Humboldt-Universität zu Berlin - Faculty of Mathematics and Natural Sciences - Ray Group

Katrin Warm

Dr. rer. nat. Katrin Warm




Previous research topic

Mechanistic studies of oxygen activation with bioinspired transition metal complexes.


  1. "Modelling the coordination environment in α-ketoglutarate dependent oxygenases – a comparative study of the effect of N- vs O-ligation"
    K. Warm, D. Kass, M. Haumann, H. Dau, K. Ray, Z. Anorg. Allg. Chem. 2022, 648, e202100310.
    DOI: 10.1002/zaac.202100310

  2. "Spectroscopic characterization of a reactive [Cu2(µ-OH)2] intermediate in Cu/TEMPO catalyzed aerobic alcohol oxidation reaction"
    K. Warm, G. Tripodi, E. Andris, S. Mebs, U. Kuhlmann, H. Dau, P. Hildebrandt, J. Roithová, K. Ray, Angew. Chem. Int. Ed. 202160, 23018-23024.
    DOI: 10.1002/anie.202108442

  3. "Stable, but still reactive - investigations on the effects of Lewis acid binding on copper nitrene intermediates"
    K. Warm, I. Monte-Pérez, U. Kuhlmann, P. Hildebrandt, E. Farquhar, M. Swart, K. Ray, Z. Anorg. Allg. Chem. 2021, 647, 1495-1502.
    DOI: 10.1002/zaac.202100092

  4. "A Pseudotetrahedral Terminal Oxoiron(IV) Complex: Mechanistic Promiscuity in C–H bond Oxidation Reactions"
    K. Warm, A. Paskin, U. Kuhlmann, E. Bill, M. Swart, M. Haumann, H. Dau, P. Hildebrandt, K. Ray, Angew. Chem. Int. Ed. 2021, 60, 6752-6756.
    DOI: 10.1002/anie.202015896

  5. "Metal-Ligand Multiple Bonds with Group 9-11 Metals" (Buchkapitel)
    K. Warm, J. Deutscher, K. Ray, Comprehensive Coordination Chemistry III, Vol. 6, dritte Auflage, Elsevier Verlag 2021, S. 171-187.
    ISBN: 9780081026885

  6. "The influence of secondary interactions on the [Ni(O2)]+ mediated aldehyde oxidation reactions"
    B. Battistella, K. Warm, B. Cula, B. Lu, S. Mebs, U. Kuhlmann, H. Dau, P. Hildebrandt, K. Ray, J. Inorg. Biochem. 2021, 227, 111668.
    DOI: 10.1016/j.jinorgbio.2021.111668

  7. "A Bioinspired Oxoiron(IV) Motif Supported on a N2S2 Macrocyclic Ligand"
    J. Deutscher, P. Gerschel, K. Warm, U. Kuhlmann, S. Mebs, M. Haumann, H. Dau, P. Hildebrandt, U.-P. Apfel, K. Ray, Chem. Comm. 2021, 57, 2947-2950,
    DOI: 10.1039/D1CC00250C

  8. "Stoichiometric Formation of an Oxoiron(IV) Complex by a Soluble Methane Monooxygenase Type Activation of O2 at an Iron(II)-Cyclam Center"
    D. Kass, T. Corona, K. Warm, B. Braun-Cula, U. Kuhlmann, E. Bill, S. Mebs, M. Swart, H. Dau, M. Haumann, P. Hildebrandt, K. Ray, J. Am. Chem. Soc. 2020, 142, 5924–5928,
    DOI: 10.1021/jacs.9b13756

  9. "Trapping of a Highly Reactive Oxoiron(IV) Complex in the Catalytic Epoxidation of Olefins by Hydrogen Peroxide"
    X. Engelmann, D. D. Malik, T. Corona, K. Warm, E. R. Farquhar, M. Swart, W. Nam, K. Ray, Angew. Chem. 2019, 131, 4052-4056. 
    DOI: 10.1002/anie.201812758

  10. "Sulfur substitution in a Ni(cyclam) derivative results in lower overpotential for CO2 reduction and enhanced proton reduction"
    P. Gerschel, K. Warm, E. R. Farquhar, U. Englert, M. L. Reback, D. Siegmund, K. Ray, U.-P. Apfel, Dalton Trans. 2019, 48, 5923-5932. 
    DOI: 10.1039/c8dt04740e

  11. "Water Oxidation Reaction Mediated by an Octanuclear Iron-Oxo Cluster"
    J. Deutscher, T. Corona, K. Warm, X. Engelmann, S. Sobottka, B. Braun-Cula, B. Sarkar,
    K. Ray, Eur. J. Inorg. Chem. 2018, 45, 4925–4929.
    DOI: 10.1002/ejic.201800269

  1. Koordinationschemietreffen 2020 in Freiburg (presentation)
  2. 3rd Small Molecule Activation Conference 2019 in Nassau, Bahamas (poster presentation)
  3. ECOSTBio Final Scientific Workshop 2018 in Erkner (presentation)
  4. Koordinationschemietreffen 2018 in Heidelberg (presentation)
  5. Koordinationschemietreffen 2017 in Potsdam (poster presenation)