Dual-Wavelength Gated oxo-Diels-Alder Photoligation

Marc Villabona, Sandra Wiedbrauk, Florian Feist, Gonzalo Guirado, Jordi Hernando*, Christopher Barner-Kowollik

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)


The control of chemical functionalization with orthogonal light stimuli paves the way toward manipulating materials with unprecedented spatiotemporal resolution. To reach this goal, we herein introduce a photochemical reaction system that enables two-color control of covalent ligation via an oxo-Diels-Alder cycloaddition between two separate light-responsive molecular entities: a UV-activated photocaged diene based on ortho-quinodimethanes and a carbonyl dienophile appended to a diarylethene photoswitch, whose reactivity can be modulated upon illumination with UV and visible light.

Original languageEnglish
Pages (from-to)2405-2410
Number of pages6
Issue number7
Publication statusPublished - 23 Feb 2021


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