title: [Synthesis of 6-aminohexylglycosides of a polysaccharide from Streptococcus group A and its fragments].
abstract: Polycondensation of 4-O-benzoyl-1,2-O-(1-cyanoethylidene)-3-O-(3,4-di-O-benzoyl-2-O-tr ityl-alpha-L- rhamnopyranosyl)-beta-L-rhamnopyranose in the presence of 6-phthalimidohexyl-3,4-di-O-benzoyl-2-O-trityl-alpha-L- rhamnopyranoside affords, after deprotection, the polysaccharide built up of the repeating dissaccharide units----2) Rha (alpha 1----3) Rha (alpha 1----and containing 6-aminohexyl residue at the reducing end. This polysaccharide possesses the structure of the group A-variant streptococcal polysaccharide. Synthesis of 6-aminohexyl glycosides of 2- and 3-O-alpha-L-rhamnopyranosyl-alpha-L-rhamnopyranoses, which corresponds to the repeating units of the above polysaccharide, is described.
authors.forename: Iu E
authors.initials: IuE
authors.lastname: Tsvetkov
authors.forename: A V
authors.initials: AV
authors.lastname: Bukharov
authors.forename: L V
authors.initials: LV
authors.lastname: Bakinovskiĭ
authors.forename: N K
authors.initials: NK
authors.lastname: Kochetkov
mesh_terms: D002240:Carbohydrate Sequence; D055598:Chemical Phenomena; D002621:Chemistry; D004187:Disaccharides; D011135:Polysaccharides, Bacterial / Q000138:chemical synthesis*; D013297:Streptococcus pyogenes
chemical_list: D004187:Disaccharides; D011135:Polysaccharides, Bacterial
vernacular_title: Sintez 6-aminogeksilglikozidov polisakharida streptokokkov gruppy A-variant i ego fragmentov.