摘要:
The present invention relates to a method for preparation of the trisaccharide 6′-O-sialyllactose (formula (I)) or salts thereof as well as intermediates in the synthesis and for the use of 6′-O-sialyllactose salts in pharmaceutical or nutritional compositions.
摘要:
The invention relates to a method for the synthesis of compounds of general formula (1A) and salts thereof wherein one of the R groups is an α-sialyl moiety and the other is H, X1 represents a carbohydrate linker, A is a D-glucopyranosyl unit optionally substituted with fucosyl, R1 is a protecting group that is removable by hydrogenolysis, the integer m is 0 or 1, by a transsialidation reaction.
摘要:
The present application discloses a method for the crystallization of fucose, characterized in that the crystallization is carried out from a mixture comprising fucose and at least one 6-deoxy sugar selected from 6-deoxy-talose and 6-deoxy-gulose. In one embodiment, the mixture comprises fucose and 6-deoxy-talose.
摘要:
The present invention relates to compounds derived from sugars which reproduce the epitopes of Shigella flexneri serotypes 3a and X and to the use thereof for the preparation of vaccine compositions. More specifically, the subject matter of the present invention relates to novel glycoconjugated compounds comprising oligosaccharides or polysaccharides described hereinafter, to the method for synthesizing these oligosaccharides or polysaccharides and glycoconjugates, to derivatives of these oligosaccharides or polysaccharides, to compositions containing same, and also to the use of the glycoconjugates for vaccination purposes. Finally, the present invention relates to methods for diagnosing a Shigella flexneri infection using one or more oligosaccharides or polysaccharides or conjugates thereof.
摘要:
The present invention relates to an improved synthesis of a trisaccharide of the formula, novel intermediates used in the synthesis and the preparation of the intermediates.
摘要:
Method for preparing the disaccharide [α-D-Gldp(1→3)]-α-L-Rhap-YR wherein Y is selected from —O— and —S— and R is selected from the group consisting of: C1-C6 alkyl, C1-C6 alkenyl, aryl, allyl, —CO-alkyl (C1-C6), —CO-alkenyl (C1-C6), —CO-aryl comprising the step of using a mutant of a wild type glycoside hydrolase.
摘要:
The present invention relates to an improved synthesis of a trisaccharide of the formula, novel intermediates used in the synthesis and the preparation of the intermediates.
摘要:
The present application discloses a method for the crystallization of fucose, characterized in that the crystallization is carried out from a mixture comprising fucose and at least one 6-deoxy sugar selected from 6-deoxy-talose and 6-deoxy-gulose. In one embodiment, the mixture comprises fucose and 6-deoxy-talose.
摘要:
The present invention relates to novel polymorphs of the trisaccharide 2′-O-fucosyllactose (2-FL) of formula (1), methods for producing said polymorphs and their use in pharmaceutical or nutritional compositions.
摘要:
The present invention relates to an improved synthesis of a trisaccharide of the formula (1), novel intermediates used in the synthesis and the preparation of the intermediates.