Search Results - "Risch, Nikolaus"

The relationship between life satisfaction and risk preferences of couch potatoes, recreational and elite athletes: the impact of mental dispositions and attitudes by Aguiar-Noury, Alice, Frick, Bernd, Risch, Nikolaus

“…Introduction This study examines the relationship between physical activity and mental wellbeing among students not playing any sport (“couch potatoes”),…”
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Photophysical properties and OLED performance of light-emitting platinum(II) complexes by Kourkoulos, Dimitrios, Karakus, Cüneyt, Hertel, Dirk, Alle, Ronald, Schmeding, Sebastian, Hummel, Johanna, Risch, Nikolaus, Holder, Elisabeth, Meerholz, Klaus

“…The synthesis, photophysical properties and application as emitters in solution-processed multi-layer organic light-emitting diodes (OLEDs) of a series of…”
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Referenced Dual Pressure- and Temperature-Sensitive Paint for Digital Color Camera Read Out by Fischer, Lorenz H., Karakus, Cüneyt, Meier, Robert J., Risch, Nikolaus, Wolfbeis, Otto S., Holder, Elisabeth, Schäferling, Michael

“…The first fluorescent material for the referenced simultaneous RGB (red green blue) imaging of barometric pressure (oxygen partial pressure) and temperature is…”
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New Heck-Type Coupling Reactions of Natural Tetrapyrroles − Synthesis of Porphyrinoligomers Bridged by Divinyl- and Trivinylbenzene by Gauler, Rainer, Risch, Nikolaus

“…Using palladium(0)‐catalyzed coupling reactions we were able to synthesize mono‐, di‐, and trimeric porphyrins linked by di‐ and trivinylbenzenes. The…”
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Synthesis of Ditopic Oligopyridines Using the Suzuki Coupling Reaction by Risch, Nikolaus, Sielemann, Dirk, Winter, Andreas

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γ-Regioselectivity of (furan-2-yloxy)-trimethyl-silane towards iminium salts: synthesis of γ-arylidenebutenolides by Piper, Stefan, Risch, Nikolaus

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Star-shaped Threefold Dihydropyridine and Xanthene Derivatives by Risch, Nikolaus, Sielemann, Dirk, Winter, Andreas

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Synthesis of carbon-carbon linked porphyrinoligomers by utilization of Heck-type coupling of natural tetrapyrroles by Gauler, Rainer, Risch, Nikolaus

“…The Heck type cross-coupling reaction of zinc(II)-monobromodeuteroporphyrin-dimethylester and di- or trivinylbenzene provided CC-linked di- and trimeric…”
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Facile preparation of novel β-substituted metalloporphyrins via Suzuki cross-coupling reaction by Gauler, Rainer, Keuper, Ralf, Winter, Andreas, Risch, Nikolaus

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Modern Variants of the Mannich Reaction by Arend, Michael, Westermann, Bernhard, Risch, Nikolaus

“…Important building blocks for the synthesis of drugs or natural products are found in Mannich bases and their derivatives. Modern variants of the Mannich…”
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Oligo(U-terpyridines) and Their Ruthenium(II) Complexes:  Synthesis and Structural Properties by Winter, Andreas, Hummel, Johanna, Risch, Nikolaus

“…A highly efficient domino reaction starting from tetrahydroquinolinone and a series of bisiminium salts provides the corresponding bis(U-terpyridines). These…”
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Determination of the relative ligand-binding strengths in heteroleptic Ir(III) complexes by ESI-Q-TOF tandem mass spectrometry by Altuntaş, Esra, Winter, Andreas, Baumgaertel, Anja, Paulus, Renzo M, Ulbricht, Christoph, Crecelius, Anna C, Risch, Nikolaus, Schubert, Ulrich S

“…An electrospray ionization quadrupole time-of-flight mass spectrometer has been utilized to investigate the relative ligand-binding strengths in a series of…”
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Determination of the relative ligand‐binding strengths in heteroleptic Ir III complexes by ESI‐Q‐TOF tandem mass spectrometry by Altuntaş, Esra, Winter, Andreas, Baumgaertel, Anja, Paulus, Renzo M., Ulbricht, Christoph, Crecelius, Anna C., Risch, Nikolaus, Schubert, Ulrich S.

“…An electrospray ionization quadrupole time‐of‐flight mass spectrometer has been utilized to investigate the relative ligand‐binding strengths in a series of…”
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Determination of the relative ligand-binding strengths in heteroleptic IrIII complexes by ESI-Q-TOF tandem mass spectrometry by Altuntaş, Esra, Winter, Andreas, Baumgaertel, Anja, Paulus, Renzo M., Ulbricht, Christoph, Crecelius, Anna C., Risch, Nikolaus, Schubert, Ulrich S.

“…An electrospray ionization quadrupole time‐of‐flight mass spectrometer has been utilized to investigate the relative ligand‐binding strengths in a series of…”
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An Efficient Synthesis of Novel α-Aminophosphonates Based on a Mannich-Type Reaction by Risch, Nikolaus, Piper, Stefan, Winter, Andreas, Lefarth-Risse, Annette

“…Phosphonate‐substituted iminium salt 2 was used in Mannich reactions with various nucleophiles to obtain novel α‐aminophosphonates. This straightforward and…”
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A Straightforward Synthesis of Enantiomerically Pure trans-2, 5-Bis(alkyloxymethyl) pyrrolidines by 1, 3-Dipolar Cycloaddition Reactions of Azomethine Ylides by Wittland, Claudia, Risch, Nikolaus

“…A new efficient method for the stereoselective preparation of trans‐2,5‐bis(alkyloxymethyl)pyrrolidines (7) using easily available starting materials is…”
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Preparation, characterization and selective reactions of novel [1,3]diazetidine-2,4-diones (uretdiones) - a new route to generate asymmetric substituted toluylenediisocyanate-derivatives by Risch, Nikolaus, Westerwelle, Ulrich, Kiene, Jürgen, Keuper, Ralf

“…The selective cyclodimerization of monomeric diisocyanates like IPDI 4 and TDI 5 yields [1,3]diazetidine‐2,4‐diones (uretdiones). On this basis, a new method…”
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Synthesis of porphyrin dimers using a Heck-type coupling reaction with bisacrylates by Risch, Nikolaus, Gauler, Rainer, Keuper, Ralf

“…The Heck-type crosscoupling reaction in DMF under phase-transfer conditions of zinc(II)-monobromo-deuteroporphyrin-dimethylester ( 1) and several bifunctional…”
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Synthesis and Characterization of Novel Pyridines and 3,3′-Bridged Bipyridines Using 1,x-Cyclohexanediones by Keuper, Ralf, Risch, Nikolaus

“…A one‐pot reaction using 1,x‐cyclohexanediones, a Mannich base (or its hydrochloride), and ammonium acetate delivers novel pyridines or 3,3′‐bridged bipyridine…”
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A highly regioselective synthesis of α,α-bis-Mannich bases by aminomethylation of imines with iminium salts by Arend, Michael, Risch, Nikolaus

“…The aminomethylation of imines R(CH 3)CNPr (R = alkyl, aryl) with iminium salts provides for the first time a mild, broadly applicable and highly…”
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