COMPLEXES OF 2-FLUOROBENZOATE AND 4-FLUOROBENZOATE ANIONS AND THE CORRESPONDING METHYL-ESTERS WITH BETA-CYCLODEXTRIN AND THE CONJUGATE ACIDS OF 6(A)-AMINO-6(A)-DEOXY-BETA-CYCLODEXTRIN AND )-AMINO-3(A)-DEOXY-(2(A)S,3(A)S)-BETA-CYCLODEXTRIN IN AQUEOUS-SOLUTION - A F-19 NUCLEAR-MAGNETIC-RESONANCE STUDY
Cj. Easton et al., COMPLEXES OF 2-FLUOROBENZOATE AND 4-FLUOROBENZOATE ANIONS AND THE CORRESPONDING METHYL-ESTERS WITH BETA-CYCLODEXTRIN AND THE CONJUGATE ACIDS OF 6(A)-AMINO-6(A)-DEOXY-BETA-CYCLODEXTRIN AND )-AMINO-3(A)-DEOXY-(2(A)S,3(A)S)-BETA-CYCLODEXTRIN IN AQUEOUS-SOLUTION - A F-19 NUCLEAR-MAGNETIC-RESONANCE STUDY, Journal of chemical research. Synopses, (10), 1995, pp. 381
A F-19 NMR spectroscopic study shows that inclusion complexes of beta-
cyclodextrin with aromatic guests are more stable than those of the co
njugate acids of 6(A)-amino-6(A)-deoxy-beta-cyclodextrin and -amino-3(
A)-deoxy-(2(A)S,3(A)S)-beta-cyclodextrin, presumably as a result of th
e effect of the protonated amino substituents of the latter impinging
on the character of their hydrophobic cavities.