Highly enantioselective additions of diethylzinc to aldehydes using 2-triflamido-methyl-2'-hydroxy-1,1'- binaphthyl |
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| Authors: | Kang Seung-Wan Ko Dong-Hyun Kim Kyoung Hoon Ha Deok-Chan |
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| Affiliation: | Department of Chemistry, Korea University, Seoul 136-701, Korea. |
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| Abstract: | [reaction: see text] A new N-triflated amino alcohol-titanium catalyst was designed for the asymmetric ethylation of aldehydes. This binaphthyl-based sulfonamido alcohol ligand shows uniformly high yield and enantioselectivity in the diethylzinc additions of aromatic, aliphatic, and unsaturated aldehydes. |
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