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

Florian Pfaff

Florian Pfaff

Dr. rer. nat. Florian F. Pfaff

Research Topic:

Synthesis, stabilization and characterization of high valent metal-oxo complexes as model complexes of the Taurine Dioxygenase.



  1. "Reactivity of a Nickel(II) Bis-amidate Complex with HmCPBA: Formation of a Potent Oxidizing Species:"
    T. Corona, F. F. Pfaff, F. Acuña-Parés, A. Draksharapu, C. J. Whiteoak, V. Martin-Diaconescu, J. L-Fillol, W. R. Browne, K. Ray, A. Company,* Chem. Eur. J. 2015doi: 10.1002/chem.201501841.
  2. "Spectroscopic Capture and Reactivity of a Low-Spin Cobalt(IV)-Oxo Complex Stabilized by Binding Redox-Inactive Metal Ions"
    S. Hong, F. F. Pfaff, E. Kwon, Y. Wang, M.-S. Seo, E. Bill, K. Ray, and W. Nam
    Angew. Chem. Int. Ed. 2014, 53, 10403.

  3. "Evidence of Two-State Reactivity in Alkane Hydroxylation by Lewis-acid Bound Copper-Nitrene Complexes"
    S.-L. Abram, I. Monte-Pérez, F. F. Pfaff, E. Farquhar, and K.Ray*
    Chem. Commun. 2014, 50, 9852.

  4. "Status of Reactive Non-Heme Metal-Oxygen Intermediates in Chemical and Enzymatic Reactions"
    K. Ray*, F. F. Pfaff, B. Wang, and W. Nam*
    J. Am. Chem. Soc. 2014, 136, 13942.

  5. "Redox Non-Innocence of a N-Heterocyclic Nitrenium Cation Bound to a Nickel–Cyclam Core"
    F.Heims, F. F. Pfaff, S.-L. Abram, E. R. Farquhar, M. Bruschi, C. Greco, and K. Ray*
    J. Am. Chem. Soc. 2014, 136, 582.

  6. "Access to a CuII–O–CuII Motif: Spectroscopic Properties, Solution Structure, and Reactivity"
    P. Haack, A. Kärgel, C. Greco, J. Dokic, B. Braun, F. F. Pfaff, S. Mebs, K. Ray, and C. Limberg*
    J. Am. Chem. Soc. 2013, ASAP.

  7. "Terminal oxo and imido transition metal complexes of Groups 9-11"
    K. Ray*, F. Heims, F. F. Pfaff
    Eur. J. Inorg. Chem. 2013, 22-23, 3784.

    Invited Review

  8. "A High-Valent Heterobimetallic [CuIII(μ-O)2NiIII]2+ Core with Nucleophilic Oxo Groups"

    Angew13 Cover Picture

    S. Kundu, F. F. Pfaff, E. Miceli, I. Zaharieva, C. Herwig, S. Yao, E. R. Farquhar, U. Kuhlmann, E. Bill, P. Hildebrandt, H. Dau, M. Driess*, C. Limberg*, K. Ray*
    Angew. Chem. Int. Ed. 2013, 52, 5622. OpenPaper2

    VIP, Cover Picture

  9. "Lewis-acid Trapping of an Elusive Copper-Tosylnitrene Intermediate Using Scandium Triflate"
    S. Kundu, E. Miceli, E. Farquhar, F. F. Pfaff, U. Kuhlmann, P. Hildebrandt, B. Braun, C. Greco,  K. Ray*
    J. Am. Chem. Soc. 2012, 134, 14710.
  10. "Spectroscopic capture and reactivity of S = 1/2 nickel(III)–oxygen intermediates in the reaction of a NiII-salt with mCPBA"
    F. F. Pfaff , F. Heims , S. Kundu , S. Mebs and K. Ray*
    Chem. Commun. 2012, 48, 3730.
  11. "O-O Bond Formation Mediated by a Hexanuclear Iron Complex Supported on a Stannoxane Core"
    S. Kundu, E. Matito, S. Walleck, F. F. Pfaff, F. Heims, B. Rábay, J. M. Luis, A. Company, B. Braun, T. Glaser, and K. Ray*
    Chem. Eur. J. 2012, 10, 2787.
  12. "An Oxocobalt(IV) Complex Stabilized by Lewis Acid Interactions with Scandium(III) Ions."
    F. F. Pfaff, S. Kundu, M. Risch, S. Pandian, F. Heims, I. Pryjomska-Ray, P. Haack, R. Metzinger, E. Bill, H. Dau, P. Comba, K. Ray*
    Angew. Chem. Int. Ed. 2011, 7, 1749.


Conferences Attended:

  1. "Methods in Molecular Energy Research: Theory and Spectroscopy of Transition Metal complexes", Essen, Germany, 2-9. September 2013, workshop by MPI of Chemical Energy Conversion (Mülheim a. d. Ruhr).

  2. "Tag der Chemie (TDC)", Berlin, Germany, 27. June 2013, poster presentation.

  3. "Bioinorganic Chemistry Conference 2013", Lanzarote, Spain, 19-22. February 2013, poster presentation.

  4. "UniCat Workshop - Challenges  in Molecular Catalysis", Berlin, Germany, 25-26. April 2012, poster presentation.

  5. "Tage der Forschung - Entdeckt was ihr wollt!", Berlin, Germany, 22-23. September 2011, experimental presentation.

  6. "3rd Erlangen Symposium on Redox-Active Metal Complexes: Control of Reactivity via Molecular Architecture", Erlangen, Germany, 5-8. October 2011, poster presentation.

  7. "Tag der Chemie (TDC)", Berlin, Germany, 13. July 2011, poster presentation.

  8. "Koordinationschemie-Treffen 2011", Stuttgart, Germany, 27. Feburary - 1. March 2011, oral presentation.

  9. "International Symposium on Molecular Coordination Chemistry (ISMCC)", Mülheim an der Ruhr, Germany, 7-9. November 2010, poster presentation.

  10. "Koordinationschemie-Treffen 2010", Mainz, Germany, 21-23. Feburary 2010, poster presentation.