Research Article: (E)-2-(2-Hy­droxy-5-iodo­benzyl­idene)hydrazinecarboxamide

Date Published: April 01, 2012

Publisher: International Union of Crystallography

Author(s): Rahman Bikas, Samra Nikbakht Sardari, Seyed Sajjad Hosseini, Gholam Hossein Shahverdizadeh, Behrouz Notash.


In the title mol­ecule, C8H8IN3O2, there is an intra­molecular O—H⋯N hydrogen bond between the hy­droxy group and the imine N atom, which generates an S(6) ring. In the crystal, the carbonyl O atom accepts two different N—H⋯O hydrogen bonds, which connect mol­ecules with two R22(8) motifs.

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For historical background to semicarbazones, see: Arapov et al. (1987 ▶); Pickart et al. (1983 ▶). For related structures see: Bikas et al. (2010 ▶, 2012a ▶,b ▶); Monfared et al. (2010a ▶). For background to the development of hydrazide derivatives for biological evaluation, see: Carvalho et al. (2008 ▶). For catalytic applications of aroylhydrazones, see: Monfared et al. (2010b ▶). For a similiar structure, see: Abboud et al. (1995 ▶).