title: Concise synthesis of the trisaccharide repeating unit of the O-polysaccharide from Aeromonas hydrophila A19 (O:14).
abstract: Chemical synthesis of the trisaccharide repeating unit of the O-polysaccharide from Aeromonas hydrophila A19 (O:14) is reported in the form of its p-methoxyphenyl glycosides. Suitably protected monosaccharide synthons were prepared either by literature procedure or by strategies developed in house. Stereoselective glycosylations were accomplished by the activation of thioglycosides using N-iodosuccinimide in conjunction with H2SO4-silica in good to excellent yields.
authors.affiliation: Department of Chemical Sciences, Indian Institute of Science Education and Research-Kolkata, Mohanpur, Nadia, India.
authors.forename: Kumar Bhaskar
authors.initials: KB
authors.lastname: Pal
authors.forename: Balaram
authors.initials: B
authors.lastname: Mukhopadhyay
mesh_terms: D016980:Aeromonas hydrophila / Q000737:chemistry*; D002236:Carbohydrate Conformation; D002240:Carbohydrate Sequence; D008969:Molecular Sequence Data; D019081:O Antigens / Q000737:chemistry*; D014312:Trisaccharides / Q000138:chemical synthesis* / Q000737:chemistry
chemical_list: D019081:O Antigens; D014312:Trisaccharides
keywords: Bacterial oligosaccharides; Glycosylation; H(2)SO(4)–silica