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[4+1] Annulation of α-(1,2-ethylene) Amides and Terminal Alkynes to Access Spirocyclic Pyrroline-2-one |
REN Chuan-qing*, JI Xiao-hui, JI Jian-wei, ZHANG Qiang, SONG Juan |
Shaanxi Key laboratory of Catalysis, School of Chemical & Environmental Science, Shaanxi University of Technology, Hanzhong 723000, China |
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