A dianionic 5-sufonatosalicylate species in the proton-transfer compound bis(benzylaminium) 3-carobxylato-4-hydroxybenzenesulfonate
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The crystal structure of anhydrous bis(benzylaminium) 5-sulfonatosalicylate, 2C7H10N+烷H4O6S2-, from the reaction of benzylamine with 5-sulfosalicylic acid, shows the presence of a dianionic 5-sulfonatosalicylate species, uncommon among proton-transfer compounds of this acid with organic Lewis bases. Hydrogen-bonding interactions between both aminium N+-H groups of the two cations and both the sulfonate and carboxylate O-atom acceptors of the anions give a layered two-dimensional network structure.
Acta crystallographica. Section E, Structure reports online
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