Sustainable Catalytic Approaches to Indazole Frameworks: Recent Advances and In‐Depth Mechanistic Insights

Indazoles stand out as a remarkable class of nitrogen‐containing compounds that have captured considerable attention in recent years, owing to their diverse pharmacological properties and unique photophysical characteristics. Given the vast potential of this molecular framework, a variety of synthetic strategies have emerged, allowing for the efficient and selective construction of indazole derivatives. This review discusses recent advancements in the synthesis and functionalization of indazoles/fused‐indazole frameworks using various catalytic systems, including transition‐metal, acid‐, base‐, nano‐, electro‐, and photo‐catalysis. It provides a thorough overview of effective synthetic protocols, supported by schematics and mechanistic insights, covering the synthetic protocols published from 2017 to 2024.