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N'-[(E)-1-(5-Bromo-2-hydroxy-phen-yl)ethyl-idene]benzohydrazide.

ABSTRACT: The C=N double bond in the title compound, C(15)H(13)BrN(2)O(2), is transE configured and the dihedral angle between the aromatic ring planes is 22.3?(1)°. The crystal structure is stabilized by intra-molecular O-H?O and inter-molecular N-H?O hydrogen bonds.

SUBMITTER: Zheng CZ

PROVIDER: S-EPMC2960030 | biostudies-literature | 2008 Nov

REPOSITORIES: biostudies-literature

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N'-[(E)-1-(5-Bromo-2-hydroxy-phen-yl)ethyl-idene]benzohydrazide.

Zheng Chang-Zheng CZ Ji Chang-You CY Chang Xiu-Li XL Zhang Li-Qin LQ

Acta crystallographica. Section E, Structure reports online 20081129 Pt 12

The C=N double bond in the title compound, C(15)H(13)BrN(2)O(2), is transE configured and the dihedral angle between the aromatic ring planes is 22.3 (1)°. The crystal structure is stabilized by intra-molecular O-H⋯O and inter-molecular N-H⋯O hydrogen bonds. ...[more]

PMID: 21581451

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Project description:The title compound, C(13)H(12)N(2)OS, was obtained from the condensation reaction of 2-acetyl-thio-phene and benzohydrazide. In the mol-ecule, the formohydrazide fragment is approximately planar (r.m.s deviation = 0.0146 Å) and the mean plane is oriented at dihedral angles of 24.47 (11) and 28.86 (13)°, respectively, to the phenyl and thio-phene rings. The thio-phene and phenyl rings make a dihedral angle of 53.21 (8)°. The benzamide fragment and thio-phene ring are located on the opposite sides of the C=N bond, showing an E conformation. Classical inter-molecular N-H⋯O hydrogen bonds and weak C-H⋯O inter-actions are present in the crystal structure: three such bonds occur to the same O-atom acceptor.

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