Items where Division is "05 Faculty of Science > Departement Chemie > Chemie > Organische Chemie (Sparr)"

2023

Miladinov, Dragan. Toward Divergent Compound Library Synthesis by Cascaded, Heterogeneous Catalysis in Continuous-Flow Microfluidic Reactors. 2023, Doctoral Thesis, University of Basel, Faculty of Science.

Schmidt, Tanno. Catalyst control over three- and fourfold stereogenicity. 2023, Doctoral Thesis, University of Basel, Faculty of Science.

Vogel, Caspar Heinrich. Repurposing MGMT as a kill switch in chemical biology and as a novel mode of action in protein degradation. 2023, Doctoral Thesis, University of Basel, Faculty of Science.

Vornholt, Tobias and Jončev, Zlatko and Sabatino, Valerio and Panke, Sven and Sparr, Christof and Ward, Thomas R. and Jeschek, Markus. (2023) An Artificial Metalloenzyme for Atroposelective Metathesis. ChemCatChem, 15 (23). e202301113.

2022

Boris, Lozhkin. Extending artificial metalloenzymes for the uncaging of drugs on cells. 2022, Doctoral Thesis, University of Basel, Faculty of Science.

Dong, Jianyang and Ostertag, Andreas and Sparr, Christof. (2022) o-Quinodimethane Atropisomers: Enantioselective Synthesis and Stereospecific Transformation. Angewandte Chemie International Edition, 61 (50). e202212627.

Hutskalova, Valeriia and Sparr, Christof. (2022) Synthesis and Applications of Acridinium Salts (Chapter 15.9.4). In: Science of Synthesis: Knowledge Updates, 2022/1. Stuttgart, pp. 1-44.

Hutskalova, Valeriia and Sparr, Christof. (2022) The Versatility of the Aryne-Imine-Aryne Coupling for the Synthesis of Acridinium Photocatalysts. Synlett, 33 (12). pp. 1180-1183.

Jakobi, Markus and Sparr, Christof. (2022) Streamlined Synthesis of Aminoacridinium Photocatalysts with Improved Photostability. Organic process research & development, 26 (9). pp. 2756-2760.

Jakobi, Markus and Zilate, Bouthayna and Sparr, Christof. (2022) Synthesis of Diarylaminoacridinium Photocatalysts by Halogen-Metal Exchange Combined with Directed ortho Metalations. Advanced Synthesis and Catalysis, 364 (19). pp. 3384-3388.

Jončev, Zlatko. Atroposelective Arene-Forming Alkene Metathesis using Small Molecule Catalysts and Artificial Metalloenzymes. 2022, Doctoral Thesis, University of Basel, Faculty of Science.

Jončev, Zlatko and Sparr, Christof. (2022) Atroposelective Arene-Forming Alkene Metathesis. Angewandte Chemie International Edition, 61 (51). e202211168.

Moser, Daniel and Sparr, Christof. (2022) Synthesis of Atropisomeric Two-Axis Systems by the Catalyst-Controlled syn- and anti-Selective Arene-Forming Aldol Condensation. Angewandte Chemie International Edition, 61 (24). e202202548.

Schmidt, Tanno A. and Sparr, Christof. (2022) Photocatalytic deracemisation of cobalt(III) complexes with fourfold stereogenicity. Chemical Communications , 58 (87). pp. 12172-12175.

Wu, Xingxing and Malincik, Juraj and Prescimone, Alessandro and Sparr, Christof. (2022) X-Ray Crystallographic Studies of Quasi-Racemates for Absolute Configuration Determinations. Helvetica Chimica Acta, 105 (11). e202200117.

Wu, Xingxing and Sparr, Christof. (2022) Retrosynthetic polyketide disconnections for unnatural aromatics. Trends in chemistry, 4 (5). pp. 367-370.

Wu, Xingxing and Sparr, Christof. (2022) Stereoselective Synthesis of Atropisomeric Acridinium Salts by the Catalyst-Controlled Cyclization of ortho-Quinone Methide Iminiums. Angewandte Chemie International Edition, 61 (19). e202201424.

2021

Bonrath, W. and Bourgeois, F. and Medlock, J. A. and Sparr, C.. (2021) New Transition Metal Catalyst.

Bonrath, W. and Medlock, J. A. and Schütz, J. and Wellauer, J. and Miladinov, D. and Buchholz, T. and Sparr, C.. (2021) Photooxidation of 2,3,5-Trimethylphenol.

Bonrath, W. and Medlock, J. A. and Schütz, J. and Wellauer, J. and Miladinov, D. and Buchholz, T. and Sparr, C.. (2021) Photooxidation of 2,3,6-Trimethylphenol.

Castrogiovanni, Alessandro. Catalytic Stereodivergent Synthesis of Atropisomeric Multiaxis Systems and their Application in Electron Transfer Studies and Ligand Design. 2021, Doctoral Thesis, University of Basel, Faculty of Science.

Hutskalova, Valeriia and Prescimone, Alessandro and Sparr, Christof. (2021) Synthesis of Helical and Planar Extended-Phenanthridinium Salts. Helvetica Chimica Acta, 104 (12). e2100182.

Hutskalova, Valeriia and Sparr, Christof. (2021) Ad Hoc Adjustment of Photoredox Properties by the Late-Stage Diversification of Acridinium Photocatalysts. Organic letters, 23 (13). pp. 5143-5147.

J. Schütz, J. Wellauer and D. Miladinov, T. Buchholz. (2021) Photooxidation of Phenolic Compounds.

Raps, Felix Calvin. Catalyst Controlled Divergent Transannular Polyketide Cyclizations and Selective Preparation of Stereoisomers with Threefold Stereogenicity. 2021, Doctoral Thesis, University of Basel, Faculty of Science.

Scherrer, Dominik. Silicon-based Plasmonic Surfaces and Flow Microreactors. 2021, Doctoral Thesis, University of Basel, Faculty of Science.

Schmidt, Tanno A. and Sparr, Christof. (2021) Catalyst Control over Twofold and Higher-Order Stereogenicity by Atroposelective Arene Formation. Accounts of Chemical Research, 54 (12). pp. 2764-2774.

Schmidt, Tanno A. and Sparr, Christof. (2021) Catalyst-Controlled Stereoselective Barton-Kellogg Olefination. Angewandte Chemie International Edition, 60 (44). pp. 23911-23916.

Triandafillidi, Ierasia and Kokotou, Maroula G Kokotou and Lotter, Dominik and Sparr, Christof and Kokotos, Christoforos G. (2021) Aldehyde-catalyzed epoxidation of unactivated alkenes with aqueous hydrogen peroxide. Chemical Science, 12 (30). pp. 10191-10196.

Wellauer, Joel and Miladinov, Dragan and Buchholz, Thomas and Schutz, Jan and Stemmler, Rene T. and Medlock, Jonathan A. and Bonrath, Werner and Sparr, Christof. (2021) Organophotocatalytic Aerobic Oxygenation of Phenols in a Visible-Light Continuous-Flow Photoreactor. Chemistry - A European Journal, 27 (38). pp. 9748-9752.

Wu, Xingxing and Witzig, Reto and Beaud, Rodolphe and Fischer, Christian and Häussinger, Daniel and Sparr, Christof. (2021) Catalyst control over sixfold stereogenicity. Nature Catalysis , 4 (6). pp. 457-462.

2020

Bourgeois, Frederic and Medlock, Jonathan A. and Bonrath, Werner and Sparr, Christof . (2020) Catalyst Repurposing Sequential Catalysis by Harnessing Regenerated Prolinamide Organocatalysts as Transfer Hydrogenation Ligands. Organic Letters, 22 (1). pp. 110-115.

Castrogiovanni, Alessandro and Lotter, Dominik and Bissegger, Fabian R. and Sparr, Christof. (2020) JoyaPhos: An Atropisomeric Teraryl Monophosphine Ligand. Chemistry - A European Journal, 26 (44). pp. 9864-9868.

Fischer, Christian and Kerzig, Christoph and Zilate, Bouthayna and Wenger, Oliver S. and Sparr, Christof. (2020) Modulation of Acridinium Organophotoredox Catalysts Guided by Photophysical Studies. ACS Catalysis, 10 (1). pp. 210-215.

Fäseke, Vincent C. and Raps, Felix C. and Sparr, Christof. (2020) Polyketide Cyclizations for the Synthesis of Polyaromatics. Angewandte Chemie (International ed. in English), 59 (18). pp. 6975-6983.

Moser, Daniel and Castrogiovanni, Alessandro and Lotter, Dominik and Witzig, Reto M. and Fäseke, Vincent C. and Raps, Felix C. and Sparr, Christof. (2020) Catalytic Cascade Reactions Inspired by Polyketide Biosynthesis. Chimia, 74 (9). pp. 699-703.

Raps, Felix C. and Fäseke, Vincent C. and Häussinger, Daniel and Sparr, Christof. (2020) Catalyst-Controlled Transannular Polyketide Cyclization Cascades: Selective Folding of Macrocyclic Polyketides. Angewandte Chemie International Edition, 59 (42). pp. 18390-18394.

Raps, Felix C. and Fäseke, Vincent C. and Häussinger, Daniel and Sparr, Christof. (2020) Catalyst‐Controlled Transannular Polyketide Cyclization Cascades: Selective Folding of Macrocyclic Polyketides. Angewandte Chemie, 132 (42). pp. 18548-18552.

Witzig, Reto M. and Sparr, Christof. (2020) Synthesis of Enantioenriched Tetra-ortho-3,3′-substituted Biaryls by Small-Molecule-Catalyzed Noncanonical Polyketide Cyclizations. Synlett, 31 (1). pp. 13-20.

Wu, Xingxing and Witzig, Reto M. and Beaud, Rodolphe and Fischer, Christian and Häussinger, Daniel and Sparr, Christof. (2020) Catalyst-Control over Sixfold Stereogenicity. ChemRxiv. 12213362.v1.

Zilate, Bouthayna. Study of rotationally restricted systems and synthesis of acridinium photocatalysts. 2020, Doctoral Thesis, University of Basel, Faculty of Science.

Zilate, Bouthayna and Fischer, Christian and Sparr, Christof. (2020) Design and application of aminoacridinium organophotoredox catalysts. Chemical Communications , 56 (12). pp. 1767-1775.

2019

Bannwart, Linda Maria. From Structural Beauty to Chemical Fragility: Diacetylene Bridged “Geländer” Oligomers. 2019, Doctoral Thesis, University of Basel, Faculty of Science.

Castrogiovanni, Alessandro and Herr, Patrick and Larsen, Christopher Bryan and Guo, Xingwei and Sparr, Christof and Wenger, Oliver S.. (2019) Shortcuts for Electron-Transfer through the Secondary Structure of Helical Oligo-1,2-Naphthylenes. Chemistry - A European Journal, 25. pp. 16748-16754.

Fäseke, Vincent C.. Atroposelective and transannular catalyst-controlled polyketide cyclizations. 2019, Doctoral Thesis, University of Basel, Faculty of Science.

Jakobi, Markus and Gallou, Fabrice and Sparr, Christof and Parmentier, Michael. (2019) A General Protocol for Robust Sonogashira Reactions in Micellar Medium. Helvetica Chimica Acta, 102 (3). e1900024.

Kaldre, Dainis and Gallou, Fabrice and Sparr, Christof and Parmentier, Michael. (2019) Interface-rich Aqueous Systems for Sustainable Chemical Synthesis. Chimia, 73 (9). pp. 714-719.

Lotter, Dominik. Stereodivergent synthesis of oligo-1,2-naphthylenes and studies towards the total synthesis of naphthacemycin B1. 2019, Doctoral Thesis, University of Basel, Faculty of Science.

Sparr, Christof. (2019) Author Profile. Angewandte Chemie International Edition, 58. p. 944.

Witzig, Reto M. and Fäseke, Vincent C. and Häussinger, Daniel and Sparr, Christof. (2019) Atroposelective synthesis of tetra-ortho-substituted biaryls by catalyst-controlled non-canonical polyketide cyclizations. Nature Catalysis , 2 (10). pp. 925-930.

Witzig, Reto Matthias. Noncanonical polyketide cyclization and stereoselective synthesis of configurationally stable Csp2-Csp3 atropisomers. 2019, Doctoral Thesis, University of Basel, Faculty of Science.

Zilate, Bouthayna and Fischer, Christian and Schneider, Lukas and Sparr, Christof. (2019) Scalable Synthesis of Acridinium Catalysts for Photoredox Deuterations. Synthesis, 51 (23). pp. 4359-4365.

2018

Fischer, Christian. Direct synthesis of arenes and heterocycles from esters and their use as organophotocatalysts. 2018, Doctoral Thesis, University of Basel, Faculty of Science.

Fischer, Christian and Sparr, Christof. (2018) Configurationally Stable Atropisomeric Acridinium Fluorophores. Synlett, 29 (16). pp. 2176-2180.

Fischer, Christian and Sparr, Christof. (2018) Direct Transformation of Esters into Heterocyclic Fluorophores. Angewandte Chemie International Edition, 57 (9). pp. 2436-2440.

Fischer, Christian and Sparr, Christof. (2018) Synthesis of 1,5-Bifunctional Organolithium Reagents by Double Directed ortho-Metalation: Direct Transformation of Esters into 1,8-Dimethoxy-Acridinium Salts. Tetrahedron, 74 (38). pp. 5486-5493.

Link, Achim. 1,5-bifunctional organomagnesium reagents for the direct transformation of esters into arenes. 2018, Doctoral Thesis, University of Basel, Faculty of Science.

Link, Achim and Sparr, Christof. (2018) Remote Central-to-Axial Chirality Conversion: Direct Atroposelective Ester to Biaryl Transformation. Angewandte Chemie International Edition, 57 (24). pp. 7136-7139.

Link, Achim and Sparr, Christof. (2018) Stereoselective Arene-Formation (Review). Chemical Society Reviews, 47 (11). pp. 3804-3815.

Lotter, Dominik and Castrogiovanni, Alessandro and Neuburger, Daniel and Sparr, Christof. (2018) Catalyst-Controlled Stereodivergent Synthesis of Atropisomeric Multi-Axis Systems. ACS Central Science, 4 (5). pp. 656-660.

Lotter, Dominik and Sparr, Christof. (2018) Diaryl Magnesium Lithium Alkoxides Derived from (Z)‐4‐(2‐Bromophenyl)but‐3‐en‐1‐ol. Encyclopedia of Reagents for Organic Synthesis.

Zilate, Bouthayna and Castrogiovanni, Alessandro and Sparr, Christof. (2018) Catalyst-Controlled Stereoselective Synthesis of Atropisomers (Perspective). ACS Catalysis, 8 (4). pp. 2981-2988.

2017

Fäseke, Vincent C. and Witzig, Reto M. and Link, Achim and Lotter, Dominik and Sparr, Christof. (2017) Catalytic Arene-forming Aldol Condensation: Stereoselective Synthesis of Rotationally Restricted Aromatic Compounds. Chimia, 71 (9). pp. 596-599.

Link, Achim and Fischer, Christian and Sparr, Christof. (2017) A 1,5-Bifunctional Organomagnesium Reagent for the Synthesis of Disubstituted Anthracenes and Anthrones. Synthesis, 49 (2). pp. 397-402.

Witzig, Reto M. and Lotter, Dominik and Fäseke, Vincent C. and Sparr, Christof. (2017) Stereoselective Arene-Forming Aldol Condensation: Catalyst-Controlled Synthesis of Axially Chiral Compounds. Chemistry - A European Journal, 23 (53). pp. 12960-12966.

2016

Braeuer, Thomas M. and Zhang, Qi and Tiefenbacher, Konrad. (2016) Iminium Catalysis inside a Self-Assembled Supramolecular Capsule: Modulation of Enantiomeric Excess. Angewandte Chemie International Edition, 55 (27). pp. 7698-7701.

Catti, Lorenzo and Zhang, Qi and Tiefenbacher, Konrad. (2016) Advantages of Catalysis in Self-Assembled Molecular Capsules. Chemistry - A European Journal, 22 (27). pp. 9060-9066.

Fäseke, Vincent C. and Sparr, Christof. (2016) Stereoselective Arene-Forming Aldol Condensation: Synthesis of Axially Chiral Aromatic Amides. Angewandte Chemie International Edition, 55 (25). pp. 7261-7264.

Lotter, Dominik and Neuburger, Markus and Rickhaus, Michel and Häussinger, Daniel and Sparr, Christof. (2016) Stereoselective Arene-Forming Aldol Condensation: Synthesis of Configurationally Stable Oligo-1,2-naphthylenes. Angewandte Chemie International Edition, 55 (8). pp. 2920-2923.

Thamm, Irene and Richers, Johannes and Rychlik, Michael and Tiefenbacher, Konrad. (2016) A six-step total synthesis of α-thujone and d6-α-thujone, enabling facile access to isotopically labelled metabolites. Chemical Communications, 52 (78). pp. 11701-11703.

2015

Link, Achim and Fischer, Christian and Sparr, Christof. (2015) Direct Transformation of Esters into Arenes with 1,5-Bifunctional Organo­magnesium Reagents. Angewandte Chemie International Edition, 54 (41). pp. 12163-12166.

Sparr, Christof. (2015) Scientific Fireworks to Celebrate the 50th Anniversary of the Bürgenstock Conference. Angewandte Chemie International Edition, 54 (30). pp. 8594-8596.