/1.36)

open access: yesActa Crystallographica Section E, 2013
The title compound [Mn6(C7H4NO3)5(C3H5O2)2(C4H6N2)4.17(C3H7NO)1.83]·0.24C3H7NO·1.36CH3OH or Mn(II)(C3H5O2)2[15-MCMn(III)N(shi)-5](Me—Im)4.17(DMF)1.83·0.24DMF·1.36MeOH (where MC is metallacrown, shi3− is salicylhydroximate,
Jacob C. Lutter   +3 more
doaj   +1 more source

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