Bulletin of the Chemical Society of Japan p. 631 - 632 (1982)
Update date:2022-09-26
Topics:
Morishima, Naohiko
Koto, Shinkiti
Kusuhara, Chiharu
Zen, Shonosuke
The regiospecific benzylation of methyl α-D-xylopyranoside with benzyl chloride and sodium hydride produces methyl 2,4-di-O-benzyl-α-D-xylopyranoside in a 70percent yield, together with the by-products, methyl 2,3- and 3,4-di-O-benzyl-α-D-xylopyranosides.The structure of the 2,4-di-O-benzyl derivative was confirmed through the alternative synthesis of the 2,3- and 3,4-di-O-benzyl derivatives via the O-isopropylidene and O-cyclohexylidene derivatives of methyl α-D-xylopyranoside.
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