Hydrogen bonding in aqueous solutions of D-ribose and 2-deoxy-D-ribose

Thermodynamics of nucleoside-solvent interactions. Uridine and cytidine in pure water and in 3m ethanol between 17 and 37 .degree.C

“…1978, 57, 122-4. (4) Hartel, G. Dissertation, Universitát Erlangen-Niirnberg, 8520 Erlangen, FRG, 1980. (5) Cooper, D. F.; Smith, J. W. J. Chem. Eng.…”

Conformational Preference and Chiroptical Response of Carbohydratesd-Ribose and 2-Deoxy-d-ribose in Aqueous and Solid Phases

“…In the case of the furanose forms, twenty ring conformations (ten envelope and ten twist) were combined with the four and five rotatable bonds for α/β-2-deoxy-Dribofuranose and α/β-D-ribofuranose, respectively. Considering the three mentioned conformations (g, g′, and t) for the rotatable bonds, the total number of initial conformations is 1620 (20•3 4 ) and 4860 (20•3 5 ), respectively. Finally, for the pyranose structures, thirty-eight ring conformations (two chair, twelve half-chair, six skew, six boat, and twelve envelope) were combined with three and four rotatable bonds for α/β- 27 taken into account the solvent effect through the use of the Polarizable Continuum Model (PCM) 28 with the use of a dielectric constant ε = 78.36, corresponding to water (PCM-water).…”

“…The structure of d -ribose and 2-deoxy- d -ribose differs by the presence/absence of a hydroxyl group on C2 (Figure ). Their interactions with water are very important because they affect the stabilities of native configurations of RNA and DNA . Due to their importance in nucleic acids and due to the fact that they are in the human body surrounded by water, the study of the structures of these compounds in water is of considerable interest.…”

Biomolecules in hydrothermal systems: Calculation of the standard molal thermodynamic properties of nucleic-acid bases, nucleosides, and nucleotides at elevated temperatures and pressures

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