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Items where contributor is "Sparr, Christof"

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2021

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

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.

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.

2020

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.

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.

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

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.

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.

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.

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.

2019

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.

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

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.

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.

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

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.

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

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.

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.

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.

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

2017

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.

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.

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

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.

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.

2015

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

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.

2014

Link, Achim and Sparr, Christof. (2014) Organocatalytic Atroposelective Aldol Condensation: Synthesis of Axially Chiral Biaryls by Arene Formation. Angewandte Chemie International Edition, 53 (21). pp. 5458-5461.