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AssigneesElf Sanofi, Akzo Nobel N.V.
InventorsMaurice Petitou, Guy F. B. Jaurand, Constant A. A. Van Boeckel
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The invention relates to 3-deoxy oligosaccharides of formula I: ##STR1## in which X represents an --OSO.sub.3.sup.- radical, a radical of formula R--O, a radical of formula: ##STR2## or a radical of formula: ##STR3## Y represents a radical of formula: ##STR4## R represents an alkyl radical, R.sub.1, R.sub.3, R.sub.5, R.sub.7, R.sub.8, R.sub.10, R.sub.12 and R.sub.13 represent a hydroxyl radical, an alkoxy radical or an --OSO.sub.3.sup.- radical, R.sub.2, R.sub.4, R.sub.6, R.sub.9 and R.sub.11 represent a hydrogen atom, a hydroxyl radical, an alkoxy radical or an --OSO.sub.3.sup.- radical, with the proviso that at least R.sub.2 or R.sub.4 or R.sub.6 or R.sub.9 or R.sub.11 represents a hydrogen atom, and their pharmaceutically acceptable salts with a base.
A compound having the formula ##STR61## in which X is selected from the group consisting of --OSO.sub.3.sup.-, a radical of formula A,
1,6:2,3-Dianh ydro-4-O-(2,4,6-tri-O-benzoyl-3-deoxy-.beta.-D-ribo-hexopyranosyl)-.beta.-D -mannopyranose, the compound of formula IX:
1,6:2,3-Dianhydro-4-O-(3-deo xy-.beta.-D-ribo-hexopyranosyl)-.beta.-D-mannopyranose, the compound of formula X:
A compound of formula XI:
Dependencies are inferred from the claim text.