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Communication | Special issue | Vol 97, No. 2, 2018, pp.708-711
Published online, 29th March, 2018
DOI: 10.3987/COM-18-S(T)63
Dramatic Enantioselectivity Reversal in the Propargylation of Aldehyde with Alkynyllithium Catalyzed by Dilithium Binaphtholate Derivatives

Makoto Nakajima,* Rika Watanabe, Kazuki Osakama, Midori Sakamoto, Daijiro Takemoto, and Kenji Kukita

*Department of Pharmaceutical Sciences, Graduate School of Life Sciences, Kumamoto University, 5-1 Oe-hon-machi, Kumamoto 862-0973, Japan


A slight structural modification of a chiral catalyst caused a dramatic reversal in the enantioselectivity of an aldehyde propargylation using alkynyllithium.