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- W2079082078 abstract "Nineteen chiral amines and their derivatives were prepared and investigated as organocatalytic Lewis bases in the α-amination of ethyl α-phenyl-α-cyanoacetate. For comparison purposes, a few natural products were also examined as catalysts in this study. Among the results obtained, (R)-N-benzyl-N-(1-phenylethyl)-amine and (R,R)-N,N‘-bis(1-phenylethyl)-propane-1,3-diamine as the catalysts afforded the amination products in excellent yields and with up to 84% ee. By contrast, under comparable conditions the two derivatives of natural products (DHQ)2PYR and (DHQD)2PYR provided the product of amination with lower than 10% enantiomeric excess." @default.
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- W2079082078 date "2007-01-18" @default.
- W2079082078 modified "2023-09-23" @default.
- W2079082078 title "Enantioselective Amination of α-Phenyl-α-cyanoacetate Catalyzed by Chiral Amines Incorporating the α-Phenylethyl Auxiliary" @default.
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- W2079082078 doi "https://doi.org/10.1021/jo0622633" @default.
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