Outside Back Cover: Thiosulfonate‐Derived BODIPY “Stick and Glue” Strategy for Fluorescent Thiol Labeling (Angew. Chem. Int. Ed. 6/2026)

Methanethiosulfonate-based BODIPY dyes selectively react with thiols to form disulfides (Stick). When exposed to light, these BODIPY disulfides undergo a rearrangement that yields a stable sulfide bond (Glue). This “Stick and Glue” strategy combines precise thiol labeling with excellent conjugate stability for bioimaging applications. More in the Research Article (e15338), Tomáš Slanina and co-workers.