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RSC Desktop Seminar with Chemical Science

1 September 2020 10:00-11:30, United States

Welcome to the latest RSC Desktop Seminars, sponsored by Chemical Science, ChemComm and Chem Soc Rev. Each session will highlight two speakers, one journal board member and an early career researcher who has published in the journal.
Join Steve Goldup, Professor of Chemistry at University Southampton and Associate Editor of Chemical Science, and Dr. Fabien Cougnon, Research Associate in the Department of Organic Chemistry at University of Geneva, to hear about their latest work.

This 90-minute seminar will allow researchers of all professional levels to connect and share ideas and ask questions.


Professor Steve Goldup
“Mechanically Chiral Molecules: Synthesis and Applications”    

Interlocked molecules can display forms of stereochemistry that do not rely on classical covalent stereogenic units, including many examples that have yet to be realised in chemical form. We have pioneered the use of a “small” macrocycle, mediated active template reaction in combination with covalent chiral auxiliaries in order to allow the synthesis of mechanically planar chiral rotaxanes, and topologically chiral catenanes. In this lecture I will describe our recent efforts to improve access to these intriguing molecules, and their applications in enantioselective sensing and catalysis. 

Dr. Fabien Cougnon
“The synthesis and unexpected behaviour of knotted molecules”   

The synthesis of topologically complex molecules has challenged chemists for the past 30 years. In this talk, I will describe an innovative strategy that exploits the hydrophobic effect to direct the formation of topologically complex molecules. In comparison to previously reported approaches, this strategy is particularly easy to implement and has already allowed access to several knots and links.
This work is driven by the hypothesis that the topology of a macromolecule controls its function and can thus be used to address key challenges in chemical biology and material sciences (e.g. selective molecular recognition, effective information and electron transfer, etc.). Here, I will describe how topology can alter the properties of molecules in unexpected ways, especially in the context of molecular recognition.

Programme - please note all timings are EDT

10:00 - Introduction
10.10 - Professor Steve Goldup
10.50 - Dr. Fabien Cougnon
11:10 - Questions and discussion
11.30 - Closing remarks
Professor Steve Goldup, University of Southampton, United Kingdom

Steve obtained an MChem degree from the University of Oxford where he began his research career with a Part II project in the group of Sir Prof. Jack Baldwin. He continued his research training with a PhD in natural product synthesis under the supervision of Prof. Tony Barrett before shifting focus to apply his synthetic skills to the realisation of mechanically interlocked non-natural products during post doctoral work with Prof. David Leigh at the University of Edinburgh where in 2007 he was appointed as Fixed Term Lecturer in Organic Chemistry. In 2008 he moved to Queen Mary with the award of a Leverhulme Trust Early Career Fellowship and in October 2009 he was awarded a Royal Society University Research Fellowship. In October 2014 the group moved to the University of Southampton where Steve took up the position of Associate Professor. In August 2017, Steve was promoted to Professor of Chemistry and in 2019 was awarded a Royal Society Wolfson Research Fellowship. Research in the Goldup Group focusses on the synthesis of novel mechanically interlocked molecules and their application as sensors, catalysts and materials.

Dr. Fabien Cougnon, University of Geneva, Switzerland

I obtained a PhD in supramolecular chemistry from the University of Cambridge (UK) under the supervision of Prof. Jeremy K.M. Sanders, working on the dynamic combinatorial synthesis of donor-acceptor catenanes. I then pursued a postdoc in the group of Prof. Elizabeth M. Nolan at MIT (USA) on the chemistry underlying the human innate immune response and host–pathogen interaction. In December 2015, I was awarded a Swiss National Foundation Ambizione fellowship to start my independent career at the University of Geneva (Switzerland). My group is interested in synthesizing molecular knots and using them to address key challenges in chemical biology and material sciences.

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