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Acta Cryst. (2013). E69, o1844-o1845  [ doi:10.1107/S1600536813032042 ]

Dimethyl (2Z)-2-[4-((1Z)-1-{2-[(2Z,5Z)-5-(2-meth­oxy-2-oxo­ethyl­idene)-4-oxo-3-phenyl-1,3-thia­zolidin-2-yl­idene]hydra­zin-1-yl­idene}eth­yl)anilino]but-2-ene­dio­ate

S. K. Mohamed, M. Akkurt, J. T. Mague, A. A. Hassan and M. R. Albayati

Abstract: The mol­ecule of the title compound, C26H24N4O7S, adopts a trans conformation about the central N-N bond, presumably to minimize steric between the substituents on these two atoms. An intra­molecular N-H...O hydrogen bond occurs. The phenyl ring is disordered over two sets of sites, with an occupancy ratio of 0.624 (8):0.376 (8). The azolidine ring is essentially planar [maximum deviation = 0.008 (5) Å] and makes a dihedral angle of 4.3 (2)° with the benzene ring and dihedral angles of 74.1 (3) and 69.1 (5)°, respectively, with the mean planes of the major and minor components of the disordered phenyl ring. The packing in the crystal is aided by the formation of several weak C-H...O and C-H...N inter­actions.


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