Browsing by Author "Perlepes, Spyros P."
Now showing items 1-20 of 32
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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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4-(Hydroxymethyl)pyridine and pyrimidine in manganese benzoate chemistry: Preparation and characterization of hexanuclear clusters featuring the { Mn4II Mn2III ( μ4 - O )2 }10 + core
Stamatatos, Theocharis C.; Foguet-Albiol, D.; Perlepes, Spyros P.; Raptopoulou, Catherine P.; Terzis, Aris; Patrickios, Costas S.; Christou, George; Tasiopoulos, Anastasios J. (2006)The use of 4-(hydroxymethyl)pyridine (4hmpH) and pyrimidine (pym) in manganese benzoate chemistry has been investigated. The reactions of 4hmpH and pym with Mn(O2CPh)2 · 2H2O in MeCN affords the complexes [Mn6O2(O2CPh)10(4hmpH) ...
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Article
Alcoholysis/hydrolysis of 1,1′-carbonyldiimidazole as a means of preparing unprecedented, imidazole-containing one-dimensional coordination polymers of copper(II)
Stamatatos, Theocharis C.; Perlepes, Spyros P.; Raptopoulou, Catherine P.; Terzis, Aris; Patrickios, Costas S.; Tasiopoulos, Anastasios J.; Boudalis, Athanassios K. (2009)The use of 1,1′-carbonyldiimidazole, (im)2CO, for the synthesis of imidazolate (im-) and/or imidazole (Him)-containing copper(II) coordination polymers is described. The [Cu2(O 2CMe)4(H2O)2]/(im)2CO reaction system in EtOH ...
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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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ChemInform Abstract: A Missing Oxidation‐State Level in the Family of Polyoxo(azide)octadecavanadate(IV/V) Clusters: Synthesis, Structure and Antitumoural Properties of VIV11VV7O44 (N3)]10‐ in a Sodium Containing‐3D Architecture.
Roubatis, Leonidas; Anastasiadis, Nikolaos C.; Paratriantafyllopoulou, Constantina; Moushi, Eleni E.; Tasiopoulos, Anastasios J.; Karkabounas, Spyridon Ch; Veltsistas, Panayotis Th; Perlepes, Spyros P.; Evangelou, Angelos M. (2016)
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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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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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Diol-type ligands as central 'players' in the chemistry of high-spin molecules and single-molecule magnets
Tasiopoulos, Anastasios J.; Perlepes, Spyros P. (2008)The combination of diol-type ligands with paramagnetic transition metal ions has led to the isolation of a host of new homometallic and heterometallic clusters, high-spin molecules and single molecule magnets ranging in ...
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Employment of methyl 2-pyridyl ketone oxime in manganese non-carboxylate chemistry: MnII2MnIV and MnII 2MnIII6 complexes
Stoumpos, Constantinos C.; Stamatatos, Theocharis C.; Sartzi, H.; Roubeau, O.; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios; Teat, S. J.; Christou, George; Perlepes, Spyros P. (2009)The employment of the anion of methyl 2-pyridyl ketone oxime (mpko -) as a tridentate chelating/bridging ligand in manganese chemistry is described. The inorganic anion (Br-, ClO4-) used in the reaction affects the identity ...
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Article
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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Article
Heterometallic MnIII4Ln2 (Ln = Dy, Gd, Tb) Cross-Shaped Clusters and Their Homometallic MnIII4MnII2 Analogues
Savva, Maria; Skordi, Katerina; Fournet, A. D.; Thuijs, A. E.; Christou, George; Perlepes, Spyros P.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J. (2017)The employment of di-2-pyridyl ketone, (py)2CO, in heterometallic Mn/4f and homometallic Mn cluster chemistry has yielded six MnIII4Ln2 and two MnIII4MnII2 structurally related clusters, namely, [Mn4Ln2O2{(py)2CO2}4(NO3) ...
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Hexanuclear zinc(II) carboxylate complexes from the use of pyridine-2,6-dimethanol: Synthetic, structural and photoluminescence studies
Katsoulakou, E.; Dermitzaki, Despina; Konidaris, K. F.; Moushi, Eleni E.; Raptopoulou, Catherine P.; Psycharis, Vassilis P.; Tasiopoulos, Anastasios J.; Bekiari, Vlasoula; Manessi-Zoupa, E.; Perlepes, Spyros P.; Stamatatos, Theocharis C. (2013)The employment of pyridine-2,6-dimethanol (pdmH2) in zinc(II) carboxylate chemistry is reported. The syntheses, crystal structures, and spectroscopic characterization are described for the structurally similar cluster ...
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High nuclearity single-molecule magnets: A mixed-valence Mn26 cluster containing the di-2-pyridylketone diolate dianion
Stamatatos, Theocharis C.; Nastopoulos, Vassilios; Tasiopoulos, Anastasios J.; Moushi, Eleni E.; Wernsdorfer, W.; Christou, George; Perlepes, Spyros P. (2008)The employment of the dianion (dpkd2-) of the gem-diol form of di-2-pyridylketone (dpk) as a tetradentate chelate in manganese chemistry is reported, and the synthesis, crystal structure, and magnetochemical characterization ...
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Initial use of 1,1′-oxalyldiimidazole for inorganic synthesis: Decomposition of the ligand as a means to the preparation of an imidazole- and oxalate(-2)-containing, 1D copper(II) complex
Stamatatos, Theocharis C.; Perlepes, Spyros P.; Raptopoulou, Catherine P.; Psycharis, Vassilis P.; Patrickios, Costas S.; Tasiopoulos, Anastasios J.; Boudalis, Athanassios K. (2009)The use of 1,1′-oxalyldiimidazole, (im)COCO(im), for the synthesis of coordination complexes is explored for the first time. The [Cu2(O2CMe)4(H2O)2]/(im)COCO(im) reaction system in 96% EtOH yields the new, 1D coordination ...
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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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Metal ion-assisted transformations of 2-pyridinealdoxime and hexafluorophosphate
Konidaris, K. F.; Polyzou, C. D.; Kostakis, G. E.; Tasiopoulos, Anastasios J.; Roubeau, O.; Teat, S. J.; Manessi-Zoupa, E.; Powell, A. K.; Perlepes, Spyros P. (2012)Metal-ion mediated reactions of 2-pyridinealdoxime and hexafluorophosphate lead to Zn II complexes containing picolinic acid, picolinamide and monofluorophosphate (-2) as ligands. © 2012 The Royal Society of Chemistry.
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A missing oxidation-state level in the family of polyoxo(azide)octadecavanadate(IV/V) clusters: Synthesis, structure and antitumoural properties of [VIV11VV7O44(N3)]10 - In a sodium containing-3D architecture
Roubatis, Leonidas; Anastasiadis, Nikolaos C.; Paratriantafyllopoulou, C.; Moushi, Eleni E.; Tasiopoulos, Anastasios J.; Karkabounas, Spyridon Ch; Veltsistas, Panayotis Th; Perlepes, Spyros P.; Evangelou, Angelos M. (2016)The missing VIV11VV7 oxidation-state member of the polyoxooctadecavanadate(IV/V) - azide family of inorganic host-guest systems has been incorporated in a NaI-containing 3D architecture
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Mononuclear and dinuclear manganese(II) complexes from the use of methyl(2-pyridyl)ketone oxime
Papatriantafyllopoulou, Constantina; Efthymiou, Constantinos G.; Nastopoulos, Vassilios; Raptopoulou, Catherine P.; Tasiopoulos, Anastasios J.; Perlepes, Spyros P. (2010)The reactions of methyl(2-pyridyl)ketone oxime, (py)C(Me)NOH, with manganese(II) sulfate monohydrate have been investigated. The reaction between equimolar quantities of MnSO 4 H 2 O and (py)C(Me)NOH in H 2 O lead to the ...