Redox-Controlled Shunts in a Synthetic Chemical Reaction Cycle
Anastasiia Sharko (University of Strasbourg)
Benjamin Spitzbarth (TU Delft - ChemE/Advanced Soft Matter)
Thomas M. Hermans (University of Strasbourg)
R Eelkema (TU Delft - ChemE/Advanced Soft Matter)
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Abstract
Shunts, alternative pathways in chemical reaction networks (CRNs), are ubiquitous in nature, enabling adaptability to external and internal stimuli. We introduce a CRN in which the recovery of Michael-accepting species is driven by oxidation chemistry. Using weak oxidants can enable access to two shunts within this CRN with different kinetics and a reduced number of side reactions compared to the main cycle that is driven by strong oxidants. Furthermore, we introduce a strategy to recycle one of the main products under flow conditions to partially reverse the CRN and control product speciation throughout time. These findings introduce new levels of control over artificial CRNs, driven by redox chemistry, narrowing the gap between synthetic and natural systems.
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