Suchergebnisse - "Paretzki, Alexa"

Noninnocence of Indigo: Dehydroindigo Anions as Bridging Electron-Donor Ligands in Diruthenium Complexes von Mondal, Prasenjit, Chatterjee, Madhumita, Paretzki, Alexa, Beyer, Katharina, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… Complexes of singly or doubly deprotonated indigo (H2Ind) with one or two [Ru(pap)2](2+) fragments (pap = 2-phenylazopyridine) have been characterized …”
Weitere Angaben

Correlated Coordination and Redox Activity of a Hemilabile Noninnocent Ligand in Nickel Complexes von Paretzki, Alexa, Bubrin, Martina, Fiedler, Jan, Záliš, Stanislav, Kaim, Wolfgang

“… The compound [Ni(QM)2], QM=4,6‐di‐tert‐butyl‐N‐(2‐methylthiomethylphenyl)‐o‐iminobenzoquinone, is a singlet diradical species with approximately planar …”
Volltext

Isomeric Diruthenium Complexes Bridged by Deprotonated Indigo in cis and trans Configuration von Chatterjee, Madhumita, Ghosh, Prabir, Beyer, Katharina, Paretzki, Alexa, Fiedler, Jan, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… The doubly deprotonated form L2− of indigo=H2L can bind two [Ru(acac)2] complex fragments in the cis (1) and trans configuration (2), as evidenced from crystal …”
Volltext

PESIN Conjugates for Multimodal Imaging: Can Multimerization Compensate Charge Influences on Cell Binding Properties? A Case Study von Hübner, Ralph, Paretzki, Alexa, von Kiedrowski, Valeska, Maspero, Marco, Cheng, Xia, Davarci, Güllü, Braun, Diana, Damerow, Helen, Judmann, Benedikt, Filippou, Vasileios, Dallanoce, Clelia, Schirrmacher, Ralf, Wängler, Björn, Wängler, Carmen

“… Recently, anionic charges were found to negatively influence the in vitro gastrin-releasing peptide receptor (GRPR) binding parameters of dually radioisotope …”
Volltext

Interacting metal and ligand based open shell systems: Challenges for experiment and theory von Kaim, Wolfgang, Paretzki, Alexa

“… [Display omitted] •Analysis of oxidation and spin state situations is described for selected M-L-M and L-M-L systems.•The value of combining various …”
Volltext

A structurally characterised redox pair involving an indigo radical: indigo based redox activity in complexes with one or two [Ru(bpy) 2 ] fragments von Chatterjee, Madhumita, Mondal, Prasenjit, Beyer, Katharina, Paretzki, Alexa, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… The reaction between indigo, H Ind, and {Ru(bpy) (EtOH) } in EtOH/NaOH produced the compounds [Ru(bpy) (HInd)]ClO [1]ClO , rac-{[Ru(bpy) ] (μ-Ind)}(ClO ) …”
Weitere Angaben

Metal-Metal Bridging Using the DPPP Dye System: Electronic Configurations within Multiple Redox Series von Singha Hazari, Arijit, Mandal, Abhishek, Beyer, Katharina, Paretzki, Alexa, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… Redox series [L Ru(μ-DPPP)RuL ] , H DPPP = 2,5-dihydro-3,6-di-2-pyridylpyrrolo(3,4-c)pyrrole-1,4-dione and L = 2,4-pentanedionato (acac ), 2,2'-bipyridine …”
Weitere Angaben

Analysis of Redox Series of Unsymmetrical 1,4-Diamido-9,10-anthraquinone-Bridged Diruthenium Compounds von Mandal, Abhishek, Hoque, Md Asmaul, Grupp, Anita, Paretzki, Alexa, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… The unsymmetrical diruthenium complexes [(bpy)2Ru(II)(μ-H2L(2-))Ru(III)(acac)2]ClO4 ([3]ClO4), [(pap)2RuII(μ-H2L(2-))Ru(III)(acac)2]ClO4 ([4]ClO4), and …”
Weitere Angaben

Isomeric Diruthenium Complexes of a Heterocyclic and Quinonoid Bridging Ligand: Valence and Spin Alternatives for the Metal/Ligand/Metal Arrangement von Ansari, Mohd Asif, Mandal, Abhishek, Paretzki, Alexa, Beyer, Katharina, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… 5,7,12,14-Tetraazapentacene-6,13-quinone (L) reacts with 2 equiv of [Ru(acac) (CH CN) ] to form two linkage isomeric bis(chelate) compounds, [{Ru (acac) } …”
Weitere Angaben

1,5-Diamido-9,10-anthraquinone, a Centrosymmetric Redox-Active Bridge with Two Coupled β-Ketiminato Chelate Functions: Symmetric and Asymmetric Diruthenium Complexes von Ansari, Mohd Asif, Mandal, Abhishek, Paretzki, Alexa, Beyer, Katharina, Fiedler, Jan, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… The dinuclear complexes {(μ-H2L)[Ru(bpy)2]2}(ClO4)2 ([3](ClO4)2), {(μ-H2L)[Ru(pap)2]2}(ClO4)2 ([4](ClO4)2), and the asymmetric [(bpy)2Ru(μ-H2L)Ru(pap)2](ClO4)2 …”
Weitere Angaben

Analysis of a Diimine‐Organonickel Redox Series von Sondermann, Christina, Pižl, Martin, Paretzki, Alexa, Feil, Christoph, Ringenberg, Mark R., Záliš, Stanislav, Kaim, Wolfgang

“… Complex cations [Ni(C5R5)(L)]+, L = 1,4‐diphenyl‐2,3‐dimethyl‐1,4‐diaza‐1,3‐butadiene, were compared as structurally characterized BF4– (R = H) and SbF6– salts …”
Volltext

Non-innocence and mixed valency in tri- and tetranuclear ruthenium complexes of a heteroquinone bridging ligand von Ansari, Mohd Asif, Mandal, Abhishek, Beyer, Katharina, Paretzki, Alexa, Schwederski, Brigitte, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… The redox-active ligand 5,7,12,14-tetraazapentacene-6,13-quinone = L forms structurally characterised compounds with three (1) or four (2) [Ru(acac) ] complex …”
Weitere Angaben

Different manifestations of enhanced π-acceptor ligation at every redox level of [Os(9-OP)L 2 ] n , n = 2+, +, 0, - (9-OP - = 9-oxidophenalenone and L = bpy or pap) von Hazari, Arijit Singha, Paretzki, Alexa, Fiedler, Jan, Zalis, Stanislav, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… The title complexes were isolated as structurally characterised compounds [Os (9-OP)L ]ClO , L = 2,2'-bipyridine (bpy) or 2-phenylazopyridine (pap), and were …”
Weitere Angaben

The BIAN ligand 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene: An electron sponge or a “normal” α-diimine ligand? von Löw, Isabell, Bubrin, Martina, Paretzki, Alexa, Fiedler, Jan, Záliš, Stanislav, Kaim, Wolfgang

“… Despite a capacity for multistep reduction there is no evidence for special multielectron transfer behavior of the BIAN ligand system in carbonylmetal …”
Volltext

Organosilicon Radicals with Si-H and Si-Me Bonds from Commodity Precursors von Kundu, Subrata, Samuel, Prinson P, Sinhababu, Soumen, Luebben, Anna V, Dittrich, Birger, Andrada, Diego M, Frenking, Gernot, Stückl, A Claudia, Schwederski, Brigitte, Paretzki, Alexa, Kaim, Wolfgang, Roesky, Herbert W

“… The cyclic alkyl(amino) carbene (cAAC) stabilized biradicals of composition (cAAC) SiH (1), (cAAC)SiMe -SiMe (cAAC) (2), and (cAAC)SiMeCl-SiMeCl(cAAC) (3) have …”
Weitere Angaben

A structurally characterised redox pair involving an indigo radical: indigo based redox activity in complexes with one or two Ru(bpy)2 fragments von Chatterjee, Madhumita, Mondal, Prasenjit, Beyer, Katharina, Paretzki, Alexa, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… The reaction between indigo, H2Ind, and {Ru(bpy)2(EtOH)2}2+ in EtOH/NaOH produced the compounds [Ru(bpy)2(HInd)]ClO4 [1]ClO4, rac-{[Ru(bpy)2]2(μ-Ind)}(ClO4)2 …”
Weitere Angaben

Stabilising a quinonoid-bridged dicopper(I) complex by use of a dppf (dppf = (diphenylphosphino)ferrocene) backbone von Paretzki, Alexa, Pattacini, Roberto, Huebner, Ralph, Braunstein, Pierre, Sarkar, Biprajit

“… An unprecedented quinonoid-bridged dicopper(I) complex is described together with its redox, EPR and structural properties, which indicate a non-innocent role …”
Weitere Angaben

Different manifestations of enhanced π-acceptor ligation at every redox level of Os(9-OP)L2n, n = 2+, +, 0, - (9-OP- = 9-oxidophenalenone and L = bpy or pap) von Hazari, Arijit Singha, Paretzki, Alexa, Fiedler, Jan, Zalis, Stanislav, Kaim, Wolfgang, Lahiri, Goutam Kumar

“… The title complexes were isolated as structurally characterised compounds [OsII(9-OP)L2]ClO4, L = 2,2'-bipyridine (bpy) or 2-phenylazopyridine (pap), and were …”
Weitere Angaben

Solar cell sensitizer models [Ru(bpy-R)2(NCS)2] probed by spectroelectrochemistry von Kämper, Sara, Paretzki, Alexa, Fiedler, Jan, Záliš, Stanislav, Kaim, Wolfgang

“… Complexes [Ru(bpy-R)(2)(NCS)(2)], where R = H (1), 4,4'-(CO(2)Et)(2) (2), 4,4'-(OMe)(2) (3), and 4,4'-Me(2) (4), were studied by spectroelectrochemistry in the …”
Weitere Angaben

Identifying Intermediates of Sequential Electron and Hydrogen Loss from a Dicarbonylcobalt Hydride Complex von Krafft, Michael J., Bubrin, Martina, Paretzki, Alexa, Lissner, Falk, Fiedler, Jan, Záliš, Stanislav, Kaim, Wolfgang

“… Step by step: Electron‐ and hydrogen‐transfer steps are documented IR‐spectroelectrochemically and structurally for the H2‐producing oxidation of a …”
Volltext