Coumarin‐Derived Caging Groups in the Spotlight: Tailoring Physiochemical and Photophysical Properties

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Abstract
The development of light‐responsive molecular tools enables spatiotemporal control of biochemical processes with superior precision. Amongst these molecular tools, photolabile caging groups are employed to prevent critical binding interactions between a bioactive molecule and its corresponding target. Only upon irradiation with light, the bioactive is released in its ‘active’ form and is now readily available to bind to its target. Coumarin‐derived caging groups constitute one of the most popular classes of photolabile protecting groups, due to their facile synthetic accessibility, ease of tuning photophysical properties via structural modification and rapid photolysis reactions. Herein, we highlight the recent progress made on the development of coumarin‐derived caging groups, in which the red‐shifting of absorption spectra, improving aqueous solubility and tailoring sub‐cellular localisation has been of particular interest.
Funding Information
  • Health Research Council of New Zealand

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