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The Pd‐catalyzed dipolar cycloaddition represents a significant synthetic strategy for the construction of useful heterocyclic compounds. This study developed the dipolar [4+2] and [6+2] cycloaddition reactions of benzo[d]isothiazole 1,1‐dioxides (BDs) leading to the synthesis of BD‐fused 1,3‐oxazinane and 1,3‐oxazocane derivatives, respectively. In particular, the synthesis of BD‐fused 1,3‐oxazinanes...
Optogenetics has been plagued by invasive brain implants and thermal effects during photo‐modulation. Here, two upconversion hybrid nanoparticles modified with photothermal agents, named PT‐UCNP‐B/G, which can modulate neuronal activities via photostimulation and thermo‐stimulation under near‐infrared laser irradiation at 980 nm and 808 nm, respectively, are demonstrated. PT‐UCNP‐B/G emits visible...