Researchers have been able to substantially improve photoclick chemistry. They were able to boost the reactivity of the photoclick compound in the popular PQ-ERA reaction through strategic molecular substitution. They now report a superb photoreaction quantum yield, high reaction rates and notable oxygen tolerance.
In a cooperation between the Universities of Groningen and Amsterdam and the European Laboratory for Non-Linear Spectroscopy , researchers have been able to substantially improve photoclick chemistry. They were able to boost the reactivity of the photoclick compound in the popular PQ-ERA reaction through strategic molecular substitution. In, the flagship journal of the Royal Society of Chemistry, they report a superb photoreaction quantum yield, high reaction rates and notable oxygen tolerance.
At the University of Amsterdam, Michiel Hilbers and Wybren Jan Buma of the Molecular Photonics group contributed to the research of which the synthetic and reaction characterization part was conducted in the laboratories of Wiktor Szymanski and Nobel laureate Ben Feringa at the University of Groningen.
Photoclick chemistry is a light-activated variety of click chemistry , a set of elegant and efficient chemical reaction methods that couple dedicated molecular units to yield desired products. Photoclick chemistry has unique advantages over conventional click chemistry as it allows for a high degree of both spatial and temporal control over the reaction. It has a broad range of applications, including 3D printing, protein labelling, and bioimaging.
In the study now presented in Chemical Science, the international research team presents a simple strategy to change that. They describe how a thiophene substitution at the 3-position of the PQ scaffold significantly boosts the reactivity of the PQ triplet state to enhance the efficiency of the PQ-ERA reaction.
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