ΔG0, ΔH0 and ΔS0 protonation values of some pairs of diastereoisomeric dipeptides have been determined by potentiometry and calorimetry in aqueous solution at 25°C and I = 0.1 mol dm-3 (KNO3). On the basis of the results obtained it has been possible to assess the role played by two different non-covalent interactions, namely the electrostatic interaction and the solvophobic interaction, on the thermodynamic stereoselectivity in the proton complex formation, shown by the systems investigated.
Influence of non-covalent interactions on the thermodynamic stereoselectivity of the protonation of some dipeptides
BONOMO, Raffaele;RIZZARELLI, Enrico
1984-01-01
Abstract
ΔG0, ΔH0 and ΔS0 protonation values of some pairs of diastereoisomeric dipeptides have been determined by potentiometry and calorimetry in aqueous solution at 25°C and I = 0.1 mol dm-3 (KNO3). On the basis of the results obtained it has been possible to assess the role played by two different non-covalent interactions, namely the electrostatic interaction and the solvophobic interaction, on the thermodynamic stereoselectivity in the proton complex formation, shown by the systems investigated.File in questo prodotto:
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