废止
化学
马来酸酐
有机化学
马来酸
催化作用
组合化学
共聚物
聚合物
作者
Xiaodong Bao,Lieguang Zeng,Jian Jin,Sunliang Cui
标识
DOI:10.1021/acs.joc.1c02727
摘要
A facile synthesis of γ-butenolides and maleic anhydrides via annulation of α-keto acids and triazenyl alkynes is described. In this process, α-keto acids and triazenyl alkynes could undergo a self-catalyzed annulation at room temperature to deliver γ-butenolides efficiently, while the further addition of BF3-Et2O furnished maleic anhydrides. Overall, these processes have mild reaction conditions, broad scope, and high efficiency.
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