Browsing Τμήμα Χημείας / Department of Chemistry by Author "Escuer, Albert"
Now showing items 1-10 of 10
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2-hydroxybenzophenone-controlled self-assembly of enneanuclear lanthanide(III) hydroxo coordination clusters with an “hourglass”-like topology
Mylonas-Margaritis, Ioannis; Kitos, Alexandros A.; Panteli, Chrysanthi C.; Skordi, Katerina; Tasiopoulos, Anastasios J.; Bekiari, Vlasoula; Escuer, Albert; Perlepes, Spyros P. (2017)Enneanuclear lanthanide(III) hydroxo coordination clusters with an “hourglass”- or “sandglass”-like topology have been synthesized via 2-hydroxybenzophenone-controlled hydrolysis of the metal ions in ethanol
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Binding of ligands containing carbonyl and phenol groups to iron(iii): new Fe6, Fe10 and Fe12 coordination clusters
Kitos, Alexandros A.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J.; Perlepes, Spyros P.; Escuer, Albert; Nastopoulos, Vassilios (2017)The initial use of ligands 2′-hydroxyacetophenone (HL1), 2-hydroxybenzophenone (HL2) and 2,2′-dihydroxybenzophenone (H2L3) in iron(iii) chemistry is described. The syntheses and crystal structures are reported for five ...
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Article
Combining azide, carboxylate, and 2-pyridyloximate ligands in transition-metal chemistry: Ferromagnetic NiII 5clusters with a bowtie skeleton
Papatriantafyllopoulou, Constantina; Stamatatos, Theocharis C.; Wernsdorfer, W.; Teat, S. J.; Tasiopoulos, Anastasios J.; Escuer, Albert; Perlepes, Spyros P. (2010)The combined use of the anion of phenyl(2-pyridyl)ketone oxime (ppko-) and azides (N3 -) in nickel(II) carboxylate chemistry has afforded two new NiII 5clusters, [Ni5(O2CR′)2(N3)4(ppko)4(MeOH)4] [R′ = H (1), Me (2)]. The ...
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Article
Copper(II)/di-2-pyridyl ketone chemistry: A triangular cluster displaying antisymmetric exchange versus an 1D coordination polymer
Efthymiou, Constantinos G.; Raptopoulou, Catherine P.; Psycharis, Vassilis P.; Tasiopoulos, Anastasios J.; Escuer, Albert; Perlepes, Spyros P.; Papatriantafyllopoulou, Constantina (2013)The systematic study of the reaction system copper(II) perchlorate/di-2- pyridyl ketone, (py)2CO, provided access to the new trinuclear compound [Cu3{(py)2C(OMe)(O)}3(H 2O)](ClO4)3·MeOH·0.6H 2O (1·MeOH·0.6H2O), and the 1D ...
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"Depolymerization" approach in Mn cluster chemistry: Controlled cleavage of a 1D coordination polymer consisting of Mn8 units in its constituent, discrete Mn8 complex
Stoumpos, Constantinos C.; Roubeau, O.; Aromí, Guillem; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios; Escuer, Albert; Perlepes, Spyros P. (2010)The cleavage of a 1D coordination polymer (MnII 2MnIII6)n containing recognizable octanuclear units to obtain the discrete MnIIMnIII6 cluster is reported. © 2009 American Chemical Society.
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Enneanuclear Ni(II) complexes from the use of the flexible ligand 2-pyridinealdoxime: The nature of the inorganic anion does not affect the chemical and structural identity of the cationic cluster
Stamatatos, Theocharis C.; Diamantopoulou, Eleanna; Tasiopoulos, Anastasios J.; Psycharis, Vassilis P.; Vicente, R.; Raptopoulou, Catherine P.; Nastopoulos, Vassilios; Escuer, Albert; Perlepes, Spyros P. (2006)The use of 2-pyridinealdoximate(-1) [(py)CHNO-] in nickel(II) chemistry has been further investigated. The synthetic investigation has led to two new salts of the very recently reported (in the form of its tetraperchlorate ...
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Interesting copper(ii)-assisted transformations of 2-acetylpyridine and 2-benzoylpyridine
Kitos, Alexandros A.; Efthymiou, Constantinos G.; Manos, Manolis J.; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios; Escuer, Albert; Perlepes, Spyros P. (2016)The reactions of various copper(ii) sources with 2-acetylpyridine, (py)(me)CO, and 2-benzoylpyridine, (py)(ph)CO, under strongly basic conditions have been studied and novel ligand transformations have been discovered. ...
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Interesting copper(ii)-assisted transformations of 2-acetylpyridine and 2-benzoylpyridine1
Kitos, Alexandros A.; Efthymiou, Constantinos G.; Manos, Manolis J.; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios; Escuer, Albert; Perlepes, Spyros P. (2015)
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Triangular NiII2LnIII and Ni II2YIII complexes derived from di-2-pyridyl ketone: Synthesis, structures and magnetic properties
Georgopoulou, Anastasia N.; Efthymiou, Constantinos G.; Papatriantafyllopoulou, Constantina; Psycharis, Vassilis P.; Raptopoulou, Catherine P.; Manos, Manolis J.; Tasiopoulos, Anastasios J.; Escuer, Albert; Perlepes, Spyros P. (2011)The synthetic investigation of the NiII/M(NO3) 3·6H2O/di-2-pyridyl ketone [(py)2CO] tertiary reaction system in EtOH has yielded triangular Ni2M cationic complexes (M = lanthanide, Y). The reaction between Ln(NO3) 3·6H2O, ...
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Use of the sulfato ligand in 3d-metal cluster chemistry: A family of hexanuclear nickel(II) complexes with 2-pyridyl-substituted oxime ligands
Papatriantafyllopoulou, Constantina; Aromí, Guillem; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios; Raptopoulou, Catherine P.; Teat, S. J.; Escuer, Albert; Perlepes, Spyros P. (2007)The initial use of 2-pyridyl-substituted oximes [(py)C(R)-NOH