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The Hohloch Group
Non-classical Carbenes and Macrocyclic Systems

Welcome to the Homepage of the Hohloch Research Group.

We are interested in the synthesis of new, functional organometallic compounds und their applications in chemical and physical processes. Special emphasis is laid on the connection between the electronic and spectroscopic properties of a metal complex with its general reactivity. Understanding this interplay enables us to design tailor made metal complexes for a plethora of applications, including small molecule activation, single molecule magnetism and catalysis. To reach these goals, focus is put especially on the use of "non-classical" N-heterocyclic carbenes, such as cyclic alkyl amino carbenes (CAACs) and mesoionic carbenes (MICs). Another class of ligands that will be extensively used in our research will be macrocyclic ligands, including Tetramethyltetraazaannulene (TMTAA) or Norcorroles. On the metal side, we plan to focus on 3d transition metals (Sc - Zn) as well ason the lanthanides (La - Lu).

→ further information can be found here.

Interested in a bachelor, master or Ph.D. thesis? We are always searching for highly motivated chemists to enrich and enlarge our group. Just mail "the boss".



New paper accepted in Organometallics focussing on the reactivity and stability of high valent molybdenum NHC complexes.

Thanks to Marc, Fabian and Roland for all your efforts and the energy you have put into this project.

A link to the manuscript is about to follow.

The article will also be highlighted as a Supplementory Cover Image in one of the upcoming issues of Organometallics. Well done!

15.09.2019 Fabian attended the Wissenschaftsforum in Aachen presenting a Poster on the reactivity of lanthanum complexes with priamry and tertiary phosphines. Thank you for this amazing work and for spreading our chemistry around Germany and the World.

New paper online in Dalton Transactions focussing on the use of mesoionic carbenes in early transition metal chemistry.

Thanks to Marc, Fabian, Roland, Christoph and Adam for the wonderful collaboration and the effort you have put into this work.!divAbstract

The article will also be highlighted on the outside front cover of Dalton Transactions in one of the upcoming issues. Well done!

01.04.2019 Athul Krishna from IISER Thiruvananthapuram has started his PhD thesis in our group! We are looking forward to all the great chemistry you are going to produce and wish you a good start and good luck for your time here!
15.01.2019 Stephan was elected as a member of the Young Academy (Junges Kolleg) of the Northrhine-Westfalian Academy of Science, Humanities and the Arts.
31.10.2018 Open PhD position!

The Hohloch group has an open PhD position in the field of "Small molecule acitivation and catalysis using niobium and molybdenumcomplexes with redox active NHC ligands". Highly motivated students are welcom to send their applications to Stephan.
10.10.2018 Our collaboration with the Arnold Group, Lawrence Berkeley NAtional Laboratory and Laurent Maron on "non-innocence" in uranium TMTAA complexes has been accepted for publication in Angewandte Chemie. DOI: 10.1002/201810971.

Big thanks to Mary, Corwin, Wayne, Colin, Daniel, Laurent und John for the all the patience and energy you have put into this work!

01.10.2018 Marc Baltrun is leaving Paderborn and the Hohloch group to continue his master studies at the University of Heidelberg. Thanks for the great time Marc and all the best for your future.
14.06.2018 We got a grant from the "Fonds der chemischen Industrie". Thanks for the support!
11.04.2018 New research paper with the Arnold group: Thanks a lot to Bernhard, James, Zhicheng, Jason, Lingfeng and John for including me on this great paper:
30.03.2018 Marc Baltrun defended his Bachelor thesis. Good job Marc and thanks for the wonderful work!
01.03.2018 The group was awarded the Daimler and Benz Fellowship.
01.02.2018 New papers online. Bis thanks to Mark, Mary, Micheal, Bernhard, Stefan, Trevor, Brighton and John for the wonderful collaboration.
01.12.2017 Fabian Watt joins the group for his PhD thesis. Welcome to the team and good luck.
29.09.2017 New papers online. Overal four new papers on the chemistry of thorium and uranium have been published within the last two months. Thanky oyu James, Mary, Trevor, Esther,Bernard, Daniel, Corwin, Jason and John for this outstanding work.
23.05.2017 We have open positions for bachelor / master or PhD candidates. If you are interested, please write Stephan.
10.05.2017 The new homepage is online
01.03.2017 The Hohloch Group was founded at the University of Paderborn


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