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Crystal structure of diethylammonium aniline-4-sulfonate anilinium-4-sulfonate

Acids such as sulfuric, nitric, oxalic, phosphoric, substituted sulfonic, etc. when mixed in water with amines give acidic or neutral salts that may be soluble in organic solvents: this solubility allows for the study of their interactions with metal halides, acetates, nitrates, perchlorates, etc, which yield new adducts and complexes in which the conjugate anion of the acid behaves as a ligand, usually coordinating the metal ion (Najafi et al., 2011a,b; Ittyachan et al., 2016; Majeed & Wendt, 2016). We report here the synthesis and structure of the product arising from the mixing of diethylamine and anilinesulfonic acid solutions, which contains a combination of ions and a zwitterion. In terms of other compounds containing both the anilinesulfonate anion and its zwitterionic form, aniliniumsulfonate, to date only the 4-aminopyridinium salt has been reported (Fun et al., 2008).

Auteur(s) : Assane Toure, Libasse Diop, Cheikh Abdoul Khadir Diop and Allen G. Oliver
Pages : 1830-1832
Année de publication : 2016
Revue : IUCr Journals CRYSTALLOGRAPHY JOURNALS Acta Cristallographica
N° de volume : E72
Type : Article
Mise en ligne par : TOURE Assane