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Synthesis of benzyl O-(3-O-methyl-β-d-galactopyranosyl)-(1 → 3)-2-acetamido-2-deoxy-α-d-galactopyranoside and benzyl O-(β-d-galactopyranosyl)-(1 → 3)-2-acetamido-2-deoxy-6-O-methyl-α-d-galactopyranoside as specific acceptors for sialyltransferases

✍ Scribed by Rakesh K. Jain; Conrad F. Piskorz; E.V. Chandrasekaran; Khushi L. Matta


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
304 KB
Volume
271
Category
Article
ISSN
0008-6215

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Recent years have seen a remarkable surge of interest in the study of U-Lfucosyltransferases. Of these L-fucosyltransferases, the enzyme (143)~a+fucosyltransferase has attracted a great deal of clinical interest as a potential tumor marker. This enzyme catalyzes the transfer of an L-fucosyl group f

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Methyl 2,4,6-tri-O-benzyl-P-D-galactopyranoside (5) was obtained crystalline by way of its 3-O-ally] derivative, which was in turn obtained by ring-opening of a presumed 3,4-0-stannylene derivative of methyl p-D-galactopyranoside, followed by benzylation. Condensation of 5 with 2-methyl-(2-acetamido