2-Methylpyridine-4-boronic acid → 2-Chloro-5-(2-methyl-4-pyridinyl)phenyl 2,3,4-tri-O-acetyl-5-thio-beta-D-xylopyranoside

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Reaction Steps

By carrying out the operation analogously to example 3, starting from 5-bromo-2-chlorophenyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside, obtained according to preparation X, and 2-methyl-4-pyridineboronic acid, the expected product is obtained and is reacted further without additional purification in order to obtain the nonacetylated xyloside.

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