Acta Crystallographica Section E

Volume 68, Part 4 (April 2012)

organic compounds

tk5064 scheme

Acta Cryst. (2012). E68, o1136 [ doi:10.1107/S1600536812010872 ]

N-(2-Aminopyridin-3-yl)-4-methyl-N-(4-methylphenylsulfonyl)benzenesulfonamide

A. Taher and V. J. Smith

Abstract: The title compound, C₁₉H₁₉N₃O₄S₂, was prepared by the reaction of 2,3-diaminopyridine with tosyl chloride in a mixture of dichloromethane-pyridine as solvent. In the crystal, molecules associate via pairs of N-HN hydrogen bonds, forming a centrosymmetric eight-membered {HNCN}₂ synthon. The dihedral angles between the aminopyridine ring and the tosyl benzene rings are 50.01 (6) and 32.01 (4)°.


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