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Novel ruthenium(II) cyclopentadienyl thiosemicarbazone compounds with antiproliferative activity on pathogenic trypanosomatid parasites

05-Jul-2015 | Author(s): Mariana Fernández , Esteban Rodríguez Arce , Cynthia Sarniguet , Tânia S. Morais , Ana Isabel Tomaz ..., Journal of Inorganic Biochemistry, 2015

Publication date: Available online 30 June 2015 Source:Journal of Inorganic Biochemistry Author(s): Mariana Fernández , Esteban Rodríguez Arce , Cynthia Sarniguet , Tânia S. Morais , Ana Isabel Tomaz , Claudio Olea Azar , Roberto Figueroa , J. Diego Maya , Andrea Medeiros , ...

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Synthesis and reactivity of TADDOL-based chiral Fe(II) PNP pincer complexes-solution equilibria between [small kappa]2P,N- and [small kappa]3P,N,P-bound PNP pincer ligands

01-Jul-2015 | Christian Holzhacker; Berthold Stöger; Maria Deus Carvalho; Liliana P. Ferreira; Ernst Pittenauer; Günter Allmaier; ..., Dalton Transactions, 2015

Treatment of anhydrous FeX2 (X = Cl, Br) with 1 equiv. of the asymmetric chiral PNP pincer ligands PNP-R,TAD (R = iPr, tBu) with an R,R-TADDOL (TAD) moiety afforded complexes of the general formula [Fe(PNP)X2]. In the solid state these complexes adopt a tetrahedral geometry with the PNP ligand ...

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Air-Stable NNS (ENENES) Ligands and Their Well-Defined Ruthenium and Iridium Complexes for Molecular Catalysis

29-Jun-2015 | Pavel A. Dub; Brian L. Scott; John C. Gordon, Organometallics, 2015

We introduce ENENES, a new family of air-stable and low-cost NNS ligands bearing NH functionalities of the general formula E(CH2)mNH(CH2)nSR, where E is selected from −NC4H8O, −NC4H8, or −N(CH3)2, m and n = 2 and/or 3, and R = Ph, Bn, Me, or SR (part of a thiophenyl fragment). The preparation and ...

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1,1′-Bis(pyrazol-3-yl)ferrocene: A Clip Ligand That Forms Supramolecular Aggregates and Prismatic Hexanuclear Coinage Metal Complexes

26-Jun-2015 | Mattia Veronelli; Sebastian Dechert; Serhiy Demeshko; Franc Meyer, Inorganic Chemistry, 2015

Two ferrocene derivatives with appended pyrazole substituents, namely, 1,1′-bis(5-methyl-1H-pyrazol-3-yl)ferrocene (H2LH) and 1,1′-bis(5-trifluoromethyl-1H-pyrazol-3-yl)ferrocene (H2LF), were synthesized. In solid state they form distinct H-bonded dimers with orthogonal (H2LH, C2 symmetry) or ...

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MOF crystal growth: UV resonance Raman investigation of metal-ligand binding in solution and accelerated crystal growth methods

26-Jun-2015 | Thomas Petersen; Gurusamy Balakrishnan; Colin Weeks, Dalton Transactions, 2015

Determining the mechanism of metal-organic framework (MOF) crystal growth is important for the development of more efficient and reliable synthetic methods. Resonance Raman spectroscopy has been used for the first time to detect interactions in solution between metal ions and bridging ligands as ...

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The key role of coligands in novel ruthenium(II)-cyclopentadienyl bipyridine derivatives: ranging from non-cytotoxic to highly cytotoxic compounds

21-Jun-2015 | Author(s): Leonor Côrte-Real , M. Paula Robalo , Fernanda Marques , Guilherme Nogueira , Fernando Avecilla , Ti ..., Journal of Inorganic Biochemistry, 2015

Publication date: Available online 20 June 2015 Source:Journal of Inorganic Biochemistry Author(s): Leonor Côrte-Real , M. Paula Robalo , Fernanda Marques , Guilherme Nogueira , Fernando Avecilla , Tiago J.L. Silva , Filipa C. Santos , A. Isabel Tomaz , M. Helena Garcia , Andreia ...

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Electrostatic Stabilized InP Colloidal Quantum Dots with High Photoluminescence Efficiency

19-Jun-2015 | Anush N. Mnoyan; Artavazd Gh. Kirakosyan; Hyunki Kim; Ho Seong Jang; Duk Young Jeon, Langmuir, 2015

Electrostatically stabilized InP quantum dots (QDs) showing a high luminescence yield of 16% without any long alkyl chain coordinating ligands on their surface are demonstrated. This is achieved by UV-etching the QDs in the presence of fluoric and sulfuric acids. Fluoric acid plays a critical ...

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Synthesis of a series of new platinum organometallic complexes derived from bidentate Schiff-base ligands and their catalytic activity in the hydrosilylation and dehydrosilylation of styrene

17-Jun-2015 | M. Belhadj Lachachi; Tayeb Benabdallah; Pedro M. Aguiar; M. Hadj Youcef; Adrian C. Whitwood; Jason M. Lynam, Dalton Transactions, 2015

The synthesis and properties of a novel class of platinum complexes containing Schiff bases as O,N-bidentate ligands is described as are the solution and solid state properties of the uncomplexed ligands. The platinum complexes were prepared from [PtBr2(COD)] (COD = 1,5-cyclooctadiene) and ...

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Study on the solution and solid-state fluorescence of novel BF2 complexes with (Z)-2-[phenanthridin-6(5H)-ylidene]-1-phenylethanone and its derivatives as ligands

17-Jun-2015 | Ding-Er Wu; Xiao-Lin Lu; Min Xia, New Journal of Chemistry, 2015

A family of novel BF2 complexes with (Z)-2-[phenanthridin-6(5H)-ylidene]-1-phenylethanone and its derivatives as ligands is prepared and characterized. A structure-property relationship indicates that photophysical properties of these complexes, which are intensely emissive both in solution and ...

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New ruthenium(II) coordination compounds possessing bidentate aminomethylphosphane ligands: synthesis, characterization and preliminary biological study in vitro

17-Jun-2015 | Michał Płotek; Radosław Starosta; Urszula K. Komarnicka; Agnieszka Skórska-Stania; Malgorzata Jezowska-Bojczuk; Graz ..., Dalton Transactions, 2015

Addition of aminomethylphosphanes P{CH2N(CH2CH2)2O}3 (1), PPh2{CH2N(CH2CH2)2O} (2) or PPh2{CH2N(CH2CH2)2NCH2CH3} (3) to methanolic solution of RuCl3 results in reduction of ruthenium(III) ion giving finally ttt-[RuCl2(1)2], ttt-[RuCl2(2)2] and ttt-[RuCl2(3)2]. Synthesized complexes are the first ...

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