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Dr. Joshua Heck

Dr. Joshua Heck

  • Office
    38C 131

Research interests


– Circular Economy – Depolymerization Chemistry

– Development of efficient catalytic system

– Synthesis of organic and inorganic compounds

– Combining both experimental and computational techniques

– Analytic techniques: NMR, MS, GC, GC-MS, SC-XRD, IR










Curriculum vitae and education



November 2023 – present

Postdoctoral researcher at CAT Catalytic Center, ITMC, RWTH-Aachen, Germany.


June 2019 – August 2023

PhD student at Institute of Inorganic Chemistry, RWTH Aachen University with Prof. Dr. Herres-Pawlis.

Title: Studies on novel copper guanidine quinoline complexes: examination of the substituent influence on the properties and ability as entatic state models for the electron transfer


October 2016 – January 2019

Chemistry studies (Master) at RWTH Aachen University.

Master thesis with Prof. Dr. Herres-Pawlis.


October 2013 – April  2016

Chemistry studies (Bachelor) at RWTH Aachen University.

Bachelor thesis with Prof. Dr. Herres-Pawlis.



Selected publications


01) Next Generation of Zinc Bisguanidine Polymerization Catalysts towards Highly Crystalline, Biodegradable Polyesters

  1. Hermann, S. Hill, A. Metz, J. Heck, A. Hoffmann, L. Hartmann, S. Herres-Pawlis, Angew. Chem. Int. Ed. 2020, 59, 21778.


02) Manipulating electron transfer – the influence of substituents on novel copper guanidine quinolinyl complexes

  1. Heck, F. Metz, S. Buchenau, M. Teubner, B. Grimm-Lebsanft, T. P. Spaniol, A. Hoffmann, M. A. Rübhausen, S. Herres-Pawlis, Chem. Sci. 2022, 13, 8274.


03) Geometrical benchmarking and analysis of redox potentials of copper(I/II) guanidine-quinoline complexes: Comparison of semi-empirical tight-binding and DFT methods and the challenge of describing

the entatic state (part III)

  1. Raßpe-Lange, A. Hoffmann, C. Gertig, J. Heck, K. Leonhard, S. Herres-Pawlis, J. Comput. Chem. 2023, 44, 319.


04) Triflate vs. Acetonitrile: Understanding the Iron(II) based Coordination Chemistry of Tri(quinolin-8-yl)amine

  1. M. Hüppe, L. Iffland-Mühlhaus, J. Heck, M. Eilers, H. Gildenast, S. Schönfeld, A. Dürrmann, A. Hoffmann, B. Weber, U.-P. Apfel, S. Herres-Pawlis, Inorg. Chem. 2023, 62, 4435.


05) Understanding Structure-Activity Relationships: Iron(II) Complexes of “Legacy Guanidines” as Catalysts for the Synthesis of Polylactide

  1. Conrads, L. Burkart, S. Soerensen, S. Noichl, Y. Kara, J. Heck, A. Hoffmann, S. Herres-Pawlis, Catal. Sci. Technol. 2023, 13, 6006.