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-phenylphenothiazine-based hyper-cross-linked polymer (PTH-HCP) was finely designed and constructed, which serves as a metal-free heterogeneous photocatalyst for organic transformations. Characterization experiments have shown that this polymer demonstrates outstanding stability, extensive surface area, and exceptional photoelectric response properties. Moreover, PTH-HCP showed good catalytic efficiency and recyclability in the photochemically driven difluoromethylation/cyclization reactions. This work provides a strategy for the design and construction of polymer photocatalysts and offers support for their broad prospects in synthetic applications.
Song et al. (Thu,) studied this question.