Halopyridinium cations as bifunctional donors of halogen and hydrogen bonds in salts with benzenesulfonic and p -toluenesulfonic acids

2025/01/01 by Matija Čulig, Vinko Nemec, Nikola Bregović +1 · 1 voice · 1 citation
Chemistry · Materials Science · #Polymer Synthesis and Characterization #Structural and Chemical Analysis of Organic and Inorganic Compounds #Synthesis and Characterization of Heterocyclic Compounds

paper · pdf · doi:10.1039/d5ce00870k

openalex publication_date 2025/01/01 · openalex created_date 2025/10/23 · openalex updated_date 2026/06/22

Abstract

10 salts of selected mono- and dihalopyridines with benzenesulfonic and p -toluenesulfonic acids have been synthesised and structurally characterised in order to study halopyridinium cations as bifunctional donors.

Citations

• Hydrolysis of esters of oxy acids: pKa values for strong acids; Brønsted relationship for attack of water at methyl; free energies of hydrolysis of esters of oxy acids; and a linear relationship between free energy of hydrolysis and pKa holding over a range of 20 pK units

Cited by

• Directionality in cation–anion interactions involving chalconium cations

Discussions

• 🔓Don't miss this #OpenAccess communication by Vinko Nemec, Dominik Cincic & co. examining halopyridinium cations as bifunctional donors of halogen and hydrogen bonds in salts with benzenesulfonic and [bsky, 2 points, 0 comments]

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