Polarimetry was used in order to investigate the formation of supramolecular complexes between mono-6-amino-β-cyclodextrin and various p-nitroaniline derivatives at two different pH values. Comparison with the behaviour of native β-cyclodextrin gave us the opportunity to consider the effect exerted by the presence of charged groups, having different solvation requirements, on the binding equilibrium. Data offer some support to the hypothesis of 'dynamic co-inclusion' of solvent molecules within the host-guest complex.
Lo Meo, P., D'Anna, F., Gruttadauria, M., Riela, S., Noto, R. (2009). Binding properties of mono-(6-deoxy-6-amino)-beta-cyclodextrins towards p-nitroaniline derivatives: a polarimetric study. TETRAHEDRON, 65, 10413-10417 [10.1016/j.tet.2009.10.032].
Binding properties of mono-(6-deoxy-6-amino)-beta-cyclodextrins towards p-nitroaniline derivatives: a polarimetric study
LO MEO, Paolo Maria Giuseppe;D'ANNA, Francesca;GRUTTADAURIA, Michelangelo;RIELA, Serena;NOTO, Renato
2009-01-01
Abstract
Polarimetry was used in order to investigate the formation of supramolecular complexes between mono-6-amino-β-cyclodextrin and various p-nitroaniline derivatives at two different pH values. Comparison with the behaviour of native β-cyclodextrin gave us the opportunity to consider the effect exerted by the presence of charged groups, having different solvation requirements, on the binding equilibrium. Data offer some support to the hypothesis of 'dynamic co-inclusion' of solvent molecules within the host-guest complex.
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