Lichtenberg, Crispin - Philipps-Universität Marburg

研究领域

We have a special interest in cationic species, radicals, and biradicals of bismuth and in compounds with redox-active ligands. Fields of application include C–H-bond-activation, dehydrocoupling, and small molecule activaiton.

近期论文

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R. Wang, S. Martínez, J. Schwarzmann, C. Z. Zhao, J. Ramler, C. Lichtenberg,*. Y.-M. Wang*. J. Am. Chem. Soc. 2024, DOI: 10.1021/jacs.4c06235. Transition Metal Mimetic π-Activation by Cationic Bismuth(III) Catalysts . for Allylic C−H Functionalization of Olefins Using C=O and C=N Electrophiles J. Schwarzmann, T. Eskelinen, S. Reith, J. Ramler, A. J. Karttunen,* J. Poater,*. C. Lichtenberg*. Angew. Chem. Int. Ed. 2024, DOI: 10.1002/anie.202410291. Bismuth as a Z-Type Ligand: an Unsupported Pt–Bi Donor-Acceptor Interaction. and its Umpolung by Reaction with H2 A. Fetoh, F. Fantuzzi,* C. Lichtenberg*. Inorg. Chem. 2024, 63, 12089-12099. . The Chlorido-Bismuth Dication: A Potent Lewis Acid Captured in a. Hepta-Coordinate Species with a Stereochemically Active Lone Pair D. Rottschäfer, S. Reith, J. Schwarzmann, F. Tambornino, C. Lichtenberg*. Chem. Eur. J. 2024, 30, e202303363.. Cyclic Hydrocarbon Frameworks Containing Two Bismuth Atoms:. Towards 9,10-Dibismaanthracene S. Martínez, C. Lichtenberg*. Synlett 2024, 35, 1530-1539.. Bismuth-centered radical species: access and applications in organic synthesis D. Rottschäfer, A. Pachkovska, X. Xie, K. Oberdorf, S. Reith, A. Stoy, C. Lichtenberg*. Inorg. Chem. 2023, 62, 18228-18238.. Fusing Triphenylbismuth and PnPh3 (Pn = P–Bi):. Synthesis, Isolation, and Characterization of 9-Bisma-10-Pnictatriptycenes M. Maier, V. Zeh, N. Munker, J. Glock, K. Oberdorf, O. Ayhan, C. Lichtenberg, H. Helten*. Eur. J. Inorg. Chem. 2023, e202300490.. 1,2,5-Azadiborolane as a Building Block for Inorganic–Organic Hybrid Polymers F. Geist, S. Martínez, J. Ramler, K. Oberdorf, L. Brändler, S. Reith, C. Lichtenberg*. Eur. J. Inorg. Chem. 2023, e202300415.. A Dibismuthane with Olefin Functional Groups:. towards Tridentate Hybrid Chalcogen/Olefin Ligands A. Stoy, M. Jürgensen, C. Millidoni, C. Berthold, J. Ramler, S. Martínez, M. Buchner,. C. Lichtenberg*. Angew. Chem. Int. Ed. 2023, 62, e202308293.. Bismuth in Dynamic Covalent Chemistry: Access to a Bowl-Type Macrocycle. and a Barrel-Type Heptanuclear Complex Cation K. Oberdorf, C. Lichtenberg*. Chem. Commun. 2023, 59, 8043-8058.. Small molecule activation by well-defined compounds of heavy p-block elements K. Oberdorf, P. Pfister, P. Grenzer, J. Ramler, A. Hanft, A. Stoy, X. Xie,. C. Lichtenberg*. Organometallics 2023, 42, 885-895.. Cationic Bismuth Amides Add across Activated C=X Bonds (X = C, N, and S):. Pronounced Solvent Effects on Reactivity and Selectivity K. Oberdorf, A. Hanft, X. Xie, F. M. Bickelhaupt, J. Poater,* C. Lichtenberg*. Chem. Sci. 2023, 14, 5214-5219.. Insertion of CO2 and CS2 into Bi–N bonds enables catalyzed CH-activation. and light-induced bismuthinidene transfer E. Karaev, M. Gerlach, L. Faschingbauer, J. Ramler, I. Krummenacher,. C. Lichtenberg,* P. Hemberger,* I. Fischer*. Chem. Eur. J. 2023, 29, e202300637.. Bonding in Low-Coordinated Organoarsenic and Organoantimony Compounds:. A Threshold Photoelectron Spectroscopic Investigation T. Dunaj, J. Schwarzmann, J. Ramler, A. Stoy, S. Reith, J. Nitzsche, L. Völlinger, . C. von Hänisch,* C. Lichtenberg*. Chem. Eur. J. 2023, 29, e202204012.. Bismuth Cations: Fluoride Ion Abstraction, Isocyanide Coordination,. and Impact of Steric Bulk on Lewis Acidity J. Heine,* B. Peerless, S. Dehnen,* C. Lichtenberg*. Angew. Chem. Int. Ed. 2023, 62, e202218771.. Charge Makes a Difference: Molecular Ionic Bismuth Compounds K. Oberdorf, P. Grenzer, P. Pfister, A. Hanft, A. Rempel, C. Lichtenberg*. ChemPlusChem 2023, 88, e202200455.. Reactivity of a Cationic Bismuth Amide towards Unsymmetric Heterocumulenes F. Lindl, A. Lamprecht, M. Arrowsmith, E. Khitro, A. Rempel, M. Dietz, T. Wellnitz,. G. Bélanger-Chabot, A. Stoy, V. Paprocki, D. Prieschl, C. Lenczyk, J. Ramler,. C. Lichtenberg, H. Braunschweig*. Chem. Eur. J. 2023, 29, e202203345.. Aromatic 1,2-Azaborinin-1-yls as Electron-Withdrawing Anionic Nitrogen Ligands. for Main Group Elements J. Ramler, A. Stoy, T. Preitschopf, J. Kettner, I. Fischer, B. Rohling, F. Fantuzzi*,. C. Lichtenberg*. Chem. Commun. 2022, 58, 9826-9829.. Dihalo bismuth cations:. unusual coordination properties and inverse solvent effects in Lewis acidity A. Hanft, D. Rottschäfer, V. Müller, P. Weinberger, K. Radacki, X. Xie, C. Lichtenberg*. Dalton Trans. 2022, 51, 10809-10817.. Sulfinyl-aminotroponiminates: alkali- (Li, Na, K) and heavy-metal (Bi) complexes S. Reith, S. Demeshko, B. Battistella, A. Reckziegel, C. Schneider, A. Stoy, C. Lichtenberg,. F. Meyer, D. Munz,* C. G. Werncke*. Chem. Sci. 2022, 13, 7907-7913.. Between Imide, Imidyl and Nitrene – An Imido Iron Complex in Two Oxidation States J. Ramler, J. Schwarzmann, A. Stoy, C. Lichtenberg*. Eur. J. Inorg. Chem. 2022, e202100934.. Two Faces of the Bi–O Bond: Photochemically- and Thermally-Induced. Dehydrocoupling for Si–O Bond Formation K. Oberdorf, P. Grenzer, N. Wieprecht, J. Ramler, A. Hanft, A. Rempel, A. Stoy,. K. Radacki, C. Lichtenberg*. Inorg. Chem. 2021, 60, 19086-19097.. CH Activation of Cationic Bismuth Amides:. Heteroaromaticity, Derivatization, and Lewis Acidity J. Ramler, F. Fantuzzi, F. Geist, A. Hanft, H. Braunschweig, B. Engels, C. Lichtenberg*. Angew. Chem. Int. Ed. 2021, 60, 24388-24394.. The Dimethylbismuth Cation:. Entry into Dative Bi–Bi Bonding and Unconventional Methyl Exchange A. Hanft, D. Rottschäfer, N. Wieprecht, F. Geist, K. Radacki, C. Lichtenberg*. Chem. Eur. J. 2021, 27, 14250-14262.. Aminotroponiminates: Impact of the NO2 Functional Group. on Coordination, Isomerisation, and Backbone Substitution J. Ramler C. Lichtenberg*. Dalton Trans. 2021, 50, 7120-7138. Bismuth Species in the Coordination Sphere of Transition Metals:. Sythesis, Bonding, Coordination Chemistry, and Reactivity of. Molecular Complexes (perspective article) C. Lichtenberg*. Chem. Commun. 2021, 57, 4483-4495.. Molecular Bismuth(III) Monocations:. Structure, Bonding, Reactivity, and Catalysis (feature article) J. Ramler, L. Wüst, A. Rempel, L. Wolz, C. Lichtenberg*. Organometallics 2021, 40, 832–837.. Bismuth Atoms in Hydrocarbon Ligands:. Bismepines as Rigid, Ditopic Arene Donors in Coordination Chemistry C. Brunecker, M. Arrowsmith, J. Muessig, J. Böhnke, A. Stoy, M. Heß, A.. Hofmann, C. Lenczyk, C. Lichtenberg, A. Rempel, J. Ramler, H. Braunschweig*. Dalton. Trans. 2021, 50, 3506-3515.. Synthesis and characterisation of boranediyl- and diboranediyl-bridged. diplatinum A-frame complexes A. Hanft, K. Radacki, C. Lichtenberg*. Chem. Eur. J. 2021, 27, 6230-6239.. Cationic Bismuth Aminotroponiminates: Charge Controls Redox Properties K. Oberdorf, A. Hanft, J. Ramler, I. Krummenacher, F. M. Bickelhaupt,. J. Poater,* C. Lichtenberg*. Angew. Chem. Int. Ed. 2021, 60, 6441-6445.. Bismuth Amides Mediate Facile and Highly Selective Pn-Pn Radical Coupling. Reactions (Pn = N, P, As) A. Hanft, M. Jürgensen, L. Wolz, K. Radacki, C. Lichtenberg*. Inorg. Chem. 2020, 59, 17678-17688.. Salicylaldimines: Formation via Ring Contraction and Synthesis. of Mono- and Heterobimetallic Alkali Metal Heterocubanes J. Ramler, I. Krummenacher, C. Lichtenberg*. Chem. Eur. J. 2020, 26, 14551-14555.. Well-defined, molecular bismuth compounds:. catalysts in photochemically-induced radical dehydrocoupling reactions J. Ramler, K. Radacki, J. Abbenseth,* C. Lichtenberg*. Dalton Trans. 2020, 49, 9024-9034.. Combined experimental and theoretical studies. towards mutual Osmium–Bismuth donor/acceptor bonding D. P. Mukhopadhyay, D. Schleier, S. Wirsing, J. Ramler, D. Kaiser, E. Reusch, P. Hemberger,. T. Preitschopf, I. Krummenacher, B. Engels,* I. Fischer,* C. Lichtenberg*. Chem. Sci. 2020, 11, 7562-7568. Methylbismuth: an Organometallic Bismuthinidene Biradical J. Ramler, C. Lichtenberg*. Chem. Eur. J. 2020, 26, 10250-10258.. Molecular Bismuth Cations: Assessment of Soft Lewis Acidity A. Hanft, C. Lichtenberg*. Z. Kristallogr. NCS 2020, 235, 963-966.. Dimerization of 2-[(2-((2-Aminophenyl)thio)phenyl)amino]-cyclohepta-2,4,6-trien-1-one. through Hydrogen Bonding C. Lichtenberg*. Chem. Eur. J. 2020, 26, 9674-9687.. Main Group Metal Complexes in Selective Bond Formations through Radical Pathways J. Ramler, K. Hofmann, C. Lichtenberg*. Inorg. Chem. 2020, 59, 3367-3376. Neutral and Cationic Bismuth Compounds:. Structure, Hetero-Aromaticity, and Lewis Acidity of Bismepines