An efficient method for the direct oxidation of various N-aryl pyrrolidines to the corresponding lactams using α- angelica lactone as catalyst has been demonstrated. Di-oxygen was employed as the terminal oxidant and oxygen source.

中文翻译：

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α-当归内酯催化吡咯烷氧化为内酰胺

已经证明了使用α-当归内酯作为催化剂将各种N-芳基吡咯烷直接氧化成相应内酰胺的有效方法。双氧被用作末端氧化剂和氧源。