Cheng Wang, Xiaodong Hu, Mengzhi Zhang, Rui Liu, Yuanli Zhu, Xiaoying Lu, Shilong Xu, Guohua Liu, Chunxia Tan. "Confined Cationic Covalent Organic Cages Enable Oxidant‐Free Hofmann−Löffler−Freytag/Cyclization Sequences." Angewandte Chemie International Edition (2026). https://doi.org/10.1002/anie.2488797