Research Article: 4-(3-Nitro­phen­yl)-1-(2-oxoindolin-3-yl­idene)thio­semicarbazide

Date Published: June 01, 2010

Publisher: International Union of Crystallography

Author(s): Humayun Pervez, Mohammad S. Iqbal, Naveeda Saira, Muhammad Yaqub, M. Nawaz Tahir.


In the title compound, C15H11N5O3S, intra­molecular N—H⋯N hydrogen bonding forms an S(5) ring motif, whereas N—H⋯O and C—H⋯S inter­actions type complete S(6) ring motifs. The 2-oxoindoline and 3-methoxy­phenyl rings are almost planar, with r.m.s. deviations of 0.0178 and 0.0149 Å, respectively, and form a dihedral angle of 33.59 (3)°. In the crystal, mol­ecules are inter­linked through the nitro groups in an end-to-end fashion via N—H⋯O and C—H⋯O inter­actions.

Partial Text

For the preparation and structures of biologically important N4-aryl-substituted isatin-3-thio­semicarbazones, see: Pervez et al. (2007 ▶). For related structures, see: (Pervez et al. 2010a ▶,b ▶). For graph-set notation, see: Bernstein et al. (1995 ▶).




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