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Uncaging concepts: a) nitrogen‐based push–pull systems (oNB, NDBF), which uncage via an aci‐nitro‐ and subsequent benzisoxazole intermediate, which is shown in the middle. b) Dye‐inspired systems (coumarin, BODIPY) with electron density donation into an antibonding molecular orbital. c) Excited‐state‐aromaticity assisted uncaging investigated here. (LG=leaving group, Nu=nucleophile, R=H, ethynyl, phenyl).
