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Synlett 1992; 1992(7): 561-562
DOI: 10.1055/s-1992-21414
DOI: 10.1055/s-1992-21414
letter
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Formation of a Lactam Derivative on Direct Benzylation of N-Acetylneuraminic Acid α-Methyl Ketoside1
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Publication History
Publication Date:
08 March 2002 (online)
A novel route for efficient hydroxy protection of N-acetylneuraminic acid (Neu5Ac) is reported. Starting from various Neu5Ac derivatives 1a-1d, the corresponding perbenzylated lactam derivatives 2a-2d were obtained. Further investigations on these lactam derivatives demonstrate their broad applicability in synthesis of sialic acid analogues.