orlef7.2021.23.issue-3.largecover
Cu(I)-Catalyzed [2+2+1] Cycloaddition of Amines, Alkynes, and Ketenes: An Umpolung and Regioselective Approach to Full-Substituted β-Pyrrolinones

Hao Wu, Xinyao Li, Zixi Yan, Nana Ma, Song Song*, Guisheng Zhang*, Ning Jiao*

Org. Lett. 2021, 23 (3), 762–766. DOI: 10.1021/acs.orglett.0c03991

ol0c03991_0009