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Photoredox-Enabled Self-(3+2) Cyclization of Vinyldiazo Reagents: Synthesis of Cyclopentenyl α-Diazo Compounds Weiyu Li, Sen Li, Claire Empel, Rene M. Koenigs, Lei Zhou, Angew. Chem. Int. Ed. 2023, e202309947.
Catalytic Olefin Cyclopropanation with In Situ-Generated Dialkyl Diazomethanes via Co(II)-Based Metalloradical Catalysis Bao-Gui Cai, Claire Empel, Sripati Jana, Jun Xuan, Rene M. Koenigs, ACS Catal. 2023, 13, 11851-11856.
Carbene Formation or Reduction of the Diazo Functional Group? An Unexpected Solvent-Dependent Reactivity of Cyclic Diazo Imides Yaseen Hussain, Claire Empel, Rene M. Koenigs, Pankaj Chauhan, Angew. Chem. Int. Ed. 2023, e202309184.
Photoinduced palladium-catalyzed 1,2-difunctionalization of electron-rich olefins via a reductive radical-polar crossover reaction Hao Fang, Claire Empel, Iuliana Atodiresei, Rene M. Koenigs ACS Catal. 2023, 13, 6445-6451.
Polyfunctionalization of vicinal carbon centers and synthesis of unsymmetric 1,2,3,4-tetracarbonyl compounds Luca DeAngelis, Chao Pei, Rene M. Koenigs Michael P. Doyle, Nature Commun. 2023, 14, 1109.
C-H Functionalization of Heterocycles with Triplet Carbenes by means of an Unexpected 1,2-Alkyl Radical Migration Claire Empel, Sripati Jana, Łukasz Ciszewski, Katarzyna Zawada, Chao Pei, Dorota Gryko, Rene M. Koenigs, Chem. Eur. J. 2023, 29, e202300214.
Photochemical Intermolecular Cyclopropanation Reactions of Allylic Alcohols for the Synthesis of [3.1.0]-Bicyclohexanes Chao Pei, Claire Empel, Rene M. Koenigs Org. Lett. 2023, 25, 169-173.
Aryl/aryl Diazoalkanes in Rhodium(II)-Catalyzed Rearrangements of Sulfur Ylides Lennard Kloene, Sripati Jana, Claire Empel, Rene M. Koenigs, Austr. J. Chem. 2023, 76, 25-29.
Intermolecular amination of allenes via 2-fold photocatalytic nitrene transfer reactions Yujing Guo, Claire Empel, Chao Pei, Hao Fang, Sripati Jana, Rene M. Koenigs, Chem Catalysis 2022, 2, 2012-2023.
Dark and Light Reactions of Carbenes - Merging Carbene Transfer Reactions with N-Heterocyclic Carbene Catalysis for the Synthesis of Hydroxamic Acid Esters Bao-Gui Cai, Qian Li, Claire Empel, Lei Li, Rene M. Koenigs, Jun Xuan, ACS Catal. 2022, 12, 11129-11136.
Photochemical synthesis of 1,2,4-triazoles via addition reaction of triplet intermediates to diazoalkanes and azomethine ylide intermediates Baogui Cai, Ye-Peng Bao, Chao Pei, Qian Li, Lei Li, Rene M Koenigs, Jun Xuan, Chem. Sci. 2022, 13, 13141-13146.
Visible-light-mediated amination reactions via nitrene intermediates Claire Empel, Rene M. Koenigs, Chem Catal. 2022, 2, 2506-2512.
Unlocking C-H Functionalization at Room Temperature via a Light-mediated Protodemetalation Reaction Claire Empel, Sripati Jana, Adithyaraj Koodan, Rene M. Koenigs, ACS Catal. 2022, 12, 8229-8236.
Visible-Light-Induced, Sole-Metal-Catalyzed, Directed C–H Functionalization: Metal-Substrate Bound Complexes as Light-Harvesting Agents Chao Pei, Claire Empel, Rene M. Koenigs, Angew. Chem. Int. Ed. 2022, DOI: 10.1002/ange.202201743.
A combined experimental and theoretical study on the reactivity of nitrenes and nitrene radical anions Yujing Guo, Chao Pei, Rene M. Koenigs, Nature Commun. 2022, 13, 86.highlighted in: Nat. Comput. Sci. 2022, DOI: 10.1038/s43588-022-00207-2
Hydrogen Bonding Networks Enable Brønsted Acid-Catalyzed Carbonyl-Olefin Metathesis Tuong A. To, Chao Pei, Rene M. Koenigs,* Thanh V. Nguyen,* Angew. Chem. Int. Ed. 2022, 61, e202117366.
Photocatalytic gem-Difluoroolefination Reactions by a Formal C‑C Coupling/Defluorination Reaction with Diazoacetates Fang Li, Chao Pei, Rene M. Koenigs, Angew. Chem. Int. Ed. 2022, 61, e202111892.
Rhodium-Catalyzed C-H Methylation and Alkylation Reactions via Carbene Transfer Reactions Claire Empel, Sripati Jana, Tim Langletz, Rene M. Koenigs, Chem. Eur. J. 2022, 28, e202104321.
Photochemical Nitrene Transfer Reactions of Iminoiodinanes with Sulfides Yujing Guo, Chao Pei, Claire Empel, Sripati Jana, Rene M. Koenigs, ChemPhotoChem 2022, 6, e202100293.
Unlocking novel reaction pathways of diazoalkanes with visible light Claire Empel, Chao Pei, Rene M. Koenigs, Chem. Commun. 2022, 58, 2788-2798.
Proton or Carbene Transfer? On the Dark and Light Reaction of Diazoalkanes with Alcohols Claire Empel, Chao Pei, Feifei He, Sripati Jana, Rene M. Koenigs, Chem. Eur. J. 2022, 28, e202104397.
Enabling Cyclopropanation Reactions of Imidazole Heterocycles via Chemoselective Photochemical Carbene Transfer Reactions of NHC-Boranes Ze-Le Chen, Claire Empel, Kun Wang, Pan-Pan Wu, Bao-Gui Cai, Lei Li, Rene M. Koenigs*, and Jun Xuan*, Org. Lett. 2022, 24, 2232-2237.
A Computational Study on the Photochemical O–H Functionalization of Alcohols with Diazoacetates Chao Pei, Rene M. Koenigs, J. Org. Chem. 2022, 87, 6832-6837.
Photocatalytic 1,2-oxo-alkylation reaction of styrenes with diazoacetates Fang Li, Siqi Zhu, Rene M. Koenigs, Chem. Commun. 2022, 10.1039/d2cc02414d.
Stereoconvergent, photocatalytic cyclopropanation reactions of β-substituted styrenes with ethyl diazoacetate Tim Langletz, Claire Empel, Sripati Jana, Rene M. Koenigs, Tetrahedron Chem 2022, 3, 100024.
Photochemical palladium-catalyzed methylation and alkylation reactions in cascade reactions of isonitriles Chao Pei, Zhen Yang, Rene M. Koenigs, Tetrahedron 2022, 123, 132939.
More details on Diazoolefins Claire Empel, Rene M. Koenigs, Nature Chem. 2021, 13, 1030-1032.
Advances in [1,2]-Sigmatropic Rearrangements of Onium Ylides via Carbene Transfer Reactions Claire Empel, Sripati Jana, Rene M. Koenigs, Synthesis 2021, 53, 4567-4587.
Silver-Catalyzed N–H Functionalization of Aryl/Aryl Diazoalkanes with Anilines Feifei He, Claire Empel, Rene M. Koenigs, Org. Lett. 2021, 23, 6719-6723.
Borane-Catalyzed Carbazolation Reactions of Aryldiazoacetates Feifei He, Rene M. Koenigs, Org. Lett. 2021, 23, 5831-5835.
1,3-Difunctionalization of Imino-Carbenes via Rhodium-Catalyzed Reactions of Triazoles with Acyl Selenides Fang Li, Chao Pei, Calogero Quaranta, Rene M. Koenigs, Adv. Synth. Catal. 2021, 363, 4365-4370.
Photoinduced ruthenium-catalyzed alkyl-alkyl cross-coupling reactions Sripati Jana, Chao Pei, Srishti Ballabh Bahukhandi, Rene M. Koenigs, Chem Catalysis 2021, 1, 467-479.
Catalyst-Controlled Site-Selective N-H and C3-Arylation of Carba-zole via Carbene Transfer Reactions Sourav Sekhar Bera, Sristhi Ballabh Bahukhandi, Claire Empel, Rene M. Koenigs, Chem. Commun. 2021, 57, 6193-6196.
Photochemical Carbene Transfer Reactions of Aryl/Aryl Diazoalkanes – Experiment and Theory Sripati Jana,# Chao Pei,# Claire Empel, Rene M. Koenigs, Angew. Chem. Int. Ed. 2021, 60, 13271-13279; Angew. Chem. 2021, 133, 13380-13389; previously: ChemRxiv, DOI: 10.26434/chemrxiv.13159994.v1.
Rhodium-catalyzed Cascade Reactions of Triazoles with Organoselenium Compounds – A Combined Experimental and Mechanistic Study Fang Li, Chao Pei, Rene M. Koenigs, Chem. Sci. 2021, 12, 6362-6369.
Synthesis of Trifluoromethylated Aziridines via Photocatalytic Amination Reaction Yujing Guo, Chao Pei, Sripati Jana, Rene M. Koenigs, ACS Catal. 2021, 11, 337-342.
Tropylium-Catalyzed O-H Insertion Reactions of Diazoalkanes with Carboxylic Acids Claire Empel, Thanh V. Nguyen, Rene M. Koenigs, Org. Lett. 2021, 23, 548-553.
Photoinduced Palladium-Catalyzed Dicarbofunctionalization of Terminal Alkynes Zhen Yang, Rene M. Koenigs, Chem. Eur. J. 2021, 27, 3694-3699.
Multi C-H Functionalization Reactions of Carbazole Heterocycles via Gold-Catalyzed Carbene Transfer Reactions Sripati Jana, Claire Empel, Thanh V. Nguyen, Rene M. Koenigs, Chem. Eur. J. 2021, 27, 2628-2632.
Brønsted acid‐catalyzed Reactions of Unprotected N‐heterocycles with Aryl/Aryl Diazoalkanes Srishti B. Bahukhandi, Sripati Jana, Rene M. Koenigs, Asian J. Org. Chem. 2021, 10, 571-575.
Recent Perspectives on Rearrangement Reactions of Ylides via Carbene Transfer Reactions Sripati Jana, Yujing Guo, Rene M. Koenigs, Chem. Eur. J. 2021, 27, 1270-1281.
Tropolonate Salts as Acyl Transfer Catalysts under Thermal and Photochemical Conditions: Reaction Scope and Mechanistic Insights Demelza J. M. Lyons, Claire Empel, Domenic P. Pace, An H. Dinh, Binh Khanh Mai, Rene M. Koenigs,Thanh V. Nguyen, ACS Catal. 2020, 10, 12596-12606.
Gold-catalyzed C-H Functionalization of Phenothiazines with Aryldiazoacetates Sripati Jana, Claire Empel, Chao Pei, Thanh V. Nguyen, Rene M. Koenigs, Adv. Synth. Catal. 2020, 362, 5721-5727.
C-H Functionalization Reactions of Unprotected N-Heterocycles by Gold-Catalyzed Carbene Transfer Sripati Jana, Claire Empel, Chao Pei, Polina Aseeva, Thanh V. Nguyen, Rene M. Koenigs, ACS Catal. 2020, 10, 9925-9931.
Synthesis of Trifluoromethylated Tetrasubstituted Allenes via Palladium-catalyzed Carbene Transfer Reaction Chao Pei, Zhen Yang, Rene M. Koenigs, Org. Lett. 2020, 22, 7300-7304.
Photochemical O-H Functionalization of Aryldiazoacetates with Phenols via Proton Transfer Claire Empel, Sripati Jana, Chao Pei, T. Vinh Nguyen, Rene M. Koenigs, Org. Lett. 2020, 22, 7225-7229.
Access to Gem-Difluoro Olefins via C-H Functionalization and Dual Role of Anilines Zhen Yang, Chao Pei, Rene M. Koenigs, Org. Lett. 2020, 22, 7234-7238.
Gold-Catalyzed Sigmatropic Rearrangement Reactions via Carbene Transfer Reactions Feifei He, Sripati Jana, Rene M. Koenigs, J. Org. Chem. 2020, 85, 11882-11891.
Photochemical O-H Functionalization Reactions of Cyclic Diazoamides Claire Empel, Dennis Verspeek, Sripati Jana, Rene M. Koenigs, Adv. Synth. Catal. 2020, 362, 4716-4722.
Visible Light-Promoted Reactions with Diazo Compounds: A Mild and Practical Strategy towards Free Carbene Intermediates Zhen Yang,# Mateus L. Stivanin,# Igor D. Jurberg, Rene M. Koenigs, Chem. Soc. Rev. 2020, 49, 6833-6847.
Rhodium-Catalyzed Enamine Homologation of Sulfides with Triazoles as Carbene Precursor Fang Li, Chao Pei, Rene M. Koenigs, Org. Lett. 2020, 22, 6816-6821.
Photochemical Cyclopropanation of Cyclooctatetraene and (Poly-) unsaturated Carbocycles Yujing Guo,# Claire Empel,# Chao Pei, Iuliana Atodiresei, Thomas Fallon, Rene M. Koenigs, Org. Lett. 2020, 22, 5126-5130.
Gold-Catalyzed Carbazolation Reactions of Alkynes Sripati Jana, Feifei He, Rene M. Koenigs, Org. Lett. 2020, 22, 4873-4877.