The use of di-2-pyridyl ketone in manganese(II) benzoate chemistry: Two novel linkage isomers containing the ketone form of the ligand and a neutral cubane containing the ligand in its gem-diolate(-1) form

Stoumpos, Constantinos C.; Gass, Ian A.; Milios, Constantinos J.; Kefalloniti, Elena; Raptopoulou, Catherine P.; Terzis, Aris; Lalioti, Nikolia; Brechin, Euan K.; Perlepes, Spyros P.

doi:10.1016/j.inoche.2007.11.025

Cited by 37 publications

(12 citation statements)

References 40 publications

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“…Different interesting coordination modes have been seen when the ligands (py) 2 C(OR)(OH) and( py) 2 C(OH) 2 are deprotonated to form mono-or dianions. The deprotonation of hydroxyl groups leads to acoordinative flexibility [6][7][8]. …”

Section: Discussionmentioning

confidence: 99%

Crystal structure of bis{(hydroxy-methoxy-di(2-pyridyl)- methane-k3N,O,N')bis(μ2-iodo)diiododimercury(II)}, [Hg2I4(C12H12N2O2)]2

Esmhosseini¹,

Safari²,

Amani³

et al. 2011

Zeitschrift Für Kristallographie - New Crystal Structures

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Source of materialFort he preparation of thet itle compound, as olution of di(2-pyridyl)ketone (0.15 g, 0.80 mmol) in methanol (5 ml) was added to asolution of HgI 2 (0.36 g, 0.80 mmol) in methanol (15 ml) and the resulting colorless solution was stirred for 15 min at 40°C. This solution was left to evaporate slowly at room temperature. Afterone week,yellow needle-shaped crystals of the title compoundwereisolated(yield0.32g,71.1%). Experimental detailsIt is notablet hatt he slightly high residual densities,2 .09a nd -1.69e /Å 3 ,a re near to heavyIand Hg atoms( highest peak at 0.77 Åfrom I1, and deepest hole at 0.93 Åfrom Hg1). The structure was checked by PLATON [1]and no solvent accessible void has been found. DiscussionThe polydentate ligand di(2-pyridyl)ketone (dpk), its hydrolyzed derivatives (py) 2 C(OR)(OH) and( py) 2 C(OH) 2 or its anions

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Section: Discussionmentioning

confidence: 99%

Crystal structure of bis{(hydroxy-methoxy-di(2-pyridyl)- methane-k3N,O,N')bis(μ2-iodo)diiododimercury(II)}, [Hg2I4(C12H12N2O2)]2

Esmhosseini¹,

Safari²,

Amani³

et al. 2011

Zeitschrift Für Kristallographie - New Crystal Structures

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“…The crystal structure contains tetranuclear [Zn 4 (O 2 CPh) 4 {(py) 2 C(OH)O} 4 ] molecules ( Fig. 1), similar to the corresponding Mn 4 cubane compound (Stoumpos, et al, 2008). The tetramolecular molecule lies on a fourfold inversion center and hence the asymmetric unit contains a quarter of a molecule.…”

Section: Tablementioning

confidence: 91%

“…For background to transition metal ions as the major cationic contributors to the inorganic composition of natural water and biological fluids, see: Daniele et al (2008); For related crystal structures, see: Lee et al (2008); Park et al (2008); Yu et al (2008); Stoumpos et al (2008); Papaefstathiou & Perlepes (2002); Papatriantafyllopoulou et al (2007).…”

Section: Related Literaturementioning

confidence: 99%

A neutral cubane with a Zn^II₄O₄core: tetrabenzoatotetrakis(μ₃-hydroxydi-2-pyridylmethanolato)tetrazinc(II)–acetone–methanol (1/2/1)

et al. 2009

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In the title compound, [Zn4(C11H9N2O2)4(C7H5O2)4]·2(CH3)2CO·CH3OH, the tetranuclear molecule lies on a fourfold inversion axis. ZnII ions and μ3-O atoms in the cubane core occupy alternating vertices, forming two interpenetrating tetrahedra. Each ZnII ion is further coordinated by two N atoms from two different (py)2C(OH)O ligands (py is pyridyl) and one O atom from a monodentate benzoate ligand, forming a distorted octahedral environment. The (py)2C(OH)O ligand acts in an η1:η3:η1:μ3 manner, forming two five-membered ZnNCCO chelating rings with two different ZnII atoms sharing a common C—O bond, and an alkoxide-type bond to a third ZnII ion. There are four symmetry-related intramolecular O—H⋯O hydrogen bonds between the two types of ligands. In the asymmetric unit, there is a half-occupancy acetone solvent molecule and a half-occupancy methanol solvent molecule that lies on a twofold rotation axis.

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“…A similar procedure was performed as in the case of [Ru(CO) 4 (-CO)(dpkO,Oeth) 2 ] complex but the reaction time was three days. The solution color changed from bright yellow to light brown without formation of precipitate.…”

Section: (Dpkooeth)] Complexmentioning

confidence: 99%

“…As bidentate ligand it can bound through a N,O-coordination giving a five-membered chelate ring or a N,N-coordination forming a six-membered ring [1][2][3][4]. In the bidentate mode, delocalization of electrons through the pyridine rings and the keto group result in a wide range of charge species from a neutral precursor and a low energy metal to ligand charge transfer (MLCT) all of which are important in electronic transfer processes and catalysis [5].…”

Section: Introductionmentioning

confidence: 99%

Reactions of Dipyridylketone With Group 8 Metal Carbonyls in Different Media

Khalil

2008

Al-Azhar Bulletin of Science

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Reaction of di-(2-pyridyl)ketone (dpk) with [M 3 (CO) 12 ], M =Ru or Os in dioxan under reduced pressure gave the tricarbonyl derivative [Ru(CO) 3 (dpk)] (1) and [Os(CO) 3 (dpk)] (2). When these reactions were carried out in benzene/ethanol 1:1 (v:v) under reflux and reduced pressure gave the binuclear ruthenium complex [Ru 2 (CO) 4 (-CO)( 3 -dpkO,Oeth) 2 ] (3), where  3 -dpkO,Oeth is N,O,N-ethoxybis(2-pyridyl)-methanolato and the mononuclear [Os(CO) 3 ( 3 -dpkO,Oeth) (4). All complexes were characterized by elemental analysis, infrared, mass and 1 H NMR spectroscopy. The spectroscopic measurements indicated that in dioxane as solvent the dpk act as bidentate ligand while in benzene/ethanol solution the dpk act as tridentate ligand. The magnetic measurements revealed that the complexes (3) and (4) are paramagnetic with change in the formal oxidation state of the ruthenium and osmium atoms from zero to +1 via oxidative addition of the OH group to ruthenium or osmium with a proton displacement to give a low-spin d 7 electronic configuration The UV-Vis studies of the complexes showed blue shift compared to the ligand confirming complex formation.

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The use of di-2-pyridyl ketone in manganese(II) benzoate chemistry: Two novel linkage isomers containing the ketone form of the ligand and a neutral cubane containing the ligand in its gem-diolate(-1) form

Cited by 37 publications

References 40 publications

Crystal structure of bis{(hydroxy-methoxy-di(2-pyridyl)- methane-k3N,O,N')bis(μ2-iodo)diiododimercury(II)}, [Hg2I4(C12H12N2O2)]2

Crystal structure of bis{(hydroxy-methoxy-di(2-pyridyl)- methane-k3N,O,N')bis(μ2-iodo)diiododimercury(II)}, [Hg2I4(C12H12N2O2)]2

A neutral cubane with a Zn^II₄O₄core: tetrabenzoatotetrakis(μ₃-hydroxydi-2-pyridylmethanolato)tetrazinc(II)–acetone–methanol (1/2/1)

Reactions of Dipyridylketone With Group 8 Metal Carbonyls in Different Media

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The use of di-2-pyridyl ketone in manganese(II) benzoate chemistry: Two novel linkage isomers containing the ketone form of the ligand and a neutral cubane containing the ligand in its gem-diolate(-1) form

Cited by 37 publications

References 40 publications

Crystal structure of bis{(hydroxy-methoxy-di(2-pyridyl)- methane-k3N,O,N')bis(μ2-iodo)diiododimercury(II)}, [Hg2I4(C12H12N2O2)]2

Crystal structure of bis{(hydroxy-methoxy-di(2-pyridyl)- methane-k3N,O,N')bis(μ2-iodo)diiododimercury(II)}, [Hg2I4(C12H12N2O2)]2

A neutral cubane with a ZnII4O4core: tetrabenzoatotetrakis(μ3-hydroxydi-2-pyridylmethanolato)tetrazinc(II)–acetone–methanol (1/2/1)

Reactions of Dipyridylketone With Group 8 Metal Carbonyls in Different Media

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A neutral cubane with a Zn^II₄O₄core: tetrabenzoatotetrakis(μ₃-hydroxydi-2-pyridylmethanolato)tetrazinc(II)–acetone–methanol (1/2/1)