In recent years, the replacement of precious metal catalysts with iron-based systems in alkene functionalization reactions has garnered significant interest among chemists due to their cost-effectiveness, sustainability, and unique reactivity. This article provides a comprehensive review of recent advancements in iron-catalyzed alkene 1,2-difunctionalization reactions. At present, the existing research works have made significant progress in the field of iron-catalyzed 1, 2-bifunctionalization of olefins, especially achieving outstanding results in expanding the applicable range of substrates and controlling chemical selectivity. By summarizing the latest progress in these transformations and elucidating the underlying mechanisms that endow iron catalysts with exceptional performance, as well as potential applications in synthetic chemistry.

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