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Yb(OTf)3-Promoted ZnCl2-Catalyzed Conia-Ene Reaction of Linear β-Alkynic β-Dicarbonyls

Yu Liu, Ren-Jie Song, Jin-Heng Li*
Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education), Hunan Normal University, Changsha 410081, P. R. of China
Fax: +86(731)88872101; e-Mail: jhli@hunnu.edu.cn;