Výsledky vyhľadávania - "Klein, Axel"

Non-covalent intramolecular interactions through ligand-design promoting efficient photoluminescence from transition metal complexes Autor Koshevoy, Igor O., Krause, Maren, Klein, Axel

“…Ligand design aimed at arranging ligand entities and functional groups in order to generate non-covalent interactions, steric strain and ligand entanglement…”
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Drug problem or medicrime? Distribution and use of falsified Tramadol medication in Egypt and West Africa Autor Klein, Axel

“…Tramadol is a synthetic opioid that is widely used as an analgesic for alleviating pain of moderate to medium intensity. With potency estimated to be about…”
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Cyclometalated Ni(II) Complexes [Ni((NCN)-C-boolean AND-N-boolean AND)X] of the Tridentate 2,6-di(2-pyridyl)phen-ide Ligand Autor Kletsch, Lukas, Hoerner, Gerald, Klein, Axel

“…A series of cyclometalated Ni(II) complexes [Ni(PyPhPy)X] containing anionic (NCN-)-C-boolean AND-N-boolean AND tridentate ligand Py(Ph-)Py…”
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A Sulfonic Acid Polyvinyl Pyridinium Ionic Liquid Catalyzes the Multi-Component Synthesis of Spiro-indoline-3,5′-pyrano[2,3-d]-pyrimidines and -Pyrazines Autor Khalaj, Mehdi, Taherkhani, Mahboubeh, Payen, Leo, Klein, Axel

“…A sulfonated poly-4-vinyl pyridinium (PVPy-IL-B-SO3H) containing an acidic pyridinium/HSO3− ionic liquid moiety was prepared and used as a catalyst for the…”
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Logic Operators on Delta-Sigma Bit-Streams Autor Klein, Axel

“…The fundamental logic operations NOT, OR, AND, and XOR processing bit-streams of Δ Σ -modulators are discussed herein. The resulting bit-streams are evaluated…”
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Functionalizing Thiosemicarbazones for Covalent Conjugation Autor Hohnsen, Johannes, Rryci, Lukas, Obretenova, Diana, Friedel, Joshua, Jouchaghani, Shahab, Klein, Axel

“…Thiosemicarbazones (TSCs) with their modular character (thiosemicarbazides + carbonyl compound) allow broad variation of up to four substituents on the main…”
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Polyethylenimine Grafted onto Nano-NiFe2O4@SiO2 for the Removal of CrO42−, Ni2+, and Pb2+ Ions from Aqueous Solutions Autor Khalaj, Mehdi, Khatami, Seyed-Mola, Kalhor, Mehdi, Zarandi, Maryam, Anthony, Eric Tobechukwu, Klein, Axel

“…Polyethyleneimine (PEI) has been reported to have good potential for the adsorption of metal ions. In this work, PEI was covalently bound to NiFe2O4@SiO2…”
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Spectroelectrochemistry Autor Kaim, Wolfgang, Klein, Axel

“…Electrochemistry affects several relevant research subjects of physics, chemistry and biology such as the transformation of materials, the transfer of…”
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Photoluminescence of Ni(II), Pd(II), and Pt(II) Complexes [M(Me2dpb)Cl] Obtained from C‒H Activation of 1,5-Di(2-pyridyl)-2,4-dimethylbenzene (Me2dpbH) Autor Kletsch, Lukas, Jordan, Rose, Köcher, Alicia S., Buss, Stefan, Strassert, Cristian A., Klein, Axel

“…The three complexes [M(Me2dpb)Cl] (M = Ni, Pd, Pt) containing the tridentate N,C,N-cyclometalating 3,5-dimethyl-1,5-dipyridyl-phenide ligand (Me2dpb−) were…”
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Rhenium Tricarbonyl Complexes of Azodicarboxylate Ligands Autor Jordan, Rose, Niazi, Maryam, Schäfer, Sascha, Kaim, Wolfgang, Klein, Axel

“…The excellent π-accepting azodicarboxylic esters adcOR (R = Et, iPr, tBu, Bn (CH2-C6H5) and Ph) and the piperidinyl amide derivative adcpip were used as…”
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Tetrel Bonding and Other Non-Covalent Interactions Assisted Supramolecular Aggregation in a New Pb(II) Complex of an Isonicotinohydrazide Autor Mahmoudi, Ghodrat, Abedi, Marjan, Lawrence, Simon E., Zangrando, Ennio, Babashkina, Maria G., Klein, Axel, Frontera, Antonio, Safin, Damir A.

“…A new supramolecular Pb(II) complex [PbL(NO2)]n was synthesized from Pb(NO3)2, N’-(1-(pyridin-2-yl)ethylidene)isonicotinohydrazide (HL) and NaNO2. [PbL(NO2)]n…”
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CO2 to CO Electroreduction, Electrocatalytic H2 Evolution, and Catalytic Degradation of Organic Dyes Using a Co(II) meso-Tetraarylporphyrin Autor Guergueb, Mouhieddinne, Loiseau, Frédérique, Molton, Florian, Nasri, Habib, Klein, Axel

“…The meso-tetrakis(4-(trifluoromethyl)phenyl)porphyrinato cobalt(II) complex [Co(TMFPP)] was synthesised in 93% yield. The compound was studied by 1H NMR,…”
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Multi-Component Syntheses of Spiro[furan-2,3′-indoline]-3-carboxylate Derivatives Using Ionic Liquid Catalysts Autor Khalaj, Mehdi, Zarandi, Maryam, Samadi Kazemi, Malihe, Musavi, Seyed Mahmoud, Hohnsen, Johannes, Klein, Axel

“…Two previously described Brønsted acidic ionic liquids, 3,3′-(1,6-hexanediyl)bis(1-methyl)-1H-imidazolium hydrogen sulfate (Cat1) and…”
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DFT Investigation of the Molecular Properties of the Dimethylglyoximato Complexes [M(Hdmg)2] (M = Ni, Pd, Pt) Autor Niazi, Maryam, Klein, Axel

“…Important applications of the NiII, PdII and PtII complexes [M(Hdmg)2] (H2dmg = dimethylglyoxime) stem from their metal...metal stacked virtually insoluble…”
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Guest editorial: A future with coca: embedding indigenous Andean knowledge on the medical, spiritual and recreational opportunities of the coca leaf in contemporary regulatory space Autor Nijmeijer, Janneke, Klein, Axel, Kozar, Gaby, Perez, Jessica Brenda

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Direct Base-Assisted C‒H Cyclonickelation of 6-Phenyl-2,2′-bipyridine Autor Vogt, Nicolas, Sivchik, Vasily, Sandleben, Aaron, Hörner, Gerald, Klein, Axel

“…The organonickel complexes [Ni(Phbpy)X] (X = Br, OAc, CN) were obtained for the first time in a direct base-assisted arene C(sp2)–H cyclometalation reaction…”
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A five-coordinate nickel(II) fluoroalkyl complex as a precursor to a spectroscopically detectable Ni(III) species Autor Zhang, Cheng-Pan, Wang, Huan, Klein, Axel, Biewer, Christian, Stirnat, Kathrin, Yamaguchi, Yoshitaka, Xu, Long, Gomez-Benitez, Valente, Vicic, David A

“…Mechanistic proposals for nickel-catalyzed coupling reactions often invoke five-coordinate alkyl- or aryl-bound Ni(II) and/or high-valent nickel(III) species,…”
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Conformational Locking of the Geometry in Photoluminescent Cyclometalated N^C^N Ni(II) Complexes Autor Niazi, Maryam, Maisuls, Iván, Mai, Lukas A., Schäfer, Sascha A., Oster, Alex, Diaz, Lukas Santiago, Guldi, Dirk M., Doltsinis, Nikos L., Strassert, Cristian A., Klein, Axel

“…In our research aimed at replacing precious transition metals like platinum with abundant base metals such as nickel for efficient triplet emitters, we…”
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No end in sight: the international drug control system once again baulks at the prospect of reform Autor Klein, Axel, Stothard, Blaine

“…PurposeIn two separate sections the authors summarise the observations, use the insights to reflect on some of the propositions made in the book, and follow…”
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Building up PtII−Thiosemicarbazone−Lysine−sC18 Conjugates Autor Haseloer, Alexander, Lützenburg, Tamara, Strache, Joss Pepe, Neudörfl, Jörg, Neundorf, Ines, Klein, Axel

“…Three chiral tridentate N^N^S coordinating pyridine‐carbaldehyde (S)‐N4‐(α‐methylbenzyl)thiosemicarbazones (HTSCmB) were synthesised along with lysine‐modified…”
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