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Hydrogen bonding in carbohydrates

Some Suggestions for Modeling Hydrogen Bonding in Carbohydrates... [Pg.25]

As neutron diffraction and more accurate X-ray crystal structure analyses have become available, it is clear that this configuration 1 is quite common in the crystal structures of many biological small molecules. Surveys of the peptide NH 0=C hydrogen bond [56] and hydrogen bonds in carbohydrates [57-59], amino acids [60], purines and pyrimidines [61] and nucleosides and nucleotides [62] indicate that between 25% and 40% of the bonds in a sample of structures may be of this type. [Pg.20]

Jeffrey GA, Lewis L (1978) Cooperative aspects of hydrogen bonding in carbohydrates. Car-bohydr Res 60 179-182... [Pg.515]

Gritsan VN, Panov VP, Kachur VG (1983) Theoretical analysis of hydrogen bonds in carbohydrate crystals. Carbohydr Res 112 11-21... [Pg.530]

Steiner, T., and Saenger, W., Geometry of C H—0 hydrogen bonds in carbohydrate crystal structures. Analysis of neutron diffraction data, J. Am. Chem. Soc. 114, 10146-10154 (1992). [Pg.350]

For the carbohydrates, there is the added complication of hydrogen bonding, concerning which there is very little quantitative understanding indeed. Nevertheless, it is worth while to examine the overall pattern of hydrogen bonding in carbohydrate crystals, to see if there are any apparent generalizations. [Pg.20]

J. W. Brady and R. K. Schmidt, /. Phys. Chem., 97, 958 (1993). The Role of Hydrogen Bonding in Carbohydrates Molecular Dynamics Simulations of Maltose in Aqueous Solu-... [Pg.163]

Droz, A.S. Neidlein. U. Anderson, S. Seiler, P. Diederich, F. Optically active cyclophane receptors for mono- and disaccharides The role of bidentate ionic hydrogen bonding in carbohydrate recognition. Hclv. Chim. Acta 2001, 84 (8), 2243-2289. [Pg.177]

Some areas which are not covered are isotope effects on proton and deuterium exchange with solvent, for example, the water-hydronium ion system (Saunders et al., 1984), deuterium isotope effects on acid and base strength (Halevi et al., 1979), on amino acids (Petersen and Led, 1979) and on hydration of cobalt (II) (Saunders and Evilia, 1985). Solvent-dependent isotope effects on equilibria involving hydrogen bonds in carbohydrates and... [Pg.64]

Analysis of the geometrical properties of C-H-0 hydrogen bonds in carbohydrates has been carried out by neutron diffraction. Degradation of the potent anti-tumour antibiotic calicheamicin produced the disaccharide 1 incorporating the unusual N-0 glycosidic linkage. ... [Pg.278]

The role of hydrogen bonding in carbohydrates has been examined by molecular dynamics simulations on maltose in aqueous solution/ Ramachandran energy surfaces have been computed for leucrose and turanose (5-0- and 3-0-a-D-glucopyranosyl-D-fructopyranose, respectively) using MM3. ... [Pg.281]


See other pages where Hydrogen bonding in carbohydrates is mentioned: [Pg.18]    [Pg.87]    [Pg.205]    [Pg.169]    [Pg.170]    [Pg.171]    [Pg.172]    [Pg.174]    [Pg.176]    [Pg.178]    [Pg.180]    [Pg.182]    [Pg.184]    [Pg.186]    [Pg.188]    [Pg.190]    [Pg.192]    [Pg.194]    [Pg.198]    [Pg.200]    [Pg.202]    [Pg.204]    [Pg.206]    [Pg.208]    [Pg.210]    [Pg.212]    [Pg.214]    [Pg.216]    [Pg.218]    [Pg.572]    [Pg.927]    [Pg.148]    [Pg.154]    [Pg.2]    [Pg.419]    [Pg.224]   
See also in sourсe #XX -- [ Pg.56 , Pg.57 ]

See also in sourсe #XX -- [ Pg.25 , Pg.56 ]




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