A highly active 4-siloxyproline catalyst for asymmetric synthesis
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Hayashi, Y
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Tokyo Univ Sci, Fac Engn, Dept Ind Chem, Shinjuku Ku, Tokyo 1628601, JapanTokyo Univ Sci, Fac Engn, Dept Ind Chem, Shinjuku Ku, Tokyo 1628601, Japan
Hayashi, Y
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Yamaguchi, J
Hibino, K
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机构:Tokyo Univ Sci, Fac Engn, Dept Ind Chem, Shinjuku Ku, Tokyo 1628601, Japan
Hibino, K
Sumiya, T
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机构:Tokyo Univ Sci, Fac Engn, Dept Ind Chem, Shinjuku Ku, Tokyo 1628601, Japan
Sumiya, T
Urushima, T
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机构:Tokyo Univ Sci, Fac Engn, Dept Ind Chem, Shinjuku Ku, Tokyo 1628601, Japan
Urushima, T
Shoji, M
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机构:Tokyo Univ Sci, Fac Engn, Dept Ind Chem, Shinjuku Ku, Tokyo 1628601, Japan
Shoji, M
Hashizume, D
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Hashizume, D
Koshino, H
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机构:Tokyo Univ Sci, Fac Engn, Dept Ind Chem, Shinjuku Ku, Tokyo 1628601, Japan
Koshino, H
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[1] Tokyo Univ Sci, Fac Engn, Dept Ind Chem, Shinjuku Ku, Tokyo 1628601, Japan
trans-4-tert-Butyldimethylsiloxy-L-proline displays a greater catalytic activity than the parent proline without compromising the enantioselectivity, which widens the substrate scope in the alpha-aminoxylation of carbonyl compounds, as well as O-nitrosoaldol/Michael, and Mannich reactions.