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Note | Regular issue | Vol 51, No. 8, 1999, pp.1913-1919
Published online, 1st January, 1970
DOI: 10.3987/COM-99-8565
Enantioselective Addition of Diethylzinc to Aldehydes Catalyzed by Ethyl Nipecotate-derived New Chiral Ligand

So Ha Lee, Dai Sig Im, Chan Seong Cheong,* and Bong Young Chung

*Medicinal Chemistry Research center, Life Science Division, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 131-650, Korea


(R)-(-)-Diphenyl-(N-methylpiperidin-3-yl)methanol (3) derived from (±)-ethyl nipecotate catalyzed the enantioselective addition of diethyizinc to various aldehydes in good to moderate optical yield (40 % - 81 %).