Veröffentlichungen "Empel, Claire"

Artikel in einer Zeitschrift

Senapati, Sudip ; Kumar Hota, Sudhir ; Kloene, Lennard ; Empel, Claire ; Murarka, Sandip ; Koenigs, Rene M.:
C−H Alkylation of Heterocycles via Light‐Mediated Palladium Catalysis.
In: Angewandte Chemie International Edition. Bd. 64 (2025) . - e202417107.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202417107

Hussain, Yaseen ; Sliusarevskyi, Ivan ; Empel, Claire ; Rueping, Magnus ; Koenigs, Rene M.:
Electrochemical S-vinylation of sulfinamides with β-bromostyrenes.
In: Chemical Communications. Bd. 61 (2025) . - S. 11017-11020.
ISSN 1359-7345
DOI: https://doi.org/10.1039/d5cc02045j

Chen, Ze-Le ; Empel, Claire ; Xie, Yang ; Koenigs, Rene M. ; Xuan, Jun:
Photocatalytic Direct Borylation of Benzothiazole Heterocycles via a Triplet Activation Strategy.
In: Organic Letters. Bd. 27 (2025) . - S. 892-897.
ISSN 1523-7052
DOI: https://doi.org/10.1021/acs.orglett.4c04667

Hussain, Yaseen ; R., Prasanna ; Empel, Claire ; Sharma, Deepak ; Kloene, Lennard ; Zhu, W. Felix ; Kaiser, Astrid ; Weizel, Lilia ; Proschak, Ewgenij ; Koenigs, Rene M. ; Chauhan, Pankaj:
A Photochemical Strategy towards Michael Addition Reactions of Cyclopropenes.
In: Angewandte Chemie International Edition. Bd. 64 (2025) . - e202416956.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202416956

Singh, Shashank ; Kundu, Arindam ; Empel, Claire ; Koenigs, Rene M. ; Singh, Ravi P.:
A radical approach towards polarity-reversed para-substitution of electron-deficient arenes.
In: Chemical Communications. Bd. 61 (2025) . - S. 3888-3891.
ISSN 1364-548X
DOI: https://doi.org/10.1039/D4CC04914D

Biswas, Soumen ; Empel, Claire ; Sanchez-Palestino, Luis Mario ; Arman, Hadi ; Koenigs, Rene M. ; Doyle, Michael P.:
Denitrogenative dismantling of heteroaromatics by nucleophilic substitution reactions with diazomethyl compounds.
In: Chemical Science. Bd. 15 (2024) . - S. 11065-11071.
ISSN 2041-6539
DOI: https://doi.org/10.1039/D4SC01578A

Zhu, W. Felix ; Franz, Hanna M. ; Krämer, Andreas ; Duman, Emre ; Empel, Claire ; Göbel, Michael W. ; Koenigs, Rene M. ; Knapp, Stefan ; Hiesinger, Kerstin ; Proschak, Ewgenij ; Hernandez-Olmos, Victor:
Oxadiazolone-Based Aromatic Annulations : A Nitrenoid Precursor for Tricyclic Aminoheterocycles.
In: The Journal of Organic Chemistry. Bd. 89 (2024) . - S. 15542-15552.
ISSN 1520-6904
DOI: https://doi.org/10.1021/acs.joc.4c01622

Zhu, W. Felix ; Empel, Claire ; Pelliccia, Sveva ; Koenigs, Rene M. ; Proschak, Ewgenij ; Hernandez-Olmos, Victor:
Photochemistry in Medicinal Chemistry and Chemical Biology.
In: Journal of Medicinal Chemistry. Bd. 67 (2024) . - S. 4322-4345.
ISSN 1520-4804
DOI: https://doi.org/10.1021/acs.jmedchem.3c02109

Li, Fang ; Zhu, W. Felix ; Empel, Claire ; Datsenko, Oleksandr ; Kumar, Adarsh ; Xu, Yameng ; Ehrler, Johanna H. M. ; Atodiresei, Iuliana ; Knapp, Stefan ; Mykhailiuk, Pavel K. ; Proschak, Ewgenij ; Koenigs, Rene M.:
Photosensitization enables Pauson-Khand–type reactions with nitrenes.
In: Science. Bd. 383 (2024) . - S. 498-503.
ISSN 1095-9203
DOI: https://doi.org/10.1126/science.adm8095

Empel, Claire ; Pham, Quoc Hoang ; Koenigs, Rene M.:
Spin States Matter : from Fundamentals toward Synthetic Methodology Development and Drug Discovery.
In: Accounts of Chemical Research. Bd. 57 (2024) . - S. 2717-2727.
ISSN 0001-4842
DOI: https://doi.org/10.1021/acs.accounts.4c00405

Empel, Claire ; Fetzer, Marcus N. A. ; Sasmal, Suman ; Strothmann, Till ; Janiak, Christoph ; Koenigs, Rene M.:
Unlocking catalytic potential : a rhodium(ii)-based coordination polymer for efficient carbene transfer reactions with donor/acceptor diazoalkanes.
In: Chemical Communications. Bd. 60 (2024) . - S. 7327-7330.
ISSN 1364-548X
DOI: https://doi.org/10.1039/D4CC01386G

Kloene, Lennard ; Jana, Sripati ; Empel, Claire ; Koenigs, Rene M.:
Aryl/aryl diazoalkanes in rhodium(II)-catalyzed rearrangements of sulfur ylides.
In: Australian Journal of Chemistry. Bd. 76 (2023) . - S. 25-29.
ISSN 1445-0038
DOI: https://doi.org/10.1071/CH22168

Cai, Bao‐Gui ; Empel, Claire ; Yao, Wei‐Zhong ; Koenigs, Rene M. ; Xuan, Jun:
Azoxy Compounds : From Synthesis to Reagents for Azoxy Group Transfer Reactions.
In: Angewandte Chemie International Edition. Bd. 62 (2023) . - e202312031.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202312031

Empel, Claire ; Jana, Sripati ; Ciszewski, Łukasz W. ; Zawada, Katarzyna ; Pei, Chao ; Gryko, Dorota ; Koenigs, Rene M.:
C−H Functionalization of Heterocycles with Triplet Carbenes by means of an Unexpected 1,2‐Alkyl Radical Migration.
In: Chemistry : a European Journal. Bd. 29 (2023) . - e202300214.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.202300214

Hussain, Yaseen ; Empel, Claire ; Koenigs, Rene M. ; Chauhan, Pankaj:
Carbene Formation or Reduction of the Diazo Functional Group? An Unexpected Solvent‐Dependent Reactivity of Cyclic Diazo Imides.
In: Angewandte Chemie International Edition. Bd. 62 (2023) . - e202309184.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202309184

Cai, Bao-Gui ; Empel, Claire ; Jana, Sripati ; Xuan, Jun ; Koenigs, Rene M.:
Catalytic Olefin Cyclopropanation with In Situ-Generated Dialkyl Diazomethanes via Co(II)-Based Metalloradical Catalysis.
In: ACS Catalysis. Bd. 13 (2023) . - S. 11851-11856.
ISSN 2155-5435
DOI: https://doi.org/10.1021/acscatal.3c02468

Pei, Chao ; Empel, Claire ; Koenigs, Rene M.:
Photochemical Intermolecular Cyclopropanation Reactions of Allylic Alcohols for the Synthesis of [3.1.0]-Bicyclohexanes.
In: Organic Letters. Bd. 25 (2023) . - S. 169-173.
ISSN 1523-7052
DOI: https://doi.org/10.1021/acs.orglett.2c04010

Fang, Hao ; Empel, Claire ; Atodiresei, Iuliana ; Koenigs, Rene M.:
Photoinduced Palladium-Catalyzed 1,2-Difunctionalization of Electron-Rich Olefins via a Reductive Radical-Polar Crossover Reaction.
In: ACS Catalysis. Bd. 13 (2023) . - S. 6445-6451.
ISSN 2155-5435
DOI: https://doi.org/10.1021/acscatal.3c00938

Li, Weiyu ; Li, Sen ; Empel, Claire ; Koenigs, Rene M. ; Zhou, Lei:
Photoredox‐Enabled Self‐(3+2) Cyclization of Vinyldiazo Reagents: Synthesis of Cyclopentenyl α‐Diazo Compounds.
In: Angewandte Chemie International Edition. Bd. 62 (2023) . - e202309947.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202309947

Cai, Bao-Gui ; Li, Qian ; Empel, Claire ; Li, Lei ; Koenigs, Rene M. ; Xuan, Jun:
Dark and Light Reactions of Carbenes : Merging Carbene Transfer Reactions with N-Heterocyclic Carbene Catalysis for the Synthesis of Hydroxamic Acid Esters.
In: ACS Catalysis. Bd. 12 (2022) . - S. 11129-11136.
ISSN 2155-5435
DOI: https://doi.org/10.1021/acscatal.2c02875

Chen, Ze-Le ; Empel, Claire ; Wang, Kun ; Wu, Pan-Pan ; Cai, Bao-Gui ; Li, Lei ; Koenigs, Rene M. ; Xuan, Jun:
Enabling Cyclopropanation Reactions of Imidazole Heterocycles via Chemoselective Photochemical Carbene Transfer Reactions of NHC-Boranes.
In: Organic Letters. Bd. 24 (2022) . - S. 2232-2237.
ISSN 1523-7052
DOI: https://doi.org/10.1021/acs.orglett.2c00609

Zhu, Siqi ; Li, Fang ; Empel, Claire ; Jana, Sripati ; Pei, Chao ; Koenigs, Rene M.:
Furan Synthesis via Triplet Sensitization of Acceptor/Acceptor Diazoalkanes.
In: Advanced Synthesis & Catalysis. Bd. 364 (2022) . - S. 3149-3154.
ISSN 1615-4169
DOI: https://doi.org/10.1002/adsc.202200654

Zhao, Yue ; Empel, Claire ; Liang, Wenjing ; Koenigs, Rene M. ; Patureau, Frederic W.:
Gem-Difluoroallylation of Aryl Sulfonium Salts.
In: Organic Letters. Bd. 24 (2022) . - S. 8753-8758.
ISSN 1523-7052
DOI: https://doi.org/10.1021/acs.orglett.2c03419

Guo, Yujing ; Empel, Claire ; Pei, Chao ; Fang, Hao ; Jana, Sripati ; Koenigs, Rene M.:
Intermolecular amination of allenes via 2-fold photocatalytic nitrene transfer reactions.
In: Chem Catalysis. Bd. 2 (2022) . - S. 2012-2023.
ISSN 2667-1093
DOI: https://doi.org/10.1016/j.checat.2022.05.014

Guo, Yujing ; Pei, Chao ; Empel, Claire ; Jana, Sripati ; Koenigs, Rene M.:
Photochemical Nitrene Transfer Reactions of Iminoiodinanes with Sulfides.
In: ChemPhotoChem. Bd. 6 (2022) . - e202100293.
ISSN 2367-0932
DOI: https://doi.org/10.1002/cptc.202100293

Empel, Claire ; Pei, Chao ; He, Feifei ; Jana, Sripati ; Koenigs, Rene M.:
Proton or Carbene Transfer? On the Dark and Light Reaction of Diazoalkanes with Alcohols.
In: Chemistry : a European Journal. Bd. 28 (2022) . - e202104397.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.202104397

Empel, Claire ; Jana, Sripati ; Langletz, Tim ; Koenigs, Rene M.:
Rhodium‐Catalyzed C−H Methylation and Alkylation Reactions by Carbene‐Transfer Reactions.
In: Chemistry : a European Journal. Bd. 28 (2022) . - e202104321.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.202104321

Langletz, Tim ; Empel, Claire ; Jana, Sripati ; Koenigs, Rene M.:
Stereoconvergent, photocatalytic cyclopropanation reactions of β-substituted styrenes with ethyl diazoacetate.
In: Tetrahedron Chem. Bd. 3 (2022) . - 100024.
ISSN 2666-951X
DOI: https://doi.org/10.1016/j.tchem.2022.100024

Empel, Claire ; Jana, Sripati ; Koodan, Adithyaraj ; Koenigs, Rene M.:
Unlocking C–H Functionalization at Room Temperature via a Light-Mediated Protodemetalation Reaction.
In: ACS Catalysis. Bd. 12 (2022) . - S. 8229-8236.
ISSN 2155-5435
DOI: https://doi.org/10.1021/acscatal.2c01267

Empel, Claire ; Pei, Chao ; Koenigs, Rene M.:
Unlocking novel reaction pathways of diazoalkanes with visible light.
In: Chemical Communications. Bd. 58 (2022) . - S. 2788-2798.
ISSN 1364-548X
DOI: https://doi.org/10.1039/D1CC06521A

Pei, Chao ; Empel, Claire ; Koenigs, Rene M.:
Visible‐Light‐Induced, Single‐Metal‐Catalyzed, Directed C−H Functionalization : Metal‐Substrate‐Bound Complexes as Light‐Harvesting Agents.
In: Angewandte Chemie International Edition. Bd. 61 (2022) . - e202201743.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202201743

Empel, Claire ; Koenigs, Rene M.:
Visible-light-mediated amination reactions via nitrene intermediates.
In: Chem Catalysis. Bd. 2 (2022) . - S. 2506-2514.
ISSN 2667-1093
DOI: https://doi.org/10.1016/j.checat.2022.09.008

Empel, Claire ; Jana, Sripati ; Koenigs, Rene M.:
Advances in [1,2]-Sigmatropic Rearrangements of Onium Ylides via Carbene Transfer Reactions.
In: Synthesis. Bd. 53 (2021) . - S. 4567-4587.
ISSN 0039-7881
DOI: https://doi.org/10.1055/a-1577-5864

Bera, Sourav Sekhar ; Bahukhandi, Srishti Ballabh ; Empel, Claire ; Koenigs, Rene M.:
Catalyst-controlled site-selective N–H and C3-arylation of carbazole via carbene transfer reactions.
In: Chemical Communications. Bd. 57 (2021) . - S. 6193-6196.
ISSN 1364-548X
DOI: https://doi.org/10.1039/D1CC01863A

Empel, Claire ; Koenigs, Rene M.:
More details on diazoolefins.
In: Nature Chemistry. Bd. 13 (2021) . - S. 1030-1032.
ISSN 1755-4349
DOI: https://doi.org/10.1038/s41557-021-00811-1

Jana, Sripati ; Empel, Claire ; Nguyen, Thanh Vinh ; Koenigs, Rene M.:
Multi C−H Functionalization Reactions of Carbazole Heterocycles via Gold‐Catalyzed Carbene Transfer Reactions.
In: Chemistry : a European Journal. Bd. 27 (2021) . - S. 2628-2632.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.202004724

Jana, Sripati ; Pei, Chao ; Empel, Claire ; Koenigs, Rene M.:
Photochemical Carbene Transfer Reactions of Aryl/Aryl Diazoalkanes : Experiment and Theory.
In: Angewandte Chemie International Edition. Bd. 60 (2021) . - S. 13271-13279.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202100299

Jana, Sripati ; Pei, Chao ; Empel, Claire ; Koenigs, Rene M.:
Photochemische Carbentransferreaktionen von Aryl/Aryldiazoalkanen : Experiment und Theorie.
In: Angewandte Chemie. Bd. 133 (2021) . - S. 13380-13389.
ISSN 1521-3757
DOI: https://doi.org/10.1002/ange.202100299

He, Feifei ; Empel, Claire ; Koenigs, Rene M.:
Silver-Catalyzed N–H Functionalization of Aryl/Aryl Diazoalkanes with Anilines.
In: Organic Letters. Bd. 23 (2021) . - S. 6719-6723.
ISSN 1523-7052
DOI: https://doi.org/10.1021/acs.orglett.1c02289

Empel, Claire ; Nguyen, Thanh Vinh ; Koenigs, Rene M.:
Tropylium-Catalyzed O–H Insertion Reactions of Diazoalkanes with Carboxylic Acids.
In: Organic Letters. Bd. 23 (2021) . - S. 548-553.
ISSN 1523-7052
DOI: https://doi.org/10.1021/acs.orglett.0c04069

Jana, Sripati ; Empel, Claire ; Pei, Chao ; Aseeva, Polina ; Nguyen, Thanh V. ; Koenigs, Rene M.:
C–H Functionalization Reactions of Unprotected N-Heterocycles by Gold-Catalyzed Carbene Transfer.
In: ACS Catalysis. Bd. 10 (2020) . - S. 9925-9931.
ISSN 2155-5435
DOI: https://doi.org/10.1021/acscatal.0c02230

Empel, Claire ; Jana, Sripati ; Koenigs, Rene M.:
C-H Functionalization via Iron-Catalyzed Carbene-Transfer Reactions.
In: Molecules. Bd. 25 (2020) . - 880.
ISSN 1420-3049
DOI: https://doi.org/10.3390/molecules25040880

Tran, Uyen P. N. ; Hommelsheim, Renè ; Yang, Zhen ; Empel, Claire ; Hock, Katharina J. ; Nguyen, Thanh V. ; Koenigs, Rene M.:
Catalytic Synthesis of Trifluoromethyl Cyclopropenes and Oligo‐Cyclopropenes.
In: Chemistry : a European Journal. Bd. 26 (2020) . - S. 1254-1257.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.201904680

Empel, Claire ; Koenigs, Rene M.:
Continuous-flow photochemical carbene transfer reactions.
In: Journal of Flow Chemistry. Bd. 10 (2020) . - S. 157-160.
ISSN 2063-0212
DOI: https://doi.org/10.1007/s41981-019-00054-9

Jana, Sripati ; Empel, Claire ; Pei, Chao ; Nguyen, Thanh Vinh ; Koenigs, Rene M.:
Gold‐catalyzed C−H Functionalization of Phenothiazines with Aryldiazoacetates.
In: Advanced Synthesis & Catalysis. Bd. 362 (2020) . - S. 5721-5727.
ISSN 1615-4169
DOI: https://doi.org/10.1002/adsc.202000962

Guo, Yujing ; Empel, Claire ; Pei, Chao ; Atodiresei, Iuliana ; Fallon, Thomas ; Koenigs, Rene M.:
Photochemical Cyclopropanation of Cyclooctatetraene and (Poly-)unsaturated Carbocycles.
In: Organic Letters. Bd. 22 (2020) . - S. 5126-5130.
ISSN 1523-7052
DOI: https://doi.org/10.1021/acs.orglett.0c01734

Empel, Claire ; Jana, Sripati ; Pei, Chao ; Nguyen, Thanh Vinh ; Koenigs, Rene M.:
Photochemical O–H Functionalization of Aryldiazoacetates with Phenols via Proton Transfer.
In: Organic Letters. Bd. 22 (2020) . - S. 7225-7229.
ISSN 1523-7052
DOI: https://doi.org/10.1021/acs.orglett.0c02564

Empel, Claire ; Verspeek, Dennis ; Jana, Sripati ; Koenigs, Rene M.:
Photochemical O−H Functionalization Reactions of Cyclic Diazoamides.
In: Advanced Synthesis & Catalysis. Bd. 362 (2020) . - S. 4716-4722.
ISSN 1615-4169
DOI: https://doi.org/10.1002/adsc.202000818

Jana, Sripati ; Yang, Zhen ; Li, Fang ; Empel, Claire ; Ho, Junming ; Koenigs, Rene M.:
Photoinduced Proton‐Transfer Reactions for Mild O‐H Functionalization of Unreactive Alcohols.
In: Angewandte Chemie International Edition. Bd. 59 (2020) . - S. 5562-5566.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.201915161

Jana, Sripati ; Yang, Zhen ; Li, Fang ; Empel, Claire ; Ho, Junming ; Koenigs, Rene M.:
Photoinduzierte Protonentransferreaktionen für milde O‐H‐Funktionalisierungsreaktionen unreaktiver Alkohole.
In: Angewandte Chemie. Bd. 132 (2020) . - S. 5608-5613.
ISSN 1521-3757
DOI: https://doi.org/10.1002/ange.201915161

Jana, Sripati ; Li, Fang ; Empel, Claire ; Verspeek, Dennis ; Aseeva, Polina ; Koenigs, Rene M.:
Stoichiometric Photochemical Carbene Transfer by Bamford–Stevens Reaction.
In: Chemistry : a European Journal. Bd. 26 (2020) . - S. 2586-2591.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.201904994

Lyons, Demelza J. M. ; Empel, Claire ; Pace, Domenic P. ; Dinh, An H. ; Mai, Binh Khanh ; Koenigs, Rene M. ; Nguyen, Thanh Vinh:
Tropolonate Salts as Acyl-Transfer Catalysts under Thermal and Photochemical Conditions: Reaction Scope and Mechanistic Insights.
In: ACS Catalysis. Bd. 10 (2020) . - S. 12596-12606.
ISSN 2155-5435
DOI: https://doi.org/10.1021/acscatal.0c03702

Empel, Claire ; Koenigs, Rene M.:
Artificial‐Intelligence‐Driven Organic Synthesis : En Route towards Autonomous Synthesis?
In: Angewandte Chemie International Edition. Bd. 58 (2019) . - S. 17114-17116.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.201911062

Hommelsheim, Renè ; Guo, Yujing ; Yang, Zhen ; Empel, Claire ; Koenigs, Rene M.:
Blue‐Light‐Induced Carbene‐Transfer Reactions of Diazoalkanes.
In: Angewandte Chemie International Edition. Bd. 58 (2019) . - S. 1203-1207.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.201811991

Empel, Claire ; Hock, Katharina J. ; Koenigs, Rene M.:
Dealkylative intercepted rearrangement reactions of sulfur ylides.
In: Chemical Communications. Bd. 55 (2019) . - S. 338-341.
ISSN 1364-548X
DOI: https://doi.org/10.1039/C8CC08821G

Hommelsheim, Renè ; Guo, Yujing ; Yang, Zhen ; Empel, Claire ; Koenigs, Rene M.:
Durch blaues Licht induzierte Carbentransferreaktionen von Diazoalkanen.
In: Angewandte Chemie. Bd. 131 (2019) . - S. 1216-1220.
ISSN 1521-3757
DOI: https://doi.org/10.1002/ange.201811991

Empel, Claire ; Koenigs, Rene M.:
Künstliche Intelligenz in der organischen Synthese – en route zu autonomer Synthese?
In: Angewandte Chemie. Bd. 131 (2019) . - S. 17272-17274.
ISSN 1521-3757
DOI: https://doi.org/10.1002/ange.201911062

Empel, Claire ; Koenigs, Rene M.:
Sustainable Carbene Transfer Reactions with Iron and Light.
In: Synlett. Bd. 30 (2019) . - S. 1929-1934.
ISSN 1437-2096
DOI: https://doi.org/10.1055/s-0037-1611874

Empel, Claire ; Patureau, Frederic W. ; Koenigs, Rene M.:
Visible Light Induced Metal-Free Carbene N-Carbazolation.
In: The Journal of Organic Chemistry. Bd. 84 (2019) . - S. 11316-11322.
ISSN 1520-6904
DOI: https://doi.org/10.1021/acs.joc.9b01753

Empel, Claire ; Hock, Katharina J. ; Koenigs, Rene M.:
Iron-catalysed carbene-transfer reactions of diazo acetonitrile.
In: Organic & Biomolecular Chemistry. Bd. 16 (2018) . - S. 7129-7133.
ISSN 1477-0539
DOI: https://doi.org/10.1039/C8OB01991F