Pyranthiones/Pyrones: “Click and Release” Donors for Subcellular Hydrogen Sulfide Delivery and Labeling**
Wei Huang,
Nipuni Gunawardhana,
Yunlei Zhang
et al.
Abstract:Hydrogen sulfide (H2S), one of the most important gasotransmitters, plays a critical role in endogenous signaling pathways of many diseases. However, developing H2S donors with both tunable release kinetics and high release efficiency for subcellular delivery has been challenging. Here, we describe a click and release reaction between pyrone/pyranthiones and bicyclononyne (BCN). This reaction features a release of CO2/COS with second‐order rate constants comparable to Strain‐Promoted Azide‐Alkyne Cycloaddition… Show more
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