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Sohi, T. H. H.; Maass, F.; Czekelius, C.; Vasylyeva, V., “A Comparison Study of Roseolumiflavin Solvates: Structural and Energetic Perspective on Their Stability”, Crystals, 2023, 13, 5012.

Link: 10.3390/cryst13101512

Secker, C.; Motzny, A. Y.; Kostova, S.; Buntru, A.; Helmecke, L.; Reus, L.; Steinfort, R.; Brusendorf, L.; Boeddrich, A.; Neuendorf, N.; Diez, L.; Schmieder, P.; Schulz, A.; Czekelius, C.; Wanker, E. E., „The polyphenol EGCG directly targets intracellular amyloid-β aggregates and promotes their lysosomal degradation”, J. Neurochem., 2023, 166, 294-317.

Link: 10.1111/jnc.15842

Festersen, L.; Czekelius, C., "Photocatalytic Cascade Cyclization of Aryl Haloalkynyl Ketones Forming Cyclopenta[b]naphthalene Derivatives", Org. Lett., 2023, 25, 3553-3558.

Link: 10.1021/acs.orglett.3c01197

Kubitz, M. K.; Haselbach, W.; Sretenovic, D.; Bracker, M.; Kleinschmidt, M.; Kühnemuth, R.; Seidel, C. A. M.; Gilch, P.; Czekelius, C., "Increasing the Fluorescence Quantum Yield and Lifetime of the Flavin Chromophore by Rational Design", ChemPhotoChem, 2023, e202200334.

Link: https://doi.org/10.1002/cptc.202200334

Püschel, D.; Héde, S.; Maisuls, I.; Höfert, S.-P.; Woschko, D.; Kühnemuth, R.; Felekyan, S.; Seidel, C. A. M.; Czekelius, C.; Weingart, O.; Strassert, C. A.; Janiak, C., "Enhanced solid-state fluorescence of flavin derivatives by incorporation in the metal-organic frameworks MIL-53(AI) and MOF-5", Molecules 202328, 2877.

Link: https://doi.org/10.3390/molecules28062877

Sohi, T. H. H.; Maass, F.; Czekelius, C.; Suta, M.; Vasylyeva, V., "Co-crystallization of the organic chromophore roseolumiflavin and the effect on its optical characteristics", CrystEngComm 202224, 7315-7325.

Link: https://doi.org/10.1039/D2CE00589A

Bracker, M.; Kubitz, M. K.; Czekelius, C.; Marian, C. M.; Kleinschmidt, M., "Computer-Aided Design of Fluorinated Flavin Derivatives by Modulation of Intersystem Crossing and Fluorescence", ChemPhotoChem 20226, e202200040.

Link: https://doi.org/10.1002/cptc.202200040

Yu, J.-K.; Czekelius, C., "Insights into the Gold-catalyzed Cycloisomerization of 3-Allyl-1,4-diynes for the Synthesis of Bicyclic Hydrocarbons", Eur. J. Org. Chem. 2022, e202200027.

Link: https://doi.org/10.1002/ejoc.202200027

Thom, K. A.; Wieser, F.; Diestelhorst, K.; Reiffers, A.; Czekelius, C.; Kleinschmidt, M.; Bracker, M.; Marian, C. M.; Gilch, P., "Acridones: Strongly Emissive HIGHrISC Fluorophores", J. Phys. Chem. Lett. 202112, 5703-5709.

Link: https://pubs.acs.org/doi/10.1021/acs.jpclett.1c01381

Wulkesch, C.; Czekelius, C., „Straightforward Synthesis of Fluorinated Enals via Photocatalytic α-Perfluoroalkenylation of Aldehydes”, J. Org. Chem. 2021, 86, 11, 7425–7438

Link: https://doi.org/10.1021/acs.joc.1c00383

Helmecke, L.; Spittler, L.; Schmidt, B. M.; Czekelius, C., „Metal-Free Iodoperfluoroalkylation: Photocatalysis vs. Frustrated Lewis Pair Catalysis”, Synthesis 2021, 53, 123-134.

Link: https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-0040-1707232

Graffmann, N.; Ncube, A.; Martins, S.; Fiszl, A. R.; Reuther, P.; Bohnsdorf, M.; Wruck, W.; Beller, M.; Czekelius, C.; Adjaye, J., „A stem cell based in vitro model of NAFLD enables the analysis of patient specific individual metabolic adaptations in response to a high fat diet  and AdipoRon interference“, Biol. Open 2021, 10, bio054189.

Link: https://bio.biologists.org/content/10/1/bio054189.long

Farinacci, L.; Ahmadi, G.; Ruby, M.; Reecht, G.; Heinrich, B. W.; Czekelius, C.; von Oppen, F.; Franke, K. J., „Interfering tunneling paths through magnetic molecules on superconductors: Asymmetries of Kondo and Yu-Shiba-Rusinov resonances“, Phys. Rev. Lett. 2020, 125, 256805.

Link: https://doi.org/10.1103/PhysRevLett.125.256805

Thieltges, D. S.; Baumgarten, K. D.; Michaelis, C. S.; Czekelius, C., „Synthesis of B-ring-fluorinated (-)-epicatechin gallate derivatives“, Org. Biomol. Chem. 2020, 18, 4024-4028.

Link: https://doi.org/10.1039/D0OB00686F

Bracker, M.; Helmecke, L.; Kleinschmidt, M.; Czekelius, C.; Marian, C., „Visible Light-Induced Homolytic Cleavage of Perfluoroalkyl Iodides Mediated by Phosphines”, Molecules 2020, 25, 1606.

Link: https://doi.org/10.3390/molecules25071606

Mourad, A. K.; Czekelius, C., „Oxazolidinones and Related Heterocycles as Chiral Auxiliaries/Evans and Post-Evans Auxiliaries“ in, Top. Heterocyclic Chem. 2020, DOI: 10.1007/7081_2020_36

Link: DOI: 10.1007/7081_2020_36

Helmecke, L.; Spittler, M.; Baumgarten, K.; Czekelius, C., „Metal-Free Activation of C-I Bonds and Perfluoroalkylation of Alkenes with Visible Light Using Phosphine Catalysts”, Org. Lett. 2019, 21, 7823-7827.

Link: https://doi.org/10.1021/acs.orglett.9b02812

Arruda, L.; Ali, M. E.; Bernien, M.; Nickel, F.; Kopprasch, J.; Czekelius, C.; Oppeneer, P.; Kuch, W., „Modifying the Magnetic Anisotropy of an Iron Porphyrin Molecule by an On-Surface Ring-Closure Reaction”, J. Phys. Chem. C 2019, 123, 14547-14555.

Link: https://doi.org/10.1021/acs.jpcc.9b03126

Rolf, D.; Maass, F.; Lotze, C.; Czekelius, C.; Heinrich, B.; Tegeder, P.; Franke, K., „Correlation of Vibrational Excitations and Electronic Structure with Submolecular Resolution”, J. Phys. Chem. C 2019, 123, 7425-7430.

Link: https://doi.org/10.1021/acs.jpcc.8b11776

Stein, A.; Rolf, D.; Lotze, C.; Czekelius, C.; Franke, K. J.; Tegeder, P., „Electronic structure of an iron porphyrin derivative on Au(111)“,  J. Phys., Condens. Matter 2019, 31, 44002.

Link: http://dx.doi.org/10.1088/1361-648X/aaf296

Spittler, M.; Helmecke, L.; Czekelius, C., „Mechanistic Insights into FLP-Catalyzed Iodoperfluoroalkylations“, Eur. J. Org. Chem. 2019, 458-468.

Link: https://onlinelibrary.wiley.com/doi/abs/10.1002/ejoc.201800866

Huy, P.; Czekelius, C., „Chloro-, Bromo-, and Iodoalkenes“, Science of Synthesis Knowledge Update 2019/2, 91-241, Thieme, Stuttgart.

Rolf, D.; Lotze, C.; Czekelius, C.; Heinrich, B.; Franke, K., „Visualizing Intramolecular Distortions as the Origin of Transverse Magnetic Anisotropy“, J. Phys. Chem. Lett. 2018, 9, 6563-6567.

Link: https://doi.org/10.1021/acs.jpclett.8b03036

Czekelius, C., „Total Synthesis of Mesembrine – The Construction of Quarternary Stereocenters by Gold-Catalyzed Diyne Desymmetrization”, Isr. J. Chem. 2018, 58, 568-577.             

Link: http://dx.doi.org/10.1002/ijch.201700060

Reiffers, A.; Ziegenbein, C. T.; Engelhardt, A.; Kühnemuth, R.; Gilch, P.; Czekelius, C., „Impact of Mono-Fluorination on the Photophysics of the Flavin Chromophore“, Photochem. Photobiol. 2018, 94, 667-676.

Link: http://dx.doi.org/10.1111/php.12921

Nießing, S.; Czekelius, C.; Janiak, C., “Immobilisation of catalytically active proline on H2N-MIL-101(Al) accompanied with reversal in enantioselectivity”, Catal. Commun. 2017, 95, 12-15.

Link: http://dx.doi.org/10.1016/j.catcom.2017.02.027

Chen, X.; Lei, S.; Lotze, C.; Czekelius, C.; Paulus, B.; Franke, K. J., „Conformational adaptation and manipulation of manganese tetra(4-pyridyl)porphyrin molecules on Cu(111)“, J. Chem. Phys. 2017, 146, 092316.

Link: http://dx.doi.org/10.1063/1.4974313

Stoll, P.; Bernien, M.; Rolf, D.; Nickel, F.; Xu, Q.; Hartmann, C.; Umbach, T. R.; Kopprasch, J.; Ladenthin, J. N.; Schierle, E.; Weschke, E.; Czekelius, C.; Kuch, W.; Franke, K. J., „Magnetic anisotropy in surface-supported single-ion lanthanide complexes“, Phys. Rev. B 2016, 94, 224426.

Link: http://dx.doi.org/10.1103/PhysRevB.94.224426

Behrends, I.; Bähr, S.; Czekelius, C., „Perfluoroalkylation of Alkenes by Frustrated Lewis Pairs“, Chem. Eur. J. 2016, 22, 17177-17181.

Link: http://dx.doi.org/10.1002/chem.201604414

Spittler, M.; Lutsenko, K.; Czekelius, C., „Total Synthesis of (+)-Mesembrine Applying Asymmetric Gold Catalysis“, J. Org. Chem. 2016, 81, 6100-6105.

Link: http://dx.doi.org/10.1021/acs.joc.6b00985

Huhmann, S.; Nyakatura, E. K.; Erdbrink, H.; Gerling, U. I. M.; Czekelius, C.; Koksch, B., “Effects of Single Substitutions with Hexafluoroleucine and Trifluorovaline on the Hydrophobic Core Formation of a Heterodimeric Coiled Coil”, J. Fluorine Chem. 2015, 175, 32-25.

Link: http://dx.doi.org/10.1016/j.jfluchem.2015.03.003

Egart, B.; Czekelius, C., “Stereoselective Bromocyclization of Allylated Aldoxime Ethers”, Chem. Asian J. 2014, 9, 2088-2091.

Link: http://dx.doi.org/10.1002/asia.201402234

Vargas, C.; Radziwill, G.; Krause, G.; Diehl, A.; Keller, S.; Kamdem, N.; Czekelius, C.; Kreuchwig, A.; Schmieder, P.; Doyle, D.; Moelling, K.; Hagen, V.; Schade, M.; Oschkinat, H., „Small-Molecule Inhibitors of AF6 PDZ-Mediated Protein-Protein Interactions", ChemMedChem. 2014, 9, 1458-1462.

Link: http://dx.doi.org/10.1002/cmdc.201300553

Gerling, U. I. M.; Salwiczek, M.; Cadicamo, C. D.; Erdbrink, H.; Czekelius, C.; Grage, S. L.; Wadhwani, P.; Ulrich, A. S.; Behrends, M.; Haufe, G.; Koksch, B., “Fluorinated amino acids in amyloid formation: a symphony of size, hydrophobicity, and α-helix propensity”, Chem. Sci. 2014, 5, 819-830.

Link: http://dx.doi.org/10.1039/C3sc52932k

Erdbrink, H.; Czekelius, C., „Stereoselective Synthesis of Fluoroalkylated Butanolides", Synlett 2013, 2383-2388.

Link: http://dx.doi.org/10.1055/s-0033-1339755

Erdbrink, H.; Nyakatura, E. K.; Huhmann, S.; Gerling, U. I. M., Lentz, D.; Koksch, B.; Czekelius, C., „Synthesis of enantiomerically pure (2S,3S)-5,5,5-trifluoroisoleucine and (2R,3S)-5,5,5-trifluoro-allo-isoleucine”, Beilstein J. Org. Chem. 2013, 9, 2009-2014.

Link: http://dx.doi.org/10.3762/Bjoc.9.236

Mourad, A. K.; Czekelius, C., „Enantioselective Functionalization of Terminal Alkynes by Gold Catalysis", Synlett 2013, 1459-1463.

Link: http://dx.doi.org/10.1055/s-0033-1338841

Herper, H. C.; Bernien, M.; Bhandary, S.; Hermanns, C. F.; Krüger, A.; Miguel, J.; Weis, C.; Schmitz-Antoniak, C.; Krumme, B.; Bovenschen, D.; Tieg, C.; Sanyal, B.; Weschke, E.; Czekelius, C.; Kuch, W.; Wende, H.; Eriksson, O., „Iron Porphyrin Molecules on Cu(001): Influence of Adlayers and Ligands on the Magnetic Properties“, Phys. Rev. B. 2013, 87, 174425.

Link: http://dx.doi.org/10.1103/Physrevb.87.174425

Egart, B.; Lentz, D.; Czekelius, C., „Diastereoselective Bromocyclization of O-Allyl-N-Tosyl-Hydroxylamines”, J. Org. Chem. 2013, 78, 2490-2499.

Link: http://dx.doi.org/10.1021/Jo3026725

Egart, B.; Czekelius, C., “Fluoroalkenes", Science of Synthesis Knowledge Update 2013/4, 375-415, Thieme, Stuttgart.

Erdbrink, H.; Peuser, I.; Gerling, U. I. M.; Lentz, D.; Koksch, B.; Czekelius, C., „Conjugate Hydrotrifluoromethylation of -Unsaturated Acyl-Oxazolidinones: Synthesis of Chiral Fluorinated Amino Acids“, Org. Biomol. Chem. 2012, 8583-8586.

Link: http://dx.doi.org/10.1039/C2ob26810h

Mourad, A. K.; Leutzow, J.; Czekelius, C., „Anion-Induced Enantioselective Cyclization of Diynamides to Pyrrolidines Catalyzed by Cationic Gold Complexes“, Angew. Chem. Int. Ed. 2012, 51, 11149-11152; Angew. Chem. 2012, 124, 11311-11314.                 

Link: http://dx.doi.org/10.1002/anie.201205416

Wilckens, K.; Duhs, M.-A.; Lentz, D.; Czekelius, C., “Chiral Bis(tetrahydroisoquinoline) Diamines as Efficient Ligands for the Nickel-Catalysed Enantioselective Michael Addition to Nitroalkenes”, Eur. J. Org. Chem., 2011, 5441-5446.

Link: http://dx.doi.org/10.1002/ejoc.201100488

Wilckens, K.; Lentz, D.; Czekelius, C., “Synthesis of Gold Complexes Bearing Sterically Highly Encumbered, Chiral Carbene Ligands”, Organometallics, 2011, 30, 1287-1290.

Link: http://dx.doi.org/10.1021/Om101192k

Rüttinger, R.; Leutzow, J.; Wilsdorf, M.; Wilckens, K.; Czekelius, C., “Reversal of Selectivity in Gold-Catalyzed Cyclizations of 3,3-Disubstituted 1,4-Diynes”, Org. Lett., 2011, 13, 224-227.

Link: http://dx.doi.org/10.1021/Ol102628x

Mourad, A. K.; Czekelius, C., „Synthesis of Carboxylic Acid Esters from Carboxylic Acid Derivatives", Science of Synthesis Knowledge Update 2011/3, 57-75, Thieme, Stuttgart.

Mourad, A. K.; Czekelius, C., „Synthesis of Carboxylic Acids from Carboxylic Acid Derivatives“, Science of Synthesis Knowledge Update 2011/3, 77-91, Thieme, Stuttgart.

Stern, T.; Rückbrod, S.; Czekelius, C.; Donner, C.; Brunner, H., “A Selective and Benign Synthesis of Functionalized Benzalacetones via Mizoroki-Heck Reaction Using Aryldiazonium Salts”, Adv. Synth. Catal. 2010, 352, 1983-1992.

Link: http://dx.doi.org/10.1002/adsc.200900868

Czekelius, C.; Tzschucke, C. C. “Synthesis of Halogenated Carboxylic Acids and Amino Acids“, Synthesis, 2010, 543-566.

Link: http://dx.doi.org/10.1055/s-0029-1218649

Wilckens, K.; Uhlemann, M.; Czekelius, C., “Gold-Catalyzed endo-Cyclizations of 1,4-Diynes to Seven-Membered Ring Heterocycles”, Chem. Eur. J. 2009, 15, 13323-13326.

Link: http://dx.doi.org/10.1002/chem.200901702

Czekelius, C., “Polymerization of 1,6-Diynes – Scope, Structure, and Optical Properties”, Indian J. Chem. Sect. B 2009, 48, 1704-1708.

Link: http://nopr.niscair.res.in/handle/123456789/6857

Czekelius, C.; Carreira, E. M., “Enantioselective Reduction of Nitroalkene-Mixtures by in Situ Equilibration”, Org. Proc. Res. Dev.  2007, 11, 633-636.

Link: http://dx.doi.org/10.1021/Op700029m

Singh, R.; Czekelius, C.; Schrock, R. R., Müller, P.; Hoveyda, A. H., “Molybdenum Imido Alkylidene Metathesis Catalysts that Contain Electron Withdrawing Biphenolates or Binaphtolates”, Organometallics 2007, 26, 2528-2539.

Link: http://dx.doi.org/10.1021/Om061134+

Schrock, R. R.; Czekelius, C., “Recent Advances in the Synthesis and Applications of Molybdenum and Tungsten Alkylidene and Alkylidyne Catalysts for the Metathesis of Alkenes and Alkynes”, Adv. Synth. Catal. 2007, 349, 55-77.

Link: http://dx.doi.org/10.1002/adsc.200600459

Czekelius, C.; Hafer, J. E.; Tonzetich, Z. J.; Schrock, R. R.; Müller, P., “Synthesis and Spectroscopic Studies of Oligomeric Polyenens that Contain up to 15 Double Bonds”, J. Am. Chem. Soc. 2006, 128, 16664-16675.

Link: http://dx.doi.org/10.1021/Ja0656705

Singh, R.; Czekelius, C.; Schrock, R. R., “Living Ring-Opening Metathesis Polymerization of Cyclopropenes”, Macromolecules 2006, 39, 1316-1317.

Link: http://dx.doi.org/10.1021/Ma052560u

Czekelius, C.; Carreira, E. M., “Convenient Transformation of Optically Active Nitroalkanes to Chiral Aldoximes and Nitriles”, Angew. Chem. Int. Ed. 2005, 44, 612-615;  Angew. Chem. 2005, 117, 618-621.

Link: http://dx.doi.org/10.1002/anie.200461879

Czekelius, C.; Carreira, E. M., “Convenient Catalytic, Enantioselective Conjugate Reduction of Nitroalkenes Using CuF2 , Org. Lett. 2004, 6, 4575-4577.

Link: http://dx.doi.org/10.1021/Ol048035h

Czekelius, C.; Carreira, E. M.; “Enantioselective Conjugate Reduction of β,β- Disubstituted Nitroalkenes”, Angew. Chem. Int. Ed., 2003, 42, 4793-4795; Angew. Chem. 2003, 115, 4941-4943.

Link: http://dx.doi.org/10.1002/anie.200352175

Czekelius, C.; Hilgendorff, M.; Spanhel, L.; Bedja, I.; Lerch, M.; Müller, G.; Bloeck U.; Su, D. S.; Giersig M., “A Simple Colloidal Route to Nanocrystalline ZnO/CuInS2 Bilayers”, Adv. Mater. 1999, 11, 643-646.

Link: http://dx.doi.org/10.1002/(Sici)1521-4095(199906)11:8<643::Aid-Adma643>3.0.Co;2-I

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