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4-(4-Amino-phenyl-sulfon-yl)anilinium toluene-4-sulfonate.

ABSTRACT: In the title p-toluene-sulfonate salt of the drug dapsone, C12H13N2O2S(+)·C7H7O3S(-), the dihedral angle between the two aromatic rings of the dapsone monocation is 70.19?(17)° and those between these rings and that of the p-toluene-sulfonate anion are 72.34?(17) and 46.43?(17)°. All amine and aminium H atoms are involved in inter-molecular 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.

SUBMITTER: Smith G

PROVIDER: S-EPMC3914081 | biostudies-other | 2014 Jan

REPOSITORIES: biostudies-other

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4-(4-Amino-phenyl-sulfon-yl)anilinium toluene-4-sulfonate.

Smith Graham G Wermuth Urs D UD

Acta crystallographica. Section E, Structure reports online 20131214 Pt 1

In the title p-toluene-sulfonate salt of the drug dapsone, C12H13N2O2S(+)·C7H7O3S(-), the dihedral angle between the two aromatic rings of the dapsone monocation is 70.19 (17)° and those between these rings and that of the p-toluene-sulfonate anion are 72.34 (17) and 46.43 (17)°. All amine and aminium H atoms are involved in inter-molecular 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. ...[more]

PMID: 24526983

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