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- W1984456439 abstract "A catalytic enantioselective Mannich reaction of α-isothiocyanato imide (2) with sulfonyl-protected imines 3 has been reported. Using quinidine-derived catalyst 1, syn-α,β-diamino acid derivatives 4 were obtained in high yields and with high diastereoselectivity and enantioselectivity. When 4-nitrophenylsulfonyl (Ns) protected imines that decrease product inhibition by giving less soluble products 4b were used, catalyst loadings of 0.25 mol% were still highly efficient." @default.
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- W1984456439 date "2009-09-22" @default.
- W1984456439 modified "2023-10-17" @default.
- W1984456439 title "Enantioselective Synthesis of syn-α,β-Diamino Acid Derivatives" @default.
- W1984456439 doi "https://doi.org/10.1055/s-0029-1218015" @default.
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