A copper-catalyzed three component reaction of aryl acetylene, sulfonyl azide and enaminone to form iminolactone via 6π electrocyclization
2018
Sun, Jiarui | Cheng, Xiangsheng | Mansaray, John Kamanda | Fei, Weihong | Wan, Jieping | Yao, Weijun
We developed a copper-catalyzed three component reaction of aryl acetylene, enaminone and sulfonyl azide to construct iminolactone via a cascade process involving copper-catalyzed alkyne–azide cycloaddition (CuAAC), Michael addition of metalated ketenimine followed by elimination and 6π electrocyclization.
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