✦ LIBER ✦

Acetolysis of methyl (methyl 4-O-methyl-β-d-glucopyranosid)uronate

✍ Scribed by Osamu Kanie; Tadahiro Takeda; Yukio Ogihara

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 353 KB
Volume: 197
Category: Article
ISSN: 0008-6215
DOI: 10.1016/0008-6215(90)84153-l

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✦ Synopsis

The glycosphingolipids isolated from spermatozoa of a fresh-water bivalve, Hyriopsis schlegelii, have a unique structure containing one or two D-mannosyl residues, novel linkages including an internal L-fucopyranosyl residue, as well as terminal D-xylosyl and 4-O-methyl-D-glucopyranosyluronic acid groups*. We previously synthesized the trisaccharide derivative which constitute the partial structure of Lipid IV. Condensation of methyl (2,3-di-0-acetyl-4-0-methyl-a-Dglucopyranosyl bromide)uronate with the appropriate OH-Cfree disaccharide derivative, 2-(trimethylsilyl)ethyl 3-O

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