戒指(化学)
反应性(心理学)
化学
可见光谱
环加成
组合化学
反应条件
光化学
有机化学
催化作用
材料科学
医学
光电子学
替代医学
病理
作者
Qing‐Bao Zhang,Feng Li,Bin Pan,Lei Yu,Xiangguo Yue
标识
DOI:10.1002/chem.202401501
摘要
Visible-light-mediated [2+2] photocycloaddition reaction can be considered an ideal solution due to its green and sustainable properties, and is one of the most efficient methods to synthesize four-membered ring motifs. Although research on the [2+2] photocycloaddition of alkynes is challenging because of the diminished reactivity of alkynes, and the more significant ring strain of the products, remarkable achievements have been made in this field. In this article, we highlight the recent advances in visible-light-mediated [2+2] photocycloaddition reactions of alkynes, with focus on the reaction mechanism and the late-stage synthetic applications. Advances in obtaining cyclobutenes, azetines, and oxetene active intermediates continue to be breakthroughs in this fascinating field of research.
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