Coworkers of the NMR department

Welcome to the NMR department!
© KB

  • Dr. Klaus Bergander

    Dipl. Chem.
    © Uni MS - Peter Dziemba
    Dipl. Chem.
    Head of NMR department
    Room 016 (Iso-Trakt)
    Corrensstraße 40
    48149 Münster
    T: +49 251 83 39776
    F: +49 251 83 36533
    klaube@uni-muenster.de
     
     

    Academic Education

    Post-doctoral Fellow. Research Advisor: Prof. Dr. G. Erker, WWU Münster
    PhD student at University of Siegen
    Studies in Chemistry at University of Cologne
     

    Publications

    • Drennhaus, Till; Leifert, Dirk; Lammert, Jessika; Drennhaus, Jan Philipp; Bergander, Klaus; Daniliuc, Constantin G.; Studer, Armido. Enantioselective Copper-Catalyzed Fukuyama Indole Synthesis from 2-Vinylphenyl Isocyanides.' Journal of the American Chemical Society. ; 145(15). doi: 10.1021/jacs.3c01667.
    • Hoffmann E.; Schache D.; Höltke C.; Soltwisch J.; Niland S.; Krähling T.; Bergander K.; Grewer M.; Geyer C.; Groeneweg L.; Eble J.A.; Vogl T.; Roth J.; Heindel W.; Maus B.; Helfen A.; Faber C.; Wildgruber M.; Gerwing M.; Hoerr V. Multiparametric chemical exchange saturation transfer MRI detects metabolic changes in breast cancer following immunotherapy.' Journal of Translational Medicine. ; 21(1): 577. doi: 10.1186/s12967-023-04451-6.

    • Xu, Peng; Daniliuc, Constantin G.; Bergander, Klaus; Stein, Colin; Studer, Armido. Letter Synthesis of Five-Membered Ring Systems Bearing gem- Difluoroalkenyl and Monofluoroalkenyl Substituents via Radical li-Bromo Fragmentation.' ACS Catalysis. ; 12(19): 11934–11941. doi: 10.1021/acscatal.2c03775.

    • Bhunia A., Bergander K., Daniliuc C.G., Studer A. Fe-Catalyzed Anaerobic Mukaiyama-Type Hydration of Alkenes using Nitroarenes.' Angewandte Chemie International Edition. ; 60(15): 8313–8320. doi: 10.1002/anie.202015740.
    • Wedi P., Farizyan M., Bergander K., Mück-Lichtenfeld C., van Gemmeren M. Mechanism of the Arene-Limited Nondirected C−H Activation of Arenes with Palladium**.' Angewandte Chemie International Edition. ; 60(28): 15641–15649. doi: 10.1002/anie.202105092.
    • Simke J., Böckermann T., Bergander K., Klabunde S., Hansen M.R., Ravoo B.J. Photoresponsive host-guest chemistry and relaxation time of fluorinated cyclodextrin and T1=T* 2 arylazopyrazole-functionalized DOTA metal complexes.' Organic and Biomolecular Chemistry. ; 19(10): 2186–2191. doi: 10.1039/d0ob02482a.
    • You C., Sakai M., Daniliuc C.G., Bergander K., Yamaguchi S., Studer A. Regio- and Stereoselective 1,2-Carboboration of Ynamides with Aryldichloroboranes.' Angewandte Chemie International Edition. ; 60(40): 21697–21701. doi: 10.1002/anie.202107647.

    • Wagener T., Heusler A., Nairoukh Z., Bergander K., Daniliuc C.G., Glorius F. Accessing (Multi)Fluorinated Piperidines Using Heterogeneous Hydrogenation.' ACS Catalysis. ; 10(20): 12052–12057. doi: 10.1021/acscatal.0c03278.
    • Wollenburg M., Heusler A., Bergander K., Glorius F. Trans-Selective and Switchable Arene Hydrogenation of Phenol Derivatives.' ACS Catalysis. ; 10(19): 11365–11370. doi: 10.1021/acscatal.0c03423.
    • Ma, Jiajia; Schaefers, Felix; Daniliuc, Constantin; Bergander, Klaus; Strassert, Cristian A.; Glorius, Frank. Gadolinium Photocatalysis: Dearomative [2+2] Cycloaddition/Ring-Expansion Sequence with Indoles.' Angewandte Chemie International Edition. ; 59(24). doi: 10.1002/anie.202001200.
    • Nairoukh, Zackaria; Strieth-Kalthoff, Felix; Bergander, Klaus; Glorius, Frank. Understanding the Conformational Behavior of Fluorinated Piperidines: The Origin of the Axial-F Preference.' Chemistry - A European Journal. ; 26(28). doi: 10.1002/chem.202001355.
    • Hayashi, Taiki; Axer, Alexander; Kehr, Gerald; Bergander, Klaus; Gilmour, Ryan. Halogen-directed chemical sialylation: pseudo-stereodivergent access to marine ganglioside epitopes.' Chemical science. ; 11(25): 6527–6531. doi: 10.1039/d0sc01219j.

    • Nairoukh Z, Wollenburg M, Schlepphorst C, Bergander K, Glorius F. The formation of all-cis-(multi)fluorinated piperidines by a dearomatization–hydrogenation process.' Nature Chemistry. ; 11(3): 264–270. doi: 10.1038/s41557-018-0197-2.
    • Clausen, Florian; Kischkewitz, Marvin; Bergander, Klaus; Studer, Armido. Catalytic protodeboronation of pinacol boronic esters: formal anti- Markovnikov hydromethylation of alkenes.' Chemical science. ; 10(24). doi: 10.1039/c9sc02067e.
    • Skoch, Karel; Pauly, Christophe; Daniliuc, Constantin G.; Bergander, Klaus; Kehr, Gerald; Erker, Gerhard. Consecutive intermolecular 1,1-carboboration reactions of Me3Si-substituted alkynes with the halogeno-B(C6F5)2 reagents.' Dalton Transactions. ; 48(15). doi: 10.1039/c9dt00413k.
    • Ma, Jiajia; Strieth-Kalthoff, Felix; Dalton, Toryn; Freitag, Matthias; Schwarz, J. Luca; Bergander, Klaus; Daniliuc, Constantin; Glorius, Frank. Direct Dearomatization of Pyridines via an Energy-Transfer-Catalyzed Intramolecular [4+2] Cycloaddition.' Chem. ; 5(11). doi: 10.1016/j.chempr.2019.10.016.
    • Strieth-Kalthoff, Felix; Henkel, Christian; Teders, Michael; Kahnt, Axel; Knolle, Wolfgang; Gomez-Suarez, Adrian; Dirian, Konstantin; Alex, Wiebke; Bergander, Klaus; Daniliuc, Constantin G.; Abel, Bernd; Guldi, Dirk M.; Glorius, Frank. Discovery of Unforeseen Energy-Transfer-Based Transformations Using a Combined Screening Approach.' Chem. ; 5(8). doi: 10.1016/j.chempr.2019.06.004.
    • Bentler, Patrick; Bergander, Klaus; Daniliuc, Constantin G.; Mueck-Lichtenfeld, Christian; Jumde, Ravindra P.; Hirsch, Anna K. H.; Gilmour, Ryan. Inverting Small Molecule-Protein Recognition by the Fluorine Gauche Effect: Selectivity Regulated by Multiple H→F Bioisosterism.' Angewandte Chemie International Edition. ; 58(32): 10990–10994. doi: 10.1002/anie.201905452.
    • Bentler, Patrick; Erdeljac, Nathalie; Bussmann, Kathrin; Ahlqyist, Marie; Knerr, Laurent; Bergander, Klaus; Daniliuc, Constantin G.; Gilmour, Ryan. Stereocontrolled Synthesis of Tetrafluoropentanols: Multivicinal Fluorinated Alkane Units for Drug Discovery.' Organic letters. ; 21(19): 7741–7745. doi: 10.1021/acs.orglett.9b02662.
    • Hayashi, Taiki; Kehr, Gerald; Bergander, Klaus; Gilmour, Ryan. Stereospecific α-Sialylation by Site-Selective Fluorination.' Angewandte Chemie International Edition. ; 58(12): 3814–3818. doi: 10.1002/anie.201812963.

    • Wang L, Xia Y, Bergander K, Studer A. Remote Site-Specific Radical Alkynylation of Unactivated C-H Bonds.' Organic letters. ; 20(18): 5817–5820. doi: 10.1021/acs.orglett.8b02514.
    • Lerchen A, Knecht T, Koy M, Ernst J, Bergander K, Daniliuc C, Glorius F. Non-Directed Cross-Dehydrogenative (Hetero)arylation of Allylic C(sp3)−H bonds enabled by C−H Activation.' Angewandte Chemie International Edition. ; 57(46): 15248–15252. doi: 10.1002/anie.201807047.
    • Bhunia A, Bergander K, Studer A. Cooperative Palladium/Lewis Acid-Catalyzed Transfer Hydrocyanation of Alkenes and Alkynes Using 1-Methylcyclohexa-2,5-diene-1-carbonitrile.' Journal of the American Chemical Society. ; 140(47): 16353–16359. doi: 10.1021/jacs.8b10651.

    • Uhl W., Keweloh L., Hepp A., Stegemann F., Layh M., Bergander K. Reactivity of a P–H Functionalized Al/P-Based Frustrated Lewis Pair – Hydrophosphination versus Classic Adduct Formation.' ZAAC - Zeitschrift für Anorganische und Allgemeine Chemie / Journal of Inorganic and General Chemistry. ; 643(23): 1978–1990. doi: 10.1002/zaac.201700340.
    • Keuter J, Schwedtmann K, Hepp A, Bergander K, Janka O, Doerenkamp C, Eckert H, Mück-Lichtenfeld C, Lips F. Diradicaloid or Zwitterionic Character: The Non-Tetrahedral Unsaturated Compound [Si4{N(SiMe3)Dipp}4] with a Butterfly-type Si4 Substructure.' Angewandte Chemie - International Edition. ; 56(44): 13866–13871. doi: 10.1002/anie.201705787.
    • Ascheberg, Christoph; Bock, Jonathan; Buss, Florenz; Mueck-Lichtenfeld, Christian; Daniliuc, Constantin G.; Bergander, Klaus; Dielmann, Fabian; Hennecke, Ulrich. Stable Bromiranium Ions with Weakly-Coordinating Counterions as Efficient Electrophilic Brominating Agents.' Chemistry - A European Journal. ; 23(48). doi: 10.1002/chem.201701643.

    • Buß F., Mehlmann P., Mück-Lichtenfeld C., Bergander K., Dielmann F. Reversible Carbon Dioxide Binding by Simple Lewis Base Adducts with Electron-Rich Phosphines.' Journal of the American Chemical Society. ; 138(6): 1840–1843. doi: 10.1021/jacs.5b13116.
    • Oezguen, Thomas; Bergander, Klaus; Liu, Lei; Daniliuc, Constantin G.; Grimme, Stefan; Kehr, Gerald; Erker, Gerhard. A Frustrated Phosphane-Borane Lewis Pair and Hydrogen: A Kinetics Study.' Chemistry - A European Journal. ; 22(34). doi: 10.1002/chem.201603050.
    • Holtrichter-Roessmann, Thorsten; Haeger, Ina; Daniliuc, Constantin-Gabriel; Froehlich, Roland; Bergander, Klaus; Troll, Carsten; Rieger, Bernhard; Rojasla, Rene S.; Wuerthwein, Ernst-Ulrich. Catalytically Active N-Acylamidine-Zirconium Complexes: Synthesis, Structures, and Application in Ethylene Polymerization.' Organometallics. ; 35(11). doi: 10.1021/acs.organomet.6b00240.

    • von Bargen, Katharina Walburga; Niehaus, Eva-Maria; Krug, Isabel; Bergander, Klaus; Wuerthwein, Ernst-Ulrich; Tudzynski, Bettina; Humpf, Hans-Ulrich. Isolation and Structure Elucidation of Fujikurins A-D: Products of the PKS19 Gene Cluster in Fusarium fujikuroi.' Journal of Natural Products. ; 78(8): 1809–1815. doi: 10.1021/np5008137.

    • Frommeyer M., Bergander K., Steinbüchel A. Guanidination of soluble lysine-rich cyanophycin yields a homoarginine-containing polyamide.' Applied and Environmental Microbiology. ; 80(8): 2381–2389. doi: 10.1128/AEM.04013-13.
    • Seidel, WW; Arias, MDI; Schaffrath, M; Bergander, K. A neutral tungsten-η2-alkyne-1-thio ligand forming a homoleptic Werner type complex with Cu(I).' Dalton Transactions. ; 2014(14). doi: 10.1039/b404821k.
    • Kondratov, Ivan S.; Tolmachova, Nataliya A.; Dolovanyuk, Violetta G.; Gerus, Igor I.; Bergander, Klaus; Daniliuc, Constantin-Gabriel; Haufe, Guenter. Diels-Alder Reaction of Ethyl 3-Benzamido-2-oxo-6-(trifluoromethyl)-2H-pyran-5-carboxylate with Alkoxyalkenes as an Effective Approach to Trifluoromethyl-Containing 3-Aminobenzoic Acid Derivatives.' European Journal of Organic Chemistry. ; 2014(12). doi: 10.1002/ejoc.201301485.
    • Bergander K., Hüls D., Glaser S., Günther H., Luy B. A critical evaluation of heteronuclear TOCSY (HEHAHA) experiments for 1H,6Li spin pairs.' Magnetic Resonance in Chemistry. ; 52(12): 739–744. doi: 10.1002/mrc.4131.

    • Neue B., Reiermann R., Fröhlich R., Wibbeling B., Bergander K., Würthwein E. Isocyanide cyclization reactions: 4-methylene-4H-benzo[d][1,3]oxazine, 3-benzyl-4-methylene-3,4-dihydroquinazolines and 3-(4-benzyl)-3H-quinazolin-4- ones - Experiment and theory.' European Journal of Organic Chemistry. ; 2013(22): 4944–4952. doi: 10.1002/ejoc.201300293.
    • Von Bargen K., Niehaus E., Bergander K., Brun R., Tudzynski B., Humpf H. Structure elucidation and antimalarial activity of apicidin F: An apicidin-like compound produced by Fusarium fujikuroi.' Journal of Natural Products. ; 76(11): 2136–2140. doi: 10.1021/np4006053.
    • Holland MC, Paul S, Schweizer WB, Bergander K, Mück-Lichtenfeld C, Lakhdar S, Mayr H, Gilmour R. Noncovalent interactions in organocatalysis: modulating conformational diversity and reactivity in the MacMillan catalyst.' Angewandte Chemie International Edition. ; 52(31): 7967. doi: 10.1002/anie.201301864.

    • Köhler J., Bergander K., Fabian J., Schepmann D., Wünsch B. Enantiomerically pure 1,3-dioxanes as highly selective NMDA and σ1 receptor ligands.' Journal of Medicinal Chemistry. ; 55(20): 8953–8957. doi: 10.1021/jm301166m.
    • Kleigrewe K., Aydin F., Hogrefe K., Piecuch P., Bergander K., Würthwein E., Humpf H. Structure elucidation of new fusarins revealing insights in the rearrangement mechanisms of the fusarium mycotoxin fusarin C.' Journal of Agricultural and Food Chemistry. ; 60(21): 5497–5505. doi: 10.1021/jf3009469.
    • Samanta R., Maji B., De Sarkar S., Bergander K., Fröhlich R., Mück-Lichtenfeld C., Mayr H., Studer A. Nucleophilic addition of enols and enamines to α,β-unsaturated acyl azoliums: Mechanistic studies.' Angewandte Chemie International Edition. ; 51(21): 5234–5238. doi: 10.1002/anie.201109042.
    • Kondratov I., Dolovanyuk V., Tolmachova N., Gerus I., Bergander K., Fröhlich R., Haufe G. Reactions of β-alkoxyvinyl polyfluoroalkyl ketones with ethyl isocyanoacetate and its use for the synthesis of new polyfluoroalkyl pyrroles and pyrrolidines.' Organic and Biomolecular Chemistry. ; 10(44): 8778–8785. doi: 10.1039/c2ob26176f.

    • Tolmachova N., Dolovanyuk V., Gerus I., Kondratov I., Polovinko V., Bergander K., Haufe G. Catalytic hydrogenation of 3-amino-6-(trifluoromethyl)-5,6-dihydropyridin- 2(1 H)-ones and its use in the synthesis of trifluoromethyl-containing mimetics of ornithine and thalidomide.' Synthesis. ; 2011(7): 1149–1156. doi: 10.1055/s-0030-1258448.
    • Kleine T., Bergander K., Fröhlich R., Wibbeling B., Würthwein E. Ring-closure reactions of 1,2-diaza-4,5-benzoheptatrienyl metal compounds: Experiment and theory.' Journal of Organic Chemistry. ; 76(7): 1979–1991. doi: 10.1021/jo2001534.
    • Husstedt W., Wiehle S., Stillig C., Bergander K., Grimme S., Haufe G. Synthesis and preferred conformations of all regio- and diastereoisomeric methyl 2,3-fluorohydroxyalkanoates.' European Journal of Organic Chemistry. ; 2011(2): 355–363. doi: 10.1002/ejoc.201001224.
    • Niewerth H, Bergander K, Chhabra SR, Williams P, Fetzner S. Synthesis and biotransformation of 2-alkyl-4(1H)-quinolones by recombinant Pseudomonas putida KT2440.' Applied Microbiology and Biotechnology. ; 91(5): 1399. doi: 10.1007/s00253-011-3378-0.

    • Attwood P., Ludwig K., Bergander K., Besant P., Adina-Zada A., Krieglstein J., Klumpp S. Chemical phosphorylation of histidine-containing peptides based on the sequence of histone H4 and their dephosphorylation by protein histidine phosphatase.' Biochimica et Biophysica Acta - Proteins and Proteomics. ; 1804(1): 199–205. doi: 10.1016/j.bbapap.2009.10.007.
    • Uhl W., Rohling M., Würthwein E., Ghavtadze N., Bergander K. Facile synthesis of an unsaturated spiro germane by hydroalumination and intramolecular 1,1-carbalumination.' Organometallics. ; 29(21): 5236–5240. doi: 10.1021/om100359k.
    • Fehling E., Bergander K., Klein E., Weber N., Vosmann K. Thiol-functionalized copolymeric polyesters by lipase-catalyzed esterification and transesterification of 1,12-dodecanedioic acid and its diethyl ester, respectively, with 1-thioglycerol.' Biotechnology Letters. ; 32(10): 1463–1471. doi: 10.1007/s10529-010-0311-z.

    • Spies P., Kehr G., Bergander K., Wibbeling B., Fröhlich R., Erker G. Metal-free dihydrogen activation chemistry: Structural and dynamic features of intramolecular P/B pairs.' Dalton Transactions. ; 2009(9): 1534–1541. doi: 10.1039/b815832k.
    • Würtz S., Lohre C., Fröhlich R., Bergander K., Glorius F. IBiox[(-)-menthyl]: A sterically demanding chiral NHC ligand.' Journal of the American Chemical Society. ; 131(24): 8344–8345. doi: 10.1021/ja901018g.
    • Eweiner F., Senda S., Bergander K., Mück-Lichtenfeld C., Grimme S., Fröhlich R., Aoyama M., Kawaguchi H., Ohki Y., Matsumoto T., Kehr G., Tatsumi K., Erker G. Evidence for a rapid degenerate hetero-cope-type rearrangement in [Cp*W(S) 2S-CH2-CH=CH2].' Chemistry - An Asian Journal. ; 4(12): 1830–1833. doi: 10.1002/asia.200900360.
    • Hill M., Herrmann C., Spies P., Kehr G., Bergander K., Fröhlich R., Erker G. Bifunctional Molecular Systems with Pendant Bis(pentafluorophenyl)boryl Groups: From Intramolecular CH-Activation to Heterolytic Dihydrogen Splitting. In: Hill M., Herrmann C., Spies P., Kehr G., Bergander K., Fröhlich R., Erker G., editors. : Activating Unreactive Substrates: The Role of Secondary Interactions. 0th Ed. : John Wiley & Sons. pp. 209–230. doi: 10.1002/9783527625468.ch12.
    • Steinle A., Bergander K., Steinbüchel A. Metabolic engineering of Saccharomyces cerevisiae for production of novel cyanophycins with an extended range of constituent amino acids.' Applied and Environmental Microbiology. ; 75(11): 3437–3446. doi: 10.1128/AEM.00383-09.
    • Klare H., Bergander K., Oestreich M. Taming the silylium ion for low-temperature diels-alder reactions.' Angewandte Chemie International Edition. ; 48(48): 9077–9079. doi: 10.1002/anie.200904520.

    • Fehling E., Klein E., Vosmann K., Bergander K., Weber N. Linear copolymeric poly(thia-alkanedioates) by lipase-catalyzed esterification and transesterification of 3,3′-thiodipropionic acid and its dimethyl ester with α,ω-alkanediols.' Biotechnology and Bioengineering. ; 99(5): 1074–1084. doi: 10.1002/bit.21704.
    • Huber D., Kehr G., Bergander K., Fröhlich R., Erker G., Tanino S., Ohki Y., Tatsumi K. Heterolytic cleavage of dihydrogen by frustrated Lewis Pairs derived from α-(dimesitylphosphino)ferrocenes and B(C6F5) 3.' Organometallics. ; 27(20): 5279–5284. doi: 10.1021/om800339c.
    • Lange H., Bergander K., Fröhlich R., Kehr S., Nakamura S., Shibata N., Toru T., Hoppe D. Highly enantioselective reactions of configurationally labile epimeric diamine complexes of lithiated S-benzyl thiocarbamates.' Chemistry - An Asian Journal. ; 3(1): 88–101. doi: 10.1002/asia.200700262.
    • Ghavtadze N., Fröhlich R., Bergander K., Würthwein E. Superelectrophilic intermediates in the synthesis of novel indenole derivatives via 1,5-cyclization reactions of 5-aryl-1-azapenta-1,4-dien-3-ones.' Synthesis. ; 2008(21): 3397–3406. doi: 10.1055/s-0028-1083188.
    • Becker J., Bergander K., Fröhlich R., Hoppe D. Asymmetric total synthesis and X-ray crystal structure of the cytotoxic marine diterpene (+)-vigulariol.' Angewandte Chemie International Edition. ; 47(9): 1654–1657. doi: 10.1002/anie.200704678.

    • Lyaskovskyy V., Bergander K., Fröhlich R., Würthwein E. Novel synthesis of azepine derivatives via copper-mediated cyclization of 2-Aza-hepta-2,4-dien-6-ynyl anions. Intramolecular addition of organocopper centers to the C-C triple bond.' Organic letters. ; 9(6): 1049–1052. doi: 10.1021/ol063081y.
    • Chen Y., Redlich H., Bergander K., Fröhlich R. D-Glucosamine trimethylene dithioacetal derivatives: Formation of six- and seven-membered ring amino carbasugars. Synthesis of (-)-calystegine B 3.' Organic and Biomolecular Chemistry. ; 5(20): 3330–3339. doi: 10.1039/b711112f.
    • Brühl L., Matthäus B., Fehling E., Wiege B., Lehmann B., Luftmann H., Bergander K., Quiroga K., Scheipers A., Frank O., Hofmann T. Identification of bitter off-taste compounds in the stored cold pressed linseed oil.' Journal of Agricultural and Food Chemistry. ; 55(19): 7864–7868. doi: 10.1021/jf071136k.
    • Sonawane R., Mück-Lichtenfeld C., Fröhlich R., Bergander K., Hoppe D. Highly diastereoselective lithiation and substitution of an (S)-prolinyl thiocarbamate via sterically homogeneous lithio(thiocarbamate): Synthesis of enantiomerically pure prolinethiols.' Chemistry - A European Journal. ; 13(22): 6419–6429. doi: 10.1002/chem.200601853.
    • Spies P., Erker G., Kehr G., Bergander K., Fröhlich R., Grimme S., Stephan D. Rapid intramolecular heterolytic dihydrogen activation by a four-membered heterocyclic phosphane-borane adduct.' Chemical communications. ; null(47): 5072–5074. doi: 10.1039/b710475h.

    • Weber N., Bergander K., Fehling E., Klein E., Vosmann K., Mukherjee K. Copolymeric polythioesters by lipase-catalyzed thioesterification and transthioesterification of α,ω-alkanedithiols.' Applied Microbiology and Biotechnology. ; 70(3): 290–297. doi: 10.1007/s00253-005-027-5.
    • Ullrich M., Mitzel N., Bergander K., Fröhlich R. Organoaluminium complexes with sterically demanding oximato ligands: Does a bulky and rigid ligand backbone change the aggregation motif?' Dalton Transactions. ; 2006(5): 714–721. doi: 10.1039/b509511e.
    • Malkowsky I., Rommel C., Wedeking K., Fröhlich R., Bergander K., Nieger M., Quaiser C., Griesbach U., Pütter H., Waldvogel S. Facile and highly diastereoselective formation of a novel pentacyclic scaffold by direct anodic oxidation of 2,4-dimethylphenol.' European Journal of Organic Chemistry. ; 2006(1): 241–245. doi: 10.1002/ejoc.200500517.
    • Paradies J., Greger I., Kehr G., Erker G., Bergander K., Fröhlich R. Formation of an organometallic ladderane derivative by dynamic topochemical reaction control.' Angewandte Chemie International Edition. ; 45(45): 7630–7633. doi: 10.1002/anie.200601592.

    • Shendage D., Fröhlich R., Bergander K., Haufe G. Asymmetric synthesis of γ-fluorinated α-amino acid derivatives.' European Journal of Organic Chemistry. ; 2005(4): 719–727. doi: 10.1002/ejoc.200400665.
    • Ullrich, M; Mitzel, NW; Bergander, K; Fröhlich, R. Organoaluminium complexes with sterically demanding oximato ligands:: does a bulky and rigid ligand backbone change the aggregation motif?' Dalton Transactions. ; 2006(5). doi: 10.1039/b509511e.
    • Tian X., Woski M., Lustig C., Pape T., Fröhlich R., Van Le D., Bergander K., Mitzel N. N,N-diisopropylaminomethyllithium: Synthesis, oxidative degradation, and organoaluminum and -gallium derivatives.' Organometallics. ; 24(1): 82–88. doi: 10.1021/om049631i.

    • Seidel W., Ibarra Arias M., Schaffrath M., Bergander K. A neutral tungsten-η2-alkyne-1-thio ligand forming a homoleptic Werner type complex with Cu(I).' Dalton Transactions. ; null(14): 2053–2054. doi: 10.1039/b404821k.
    • Hannig F., Fröhlich R., Bergander K., Erker G., Petersen J. Structural and spectroscopic evidence for intramolecular agostic M⋯H-C and dative Zr←-F-C(ortho) interactions in the zwitterionic metal complexes [(C 5H 4)SiMe 2(N-t-Bu)]M(+)(μ-C 4H 6)B(-)(C 6F 5) 3, M = Ti, Zr.' Organometallics. ; 23(19): 4495–4502. doi: 10.1021/om040057k.

    • Chankvetadze B., Lomsadze K., Burjanadze N., Breitkreutz J., Pintore G., Chessa M., Bergander K., Blaschke G. Comparative enantioseparations with native β-cyclodextrin, randomly acetylated β-cyclodextrin and heptakis-(2,3-di-O-acetyl β-cyclodextrin in capillary electrophoresis.' Electrophoresis. ; 24(6): 1083–1091. doi: 10.1002/elps.200390126.
    • Döring S., Kotov V., Erker G., Kehr G., Bergander K., Kataeva O., Fröhlich R. Synthesis and dynamic features of (chloro)zirconocene cations stabilised by pendant (diarylphosphanyl)alkyl and (dimethylamino)alkyl substituents at their cyclopentadienyl ring systems.' European Journal of Inorganic Chemistry. ; 2003(8): 1599–1607. doi: 10.1002/ejic.200390210.
    • Vagedes D., Erker G., Kehr G., Bergander K., Kataeva O., Fröhlich R., Grimme S., Mück-Lichtenfeld C. Tris(pentafluorophenyl)borane adducts of substituted imidazoles: Conformational features and chemical behavior upon deprotonation.' Dalton Transactions. ; 2003(7): 1337–1344. doi: 10.1039/b210030b.
    • Kramer B., Fröhlich R., Bergander K., Waldvogel S. The O-substitution pattern of the MoCl5-mediated oxidative aryl-aryl coupling reaction.' Synthesis. ; 34(15): 91–96. doi: 10.1002/chin.200315104.
    • Schopohl M., Bergander K., Kataeva O., Fröhlich R., Waldvogel S. Synthesis and Characterization of Enantiomerically Pure Menthylamines and Their Isocyanates.' Synthesis. ; null(17): 2689–2694. doi: 10.1002/chin.200415177.

    • Chankvetadze B., Burjanadze N., Bergander K., Blaschke G. Enantioseparation of glutethimide and its 5-OH-metabolite in capillary electrophoresis and study of selector-selectand interactions using one-dimensional rotating frame nuclear Overhauser and exchange spectroscopy.' Electrophoresis. ; 23(12): 1906–1911.
    • Dreier T., Hannig F., Erker G., Bergander K., Fröhlich R. Conformational features of a furyl-substituted bis(tetrahydroindenyl)zirconium dichloride system.' Journal of Physical Organic Chemistry. ; 15(8): 582–589. doi: 10.1002/poc.524.
    • Chankvetadze B., Burjanadze N., Maynard D., Bergander K., Bergenthal D., Blaschke G. Comparative enantioseparations with native β-cyclodextrin and heptakis-(2-0-methyl-3,6-di-O-sulfo)-β-cyclodextrin in capillary electrophoresis.' Electrophoresis. ; 23(17): 3027–3034.
    • Tamm M., Baum K., Lügger T., Fröhlich R., Bergander K. Chelate complexes of functionalized cycloheptatrienyl ligands: 17- And 18-Electron molybdenum complexes with linked cycloheptatrienyl-phosphane ligands and their use in transition metal catalysis.' European Journal of Inorganic Chemistry. ; null(4): 918–928. doi: 10.1002/1099-0682(200203)2002:4%3C918::AID-EJIC918%3E3.0.CO;2-E.
    • Chankvetadze B., Burjanadze N., Breitkreutz J., Bergander K., Bergenthal D., Kataeva O., Fröhlich R., Luftmann H., Blaschke G. Mechanistic study on the opposite migration order of the enantiomers of ketamine with α- and β-cyclodextrin in capillary electrophoresis.' Journal of Separation Science. ; 25(15-17): 1155–1166.

    • Chankvetadze B., Lomsadze K., Bergenthal D., Breitkreutz J., Bergander K., Blaschke G. Mechanistic study on the opposite migration order of clenbuterol enantiomers in capillary electrophoresis with β-cyclodextrin and single-isomer heptakis(2,3-diacetyl-6-sulfo)-β-cyclodextrin.' Electrophoresis. ; 22(15): 3178–3184.
    • Lütke-Eversloh T., Bergander K., Luftmann H., Steinbüchel A. Identification of a new class of biopolymer: Bacterial synthesis of a sulfur-containing polymer with thioester linkages.' Microbiology. ; 147(1): 11–19. doi: 10.1099/00221287-147-1-11.
    • Lütke-Eversloh T., Bergander K., Luftmann H., Steinbüchel A. Biosynthesis of poly(3-hydroxybutyrate-co-3-mercaptobutyrate) as a sulfur analogue to poly(3-hydroxybutyrate) (PHB).' Biomacromolecules. ; 2(3): 1061–1065. doi: 10.1021/bm015564p.
    • Von Wallbrunn C., Luftmann H., Bergander K., Meinhardt F. Phytotoxic chaetoglobosins are produced by the plant pathogen Calonectria morganii (anamorph Cylindrocladium scoparium).' Journal of General and Applied Microbiology. ; 47(1): 33–38. doi: 10.2323/jgam.47.33.
    • Dreir T., Bergander K., Wegelius E., Fröhlich R., Erker G. Structural and dynamic features of bis[2-(2-furyl)indenyl]zirconium derivatives.' Organometallics. ; 20(24): 5067–5075. doi: 10.1021/om0104518.
    • Göttker-Schnetmann I., Aumann R., Bergander K. Organic synthesis via transition metal complexes. 112. Reactivity enhancement of group VI Fischer carbene complexes by copper and rhodium catalysts: Experimental proof of a carbene rhodium complex as an intermediate.' Organometallics. ; 20(16): 3574–3581. doi: 10.1021/om0103207.

    • Chankvetadze B., Pintore G., Burjanadze N., Bergenthal D., Bergander K., Breitkreuz J., Mühlenbrock C., Blaschke G. Mechanistic study of opposite migration order of dimethindene enantiomers in capillary electrophoresis in the presence of native β-cyclodextrin and heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin.' Journal of Chromatography A. ; 875(1-2): 455–469. doi: 10.1016/S0021-9673(00)00146-1.
    • Dahlmann M., Erker G., Bergander K. Experimental characterization of the alkene-addition/-insertion energy profile at homogeneous group 4 metal ziegler-type catalysts.' Journal of the American Chemical Society. ; 122(33): 7986–7998. doi: 10.1021/ja0005338.
    • Tamm M., Dressel B., Fröhlich R., Bergander K. Complexes containing the heptadentate cogwheel C7Me7: Synthesis and structural characterization of heptamethylcycloheptatrienyl (CHT*) tungsten complexes.' Chemical communications. ; null(18): 1731–1732.
    • Fauré J., Erker G., Fröhlich R., Bergander K. 2-[ethyl-(2-methallyl)amino]indenyllithium: Structural characterization of a base-free oligomeric supersandwich indenyllithium compound.' European Journal of Inorganic Chemistry. ; 2000(12): 2603–2606.
    • Chankvetadze B., Fillet M., Burjanadze N., Bergenthal D., Bergander K., Luftmann H., Crommen J., Blaschke G. Enantioseparation of aminoglutethimide with cyclodextrins incapillary electrophoresis and studies of selector-selectand interactions using NMR spectroscopy and electrospray ionization mass spectrometry.' Enantiomer. ; 5(3-4): 313–322.
    • Chankvetadze B., Burjanadze N., Pintore G., Bergenthal D., Bergander K., Mühlenbrock C., Breitkreuz J., Blaschke G. Separation of brompheniramine enantiomers by capillary electrophoresis and study of chiral recognition mechanisms of cyclodextrins using NMR-spectroscopy, UV spectrometry, electrospray ionization mass spectrometry and X-ray crystallography.' Journal of Chromatography A. ; 875(null): 471–484. doi: 10.1016/S0021-9673(00)00153-9.

    • Strauch H., Bergander K., Kehr G., Fröhlich R., Erker G. Group 5 metal complexes with cyclooctatetraene: Formation and characterization of (butadiene)(cyclooctatetraene)(cyclopentadienyl)tantalum systems.' European Journal of Inorganic Chemistry. ; null(9): 1461–1466.
    • Wonnemann J., Oberhoff M., Erker G., Fröhlich R., Bergander K. Group-4 metallocene cation complexes of oligopeptides: Reaction of [Cp2ZrCH3(THF)+BPh4 -] with Boc-protected di- and tripepride esters.' European Journal of Inorganic Chemistry. ; 1999(7): 1111–1120.
    • Gigante B., Santos C., Fonseca T., Curto M., Luftmann H., Bergander K., Berberan-Santos M. Diels-Alder adducts of C-60 and resin acid derivatives: Synthesis, electrochemical and fluorescence properties.' Tetrahedron. ; 55(19): 6175–6182. doi: 10.1016/S0040-4020(99)00262-8.

    • Jacobsen H., Berke H., Brackemeyer T., Eisenblätter T., Erker G., Fröhlich R., Meyer O., Bergander K. Comparison of Characteristic Structural Features among the Triade of Tris(cyclopentadienyl)(Group-4 Metal) Complex Cations: A Combined Theoretical and Experimental Study.' Helvetica Chimica Acta. ; 81(9): 1692–1709. doi: 10.1002/(SICI)1522-2675(19980909)81:9<1692::AID-HLCA1692>3.0.CO;2-X.
    • Karl J., Dahlmann M., Erker G., Bergander K. Arriving at an experimental estimate of the intrinsic activation barrier of olefin insertion into the Zr-C bond of an active metallocene ziegler catalyst.' Journal of the American Chemical Society. ; 120(23): 5643–5652. doi: 10.1021/ja9743809.
    • Temme O., Dickner T., Laschat S., Fröhlich R., Kotila S., Bergander K. Synthesis of Azapolycyclic Systems Based on the Indolizino[3,4-b]quinoline Skeleton - A Diastereoselective Entry to Potential Oligodentate Artificial Receptors.' European Journal of Organic Chemistry. ; 29(29): 651–659. doi: 10.1002/chin.199829176.
    • Döring S., Erker G., Fröhlich R., Meyer O., Bergander K. Reaction of the lewis acid tris(pentafluorophenyl)borane with a phosphorus ylide: Competition between adduct formation and electrophilic and nucleophilic aromatic substitution pathways.' Organometallics. ; 17(11): 2183–2187. doi: 10.1021/om9709953.

    • Monsees A., Laschat S., Hotfilder M., Wolff J., Bergander K., Terfloth L., Fröhlich R. Synthesis and in vitro cytotoxic activity of novel hexahydro-2H-pyrido[1,2-b]isoquinolines against human brain tumor cell lines.' Bioorganic and Medicinal Chemistry Letters. ; 7(23): 2945–2950. doi: 10.1016/S0960-894X(97)10114-7.

    • Bergander K., He R., Chandrakumar N., Eppers O., Günther H. NMR spectroscopy of organolithium compounds, Part XVI. The aggregation behavior of butyllithium, phenyllithium, and lithium diisopropylamide in dimethoxy- and diethoxymethane.' Tetrahedron. ; 50(20): 5861–5868. doi: 10.1016/S0040-4020(01)90441-7.

    • Mons H., Bergander K., Günther H. Selective 2H, 2H 1D‐TOCSY NMR spectroscopy for signal assignment in perdeuteriated compounds.' Magnetic Resonance in Chemistry. ; 31(5): 509–511. doi: 10.1002/mrc.1260310517.
    • Mons H., Bergander K., Günther H. The 2H,2H‐INADEQUATE experiment: Detection of One‐ and Two‐Spin Double Quantum Coherences.' Helvetica Chimica Acta. ; 76(3): 1216–1218. doi: 10.1002/hlca.19930760308.

  • Ingo Gutowski

    Dipl. Ing. (FH)
    © Ingo Gutowski
    Dipl. Ing. (FH)
    Room 012, 013 (Iso-Trakt)
    T: +49 251 83 36509
    gutowski@uni-muenster.de

  • Timon Reckmann

    Chemielaborant
    © Uni MS - Peter Dziemba
    Chemielaborant
    Room 014, 015 (Iso-Trakt)
    T: +49 251 83 39773
    timon.reckmann@uni-muenster.de

    New coworker in the NMR department from 1st october 2021.

    Welcome!

  • Corinna Heusel

    wiss. Hilfskraft
    © Heusel
    wiss. Hilfskraft
    T: +49 251 83 33212
    corinna.heusel@uni-muenster.de

  • Karin Voß

    © Karin Voß

    Karin Voß went after a long  employment in september 2021 into retirement.

    On behalf of all coworkers of the Organic Chemistry many thanks for your excellent cooperation!