4-(4-Aminophenylsulfonyl)anilinium toluene-4-sulfonate

Smith, Graham & Wermuth, Urs D. (2014) 4-(4-Aminophenylsulfonyl)anilinium toluene-4-sulfonate. Acta Crystallographica Section E : Structure Reports Online, 70(1), o37-o37.

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In the title p-toluenesulfonate salt of the drug dapsone, C12H13N2O2S+ C7H7O3S-, the dihedral angle between the two aromatic rings of the dapsone monocation is 70.19(17)deg. and those between these rings and that of the p-toluenesulfonate anion are 72.34(17) and 46.43(17)deg. All amine and aminium H-atoms are involved in intermolecular N-H...O hydrogen-bonding associations with sulfonyl O-atom acceptors as well as one of the sulfone O-atoms, giving a three-dimensional structure.

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ID Code: 70894
Item Type: Journal Article
Refereed: Yes
Keywords: crystal structure, dapsone, p-toluenesulfonate, proton-transfer, hydrogen bonding
DOI: 10.1107/S1600536813033023
ISSN: 1600-5368
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 International Union of Crystallography
Copyright Statement: This open-access article is distributed under the terms of the Creative Commons Attribution Licence
http://creativecommons.org/licenses/by/2.0/uk/legalcode, which permits unrestricted use, distribution, and
reproduction in any medium, provided the original authors and source are cited.
Deposited On: 02 May 2014 03:33
Last Modified: 06 May 2014 05:25

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