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- W2950956089 abstract "The asymmetric synthesis of α-chiral 1,3-aminoketals 1, useful chiral building blocks for piperidine preparation, was achieved in seven steps involving highly diastereoselective 1,4-addition of Davies’ lithium amide to an α,β-unsaturated ester. Problems of partial racemization observed during transformation of the ester moiety into a keto function, via a Weinreb amide, were solved using non-conventional experimental conditions. This procedure allowed the preparation of the title compounds in >90% enantiomeric excess." @default.
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- W2950956089 date "2005-11-01" @default.
- W2950956089 modified "2023-10-16" @default.
- W2950956089 title "Asymmetric synthesis of 1,3-aminoketals" @default.
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- W2950956089 doi "https://doi.org/10.1016/j.tetasy.2005.09.024" @default.
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