Lin, L., Wu, T., Wang, M., Huang, R., Yang, X., Zhao, Y., Shi, Z. (2025). Quaternary Phosphonium Salts Enable Palladium‐Catalyzed Annulative C─H Activation of Aminophosphines with Alkynes. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202505454