Engineering a Hydrazone-Linked Covalent Organic Framework as a Cooperative Macromolecular Ligand for Recyclable Cu-Catalyzed Chan–Lam Coupling
The design of robust heterogeneous catalysts that rival the performance of homogeneous systems remains a fundamental challenge. Herein, we report a hydrazone-linked covalent organic framework (DHPy-COF) engineered as a cooperative macromolecular ligand with preorganized (O,N,O)-tridentate chelation sites for Cu(II) i...