Research Article: 4-{[(E)-2,3-Dihy­droxy­benzyl­idene]amino}-N-(5-methyl-1,2-oxazol-3-yl)benzene­sulfonamide

Date Published: July 01, 2012

Publisher: International Union of Crystallography

Author(s): M. Nawaz Tahir, Abdul Haleem Khan, Mohammad S. Iqbal, Christy Munir, Tariq Aziz.

http://doi.org/10.1107/S1600536812026657

Abstract

In the title compound, C17H15N3O5S, the 2,3-dihy­droxy­benzaldehyde unit is oriented at a dihedral angles of 16.83 (10) and 78.87 (6)° with the anilinic and 5-methyl-1,2-oxazol-3-amine groups, respectively. An S(6) loop exists due to intramolecular O—H⋯N hydrogen bonding. In the crystal, inversion dimers with R22(8) rings are formed due to N—H⋯N hydrogen bonding between the 5-methyl-1,2-oxazol-3-amine groups. These dimers are inter­linked by O—H⋯O hydrogen bonds, forming chains along [101] and resulting in R22(26) rings. π–π inter­actions occur between the central benzene rings with a centroid–centroid distance of 3.7928 (16) Å.

Partial Text

For related structures, see: Ebenezer & Muthiah (2010 ▶); Yildiz et al. (2010 ▶). For graph-set notation, see: Bernstein et al. (1995 ▶).

 

Source:

http://doi.org/10.1107/S1600536812026657

 

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