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A novel copper(I)-catalyzed three-component reaction for the efficient synthesis of 3-amino-2-pyrones and 2,5dihydrofurans from propargyl alcohols, aldehydes, and amines has been developed. [3] Herein, we report an unexpected formation of 3-amino-2pyrones [Eq. Through mechanistic studies, it is believed that the three-component reaction consists of an A 3 -coupling to propargylic amine, alkyne-allene isomerization, and intramolecular cyclization of the allenol to form a furan.