A facile and efficient one‐pot synthesis of isoxazol‐3(2H)‐ones has been developed starting from α‐acyl cinnamides and tosyliminophenyliodinane catalyzed by copper(II) acetate [Cu(OAc)₂] under very mild conditions involving a tandem aza‐Michael addition and intramolecular cyclization sequence.

中文翻译：

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铜-硝烯引发的α-酰基肉桂酸酯环化反应：使用异恶唑3（2H）-酮

从α-酰基肉桂酸酯和甲苯磺酸苯基碘丁烷在乙酸铜[II] [Cu（OAc）₂ ]催化下，在非常温和的条件下（串联）合成，已开发了一种简便高效的异恶唑-3（2 H）-酮一锅合成方法氮杂-迈克尔加成和分子内环化序列。