Research interests

– Chemolysis of rigid (PUR/PIR) foams 

– Mechanistic studies of catalyzed polymer reactions

– Flame retardancy of polymeric materials

Curriculum vitae and education

June 2022 – present

Postdoctoral Fellow in the CAT Catalytic Center at ITMC, RWTH-Aachen, Germany 

April 2021- December 2021 

Postdoctoral Fellow and Lecturer at the University of Cologne for “Modern Inorganic Chemistry”; Leadership of practical courses; Supervision of bachelor- and master theses

April 2017 – April 2021

Ph.D. Student at the University of Cologne

Area: Development of Hybrid-Perovskites and Halidometallates for photovoltaic application

April 2012 – April 2017

Studies of Chemistry (Master of Science) at the University of Cologne

October 2008- April 2012

Studies of Chemistry (Bachelor of Science) at the University of Cologne

Selected publications 

1) Pursuing the Excision of Carbon-Centred Hexanuclear Scandium Clusters {CSc₆} from Solid {CSc₆}I₁₂Sc, S. Demir, W. Tyrra, S. Krakor, A. Klein, G. Meyer, Aust. J. Chem. 2022, online.

2) C‒X vs C‒H activation for the synthesis of the cyclometalated complexes [Pd(YPhbpy)X] (HPhbpy = 6-phenyl-2,2’-bipyridine; X/Y = (pseudo)halides), R. von der Stück, S. Krakor, A. Klein, Inorg. Chem. Res. 2021, 5, 173‒192.

3) Dinuclear Ni^II and Cu^II complexes of 8-(quinoline)1-H-pyrazole-3-carboxamide: crystal structure, magnetic properties, and DFT calculations, G. Mohammadnezhad, N. Ahfad, S. Meghdadi, H. Farokhpour, S. Krakor, A. Haseloer, A. Buchholz, W. Plass, A. Klein, Eur. J. Inorg. Chem. 2021, 2021, 1786–1795.

4) Fe^III, Cu^II and Zn^II Complexes of the Rigid 9-Oxido-phenalenone Ligand-Spectroscopy, Electrochemistry, and Cytotoxic Properties. K. Butsch, A. Haseloer, S. Krakor, I. Ott, J. Schur, A. Klein, Int. J. Mol. Sci. 2021, 22, 3976.

5) Dynamics of the efficient cyclometalation of the undercoordinated organoplatinum complex [Pt(COD)(neoPh)]⁺ (neoPh = 2-methyl-2-phenylpropyl) M. Neugebauer, S. Krakor, D. Brünink, N. L. Doltsinis, A. Klein, New J. Chem. 2020, 44, 19238‒19249.

6) Immobilization of [VCl₃(N-2,6-Me₂C₆H₃)] Complex on Silica Supports: Synthesis and Catalytic Testing for Ethylene Polymerization. A. Fiorentino, P. Panariti, L. v. Turnhout, M. Spronck, A. Klein, S. Schmitz, S. Rastogi, B. Blom, D. Romano, Ind. Eng. Chem. Res. 2020, 59, 12710‒12718.

7) Cu^II Complexes and Coordination Polymers with Pyridine or Pyrazine Amides and Amino Benzamides-Structures and EPR Patterns. I. Wackerbarth, N. N. A. T. Widhyadnyani, S. Krakor, K. Stirnat, K. Butsch, I. Pantenburg, G. Meyer, A. Klein, Inorganics 2020, 8, 65.

8) Controlling Nuclearity and Stereochemistry in Vanadyl(V) and Mixed Valent V(IV)/V(V) Complexes of Oxido-Pincer Pyridine-2,6-dimethanol Ligands. S. Nitsche, S. Krakor, K. Stirnat, A. Sandleben, A. Klein, Z. Anorg. Allgem. Chem. 2018, 644, 1805‒1815.

9) Reactions of the organoplatinum complex [Pt(cod)(neoSi)Cl] (neoSi = trimethylsilylmethyl) with the non-coordinating anions SbF₆^– and BPh₄^–. M. Neugebauer, S. Krakor, M. Krause, N. L. Doltsinis, A. Klein*, Open Chemistry, 2018, 16, 1214‒1226.

10) Synthesis and Antiproliferative Activity of a Series of New Platinum and Palladium Diphosphane Complexes. C. Cullinane, G. B. Deacon, P. R. Drago, A. P. Erven, P. C. Junk, J. Luu, G. Meyer, S. Krakor, I. Ott, J. Schur, L. K. Webster, A. Klein, Dalton Trans. 2018, 47, 1918–1932.