2019
DOI: 10.3390/catal9110909
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Intramolecular Hydrogen Bonds in Selected Aromatic Compounds: Recent Developments

Abstract: A review of intramolecular hydrogen bonding in ortho-hydroxyaryl Schiff bases, ortho-hydroxyaryl Mannich bases, dipyrrins, ortho-hydroxyaryl ketones, ortho-hydroxyaryl amides, and 4-Bora-3a,4a-diaza-s-indacene (BODIPY) dyes with tautomeric sensors as substituents is presented in this paper. Ortho-hydroxy Schiff and Mannich base derivatives are known as model molecules for analysing the properties of intramolecular hydrogen bonding. The compounds under discussion possess physicochemical features modulated by th… Show more

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Cited by 15 publications
(13 citation statements)
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“…Nevertheless, there are still some open questions related to the proton transfer phenomenon, the strength of the interaction or to the environmental effects influence on the hydrogen bonding features. The steric and inductive effects play an important role in the modulation of the hydrogen bridge [ 29 , 30 ] determining the bridged proton position. The presence of the intramolecular hydrogen bond is associated with the quasi-ring formation and further with the internal reorganization of the geometric parameters and electronic structure.…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, there are still some open questions related to the proton transfer phenomenon, the strength of the interaction or to the environmental effects influence on the hydrogen bonding features. The steric and inductive effects play an important role in the modulation of the hydrogen bridge [ 29 , 30 ] determining the bridged proton position. The presence of the intramolecular hydrogen bond is associated with the quasi-ring formation and further with the internal reorganization of the geometric parameters and electronic structure.…”
Section: Introductionmentioning
confidence: 99%
“…As the title indicates, this review is dealing with intramolecular hydrogen bonding. Recent reviews cover this subject [ 1 , 2 ]. Review [ 1 ] concentrates on Schiff bases made from salicylaldehyde and TRIS.…”
Section: Introductionmentioning
confidence: 99%
“…Rules are set up to predict the predominant tautomer based on linear free energy relationships. Review [ 2 ] is focused on aromatic systems such as o -hydroxy Schiff bases and Mannich bases and mainly deals with tautomerism. However, in order to make it feasible within the limits of a review of this type, tautomeric systems as such are not dealt with.…”
Section: Introductionmentioning
confidence: 99%
“…Although, large basis sets are needed to calculate the 31 P NMR CSA tensors correctly and to reach the limiting value of the isotropic absolute chemical shielding, much smaller basis sets are required to obtain a narrow confidence range of σ ref . Therefore, different effects (such as isotope effect, [33] proton exchange, [34] intra‐ [35] and intermolecular [34] noncovalent interactions, and conformation [36] ) on 31 P isotropic chemical shift can be studied using small basis sets for large molecular systems.…”
Section: Discussionmentioning
confidence: 99%
“…Therefore, different effects (such as isotope effect, [33] proton exchange, [34] intra- [35] and intermolecular [34] noncovalent inter- actions, and conformation [36] ) on P isotropic chemical shift can be studied using small basis sets for large molecular systems.…”
Section: Discussionmentioning
confidence: 99%