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Branched Octasaccharides

2 Branched Octasaccharides - Syntheses have been recorded of compounds 21 and 22, which are the octamers of the lipopolysaccharide of Moraxella [Pg.74]

Mutant YE-2 of Rhizobium meliloti excretes a mixture of soluble polysaccharides that include a complex succinoglycan having a branched octasaccharide repeat as well as a simple galactoglucan (22) having a linear disaccharide repeat.102 In contrast to the case of the succinoglycan, oriented fibers of the potassium salt of 22 have yielded good X-ray data and its three-dimensional structure has been established.39 The polymer forms a two-fold helix of pitch... [Pg.362]

F. Belot, C. Costachel, K. Wright, A. Phalipon, and L. A. Mulard, Synthesis of the methyl glycoside of a branched octasaccharide fragment specific for the Shigella flexneri serotype 2a O-antigen, Tetrahedron Lett., 43 (2002) 8215-8218. [Pg.305]

Whether the chemical repeating motif is a simple disaccharide or up to a complex octasaccharide, the molecular morphologies of branched polysaccharides are quite intriguing. The structure of welan (43) is a pleasant surprise. Others... [Pg.393]

The synthesis of the branched-chaln octasaccharide (9), a glycoprotein structural unit, has been achieved. [Pg.47]

See other pages where Branched Octasaccharides is mentioned: [Pg.385]    [Pg.655]    [Pg.385]    [Pg.655]    [Pg.626]    [Pg.627]    [Pg.628]    [Pg.158]    [Pg.64]    [Pg.230]    [Pg.2093]    [Pg.2362]    [Pg.113]    [Pg.574]    [Pg.1161]    [Pg.417]    [Pg.652]    [Pg.1884]   


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Octasaccharide

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