This review highlights advancements in radical cascade cyclization for synthesizing 2-functionalized thioflavones, suggesting versatile methods for valuable products.
Radical cascade cyclization reactions are widely employed in the synthesis of functionalized heterocycles due to their numerous advantages. This review carefully compiles and analyzes recent advancements in the construction of 2‐functionalized thioflavones through radical cascade cyclization reactions, emphasizing their potential and versatility in generating a range of valuable thioflavone products. These strategies enable the efficient synthesis of diverse 2‐functionalized thioflavones via heat‐ or light‐promoted reactions using methylthiolated alkynones as the acceptor substrate. In this review, we aim to provide a thorough overview of the state‐of‐the‐art approaches by exploring the mechanisms and scope of these reactions, while serving as a vital reference for future research and industrial applications in thioflavones synthesis.
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Chen et al. (2025) studied this question.
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