Search Results - "Alpers, Dirk"

A Photoredox‐Induced Stereoselective Dearomative Radical (4+2)‐Cyclization/1,4‐Addition Cascade for the Synthesis of Highly Functionalized Hexahydro‐1H‐carbazoles by Alpers, Dirk, Gallhof, Malte, Witt, Julian, Hoffmann, Frank, Brasholz, Malte

“…A stereoselective synthesis of functionalized hexahydrocarbazoles was developed based on an unprecedented photoredox‐induced dearomative radical…”
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Visible Light Mediated Aryl Migration by Homolytic C−N Cleavage of Aryl Amines by Alpers, Dirk, Cole, Kevin P., Stephenson, Corey R. J.

“…The photocatalytic preparation of aminoalkylated heteroarenes from haloalkylamides via a 1,4‐aryl migration from nitrogen to carbon, conceptually analogous to…”
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Photoredox‐Induced Radical 6‐exo‐trig Cyclizations onto the Indole Nucleus: Aromative versus Dearomative Pathways by Alpers, Dirk, Brasholz, Malte, Rehbein, Julia

“…The investigation of photoredox‐induced intra‐ and intermolecular radical [4+2] annulations of indoles confronted us with a puzzling dichotomous behavior of…”
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A Visible Light Photocatalytic Cross-Dehydrogenative Coupling/Dehydrogenation/6[pi]-Cyclization/Oxidation Cascade: Synthesis of 12-Nitroindoloisoquinolines from 2-Aryltetrahydroisoquinolines by Rusch, Fabian, Unkel, Lisa-Natascha, Alpers, Dirk, Hoffmann, Frank, Brasholz, Malte

“…A visible light-induced photocatalytic dehydrogenation/6π-cyclization/oxidation cascade converts 1-(nitromethyl)-2-aryl-1,2,3,4-tetrahydroisoquinolines into…”
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A Visible Light Photocatalytic Cross-Dehydrogenative Coupling/Dehydrogenation/6π-Cyclization/Oxidation Cascade: Synthesis of 12-Nitroindoloisoquinolines from 2-Aryltetrahydroisoquinolines by Rusch, Fabian, Unkel, Lisa-Natascha, Alpers, Dirk, Hoffmann, Frank, Brasholz, Malte

“…A visible light‐induced photocatalytic dehydrogenation/6π‐cyclization/oxidation cascade converts 1‐(nitromethyl)‐2‐aryl‐1,2,3,4‐tetrahydroisoquinolines into…”
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Iridium(III) Photocatalysis: A Visible‐Light‐Induced Dearomatizative Tandem [4+2] Cyclization to Furnish Benzindolizidines by Mühmel, Sandra, Alpers, Dirk, Hoffmann, Frank, Brasholz, Malte

“…A photocatalytic dearomatizative tandem [4+2] cyclization between N‐(2‐iodoethyl)indoles and a variety of alkenes leads to tri‐ and tetracyclic…”
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A Photoredox‐Induced Stereoselective Dearomative Radical (4+2)‐Cyclization/1,4‐Addition Cascade for the Synthesis of Highly Functionalized Hexahydro‐1 H ‐carbazoles by Alpers, Dirk, Gallhof, Malte, Witt, Julian, Hoffmann, Frank, Brasholz, Malte

“…A stereoselective synthesis of functionalized hexahydrocarbazoles was developed based on an unprecedented photoredox‐induced dearomative radical…”
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High‐Throughput Optimization of Photochemical Reactions using Segmented‐Flow Nanoelectrospray‐Ionization Mass Spectrometry by Sun, Alexandra C., Steyer, Daniel J., Robinson, Richard I., Ginsburg‐Moraff, Carol, Plummer, Scott, Gao, Jinhai, Tucker, Joseph W., Alpers, Dirk, Stephenson, Corey R. J., Kennedy, Robert T.

“…Within the realm of drug discovery, high‐throughput experimentation techniques enable the rapid optimization of reactions and expedited generation of drug…”
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Frontispiece: A Visible Light Photocatalytic Cross-Dehydrogenative Coupling/Dehydrogenation/6[pi]-Cyclization/Oxidation Cascade: Synthesis of 12-Nitroindoloisoquinolines from 2-Aryltetrahydroisoquinolines by Rusch, Fabian, Unkel, Lisa-Natascha, Alpers, Dirk, Hoffmann, Frank, Brasholz, Malte

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Frontispiece: A Visible Light Photocatalytic Cross-Dehydrogenative Coupling/Dehydrogenation/6π-Cyclization/Oxidation Cascade: Synthesis of 12-Nitroindoloisoquinolines from 2-Aryltetrahydroisoquinolines by Rusch, Fabian, Unkel, Lisa-Natascha, Alpers, Dirk, Hoffmann, Frank, Brasholz, Malte

“…Cross‐Dehydrogenative Coupling The photocatalytic C1‐functionalization of 2‐aryltetrahydroisoquinolines by cross‐dehydrogenative coupling with nitroalkanes is…”
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Glycoconjugated Amphiphilic Polymers via Click-Chemistry for the Encapsulation of Quantum Dots by Schmidtke, Christian, Kreuziger, Anna-Marlena, Alpers, Dirk, Jacobsen, Anna, Leshch, Yevgeniy, Eggers, Robin, Kloust, Hauke, Tran, Huong, Ostermann, Johannes, Schotten, Theo, Thiem, Joachim, Thimm, Julian, Weller, Horst

“…Herein, we present a strategy for the glycoconjugation of nanoparticles (NPs), with a special focus on fluorescent quantum dots (QDs), recently described by us…”
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High‐Throughput Optimization of Photochemical Reactions using Segmented‐Flow Nanoelectrospray‐Ionization Mass Spectrometry by Sun, Alexandra C., Steyer, Daniel J., Robinson, Richard I., Ginsburg‐Moraff, Carol, Plummer, Scott, Gao, Jinhai, Tucker, Joseph W., Alpers, Dirk, Stephenson, Corey R. J., Kennedy, Robert T.

“…Within the realm of drug discovery, high‐throughput experimentation techniques enable the rapid optimization of reactions and expedited generation of drug…”
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Photoredox‐induzierte stereoselektive desaromatisierende radikalische (4+2)‐Cyclisierungs/1,4‐Additions‐Kaskade zur Synthese hoch funktionalisierter Hexahydro‐1 H ‐carbazole by Alpers, Dirk, Gallhof, Malte, Witt, Julian, Hoffmann, Frank, Brasholz, Malte

“…Eine stereoselektive Synthese funktionalisierter Hexahydrocarbazole basiert auf einer neuartigen photoredox‐induzierten desaromatisierenden radikalischen…”
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Photoredox‐induzierte stereoselektive desaromatisierende radikalische (4+2)‐Cyclisierungs/1,4‐Additions‐Kaskade zur Synthese hoch funktionalisierter Hexahydro‐1H‐carbazole by Alpers, Dirk, Gallhof, Malte, Witt, Julian, Hoffmann, Frank, Brasholz, Malte

“…Eine stereoselektive Synthese funktionalisierter Hexahydrocarbazole basiert auf einer neuartigen photoredox‐induzierten desaromatisierenden radikalischen…”
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Arylmigration durch sichtbares Licht unter homolytischer C‐N‐Spaltung in Arylaminen by Alpers, Dirk, Cole, Kevin P., Stephenson, Corey R. J.

“…Die photokatalytische Synthese von aminoalkylierten Heteroaromaten aus Halogenalkylamiden gelingt durch die einer Smiles‐Umlagerung konzeptionell analogen…”
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Formation of the immunogenic alpha 1,3-fucose epitope: Elucidation of substrate specificity and of enzyme mechanism of core fucosyltransferase A by Kotzler, Miriam P, Blank, Simon, Behnken, Henning N, Alpers, Dirk, Bantleon, Frank I, Spillner, Edzard, Meyer, Bernd

“…Glycans of glycoproteins are often associated with IgE mediated allergic immune responses. Hymenoptera venoms, e.g., carry alpha 1,3-fucosyl residues linked to…”
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Formation of the immunogenic α1,3-fucose epitope: Elucidation of substrate specificity and of enzyme mechanism of core fucosyltransferase A by Kötzler, Miriam P, Blank, Simon, Behnken, Henning N, Alpers, Dirk, Bantleon, Frank I, Spillner, Edzard, Meyer, Bernd

“…Glycans of glycoproteins are often associated with IgE mediated allergic immune responses. Hymenoptera venoms, e.g., carry α1,3-fucosyl residues linked to the…”
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Photoredox-induzierte stereoselektive desaromatisierende radikalische (4+2)-Cyclisierungs/1,4-Additions-Kaskade zur Synthese hoch funktionalisierter Hexahydro-1H-carbazole by Alpers, Dirk, Gallhof, Malte, Witt, Julian, Hoffmann, Frank, Brasholz, Malte

“…Eine stereoselektive Synthese funktionalisierter Hexahydrocarbazole basiert auf einer neuartigen photoredox-induzierten desaromatisierenden radikalischen…”
Get full text