(E)-N′-(5-Chloro-2-hydroxybenzylidene)-2-nitrobenzohydrazide
نویسندگان
چکیده
In the title Schiff base compound, C(14)H(10)ClN(3)O(4), the mol-ecule adopts an E geometry with respect to the C=N bond and an intra-molecular O-H⋯N hydrogen bond is present. The benzene rings form a dihedral angle of 73.4 (2)°. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds occur.
منابع مشابه
(E)-N′-(3,5-Dibromo-2-hydroxybenzylidene)-2-nitrobenzohydrazide methanol solvate
In the title compound, C(14)H(9)Br(2)N(3)O(4)·CH(3)OH, the Schiff base mol-ecule adopts an E geometry with respect to the C=N bond and the benzene rings are oriented at a dihedral angle of 45.3 (2)°. An intra-molecular O-H⋯N hydrogen bond helps to establish the conformation. In the crystal, the methanol solvent mol-ecule is linked to the Schiff base mol-ecule through an O-H⋯O hydrogen bond and ...
متن کامل4-Chloro-N′-(5-chloro-2-hydroxybenzylidene)benzohydrazide
The mol-ecule of the title compound, C(14)H(10)Cl(2)N(2)O(2), displays a trans configuration with respect to the C=N double bond and has an intramolecular O-H⋯N hydrogen bond. The dihedral angle between the two benzene rings is 1.4 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming chains running along the a direction.
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In the title compound, C(14)H(9)ClN(4)O(5), the mol-ecule exists in a trans geometry with respect to the methyl-idene unit. The dihedral angle between the two substituted benzene rings is 62.7 (2)°. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds generate R(2) (2)(8) loops.
متن کاملN′-(3-Bromo-5-chloro-2-hydroxybenzylidene)-2-methoxybenzohydrazide
The title compound, C(15)H(12)BrClN(2)O(3), was obtained by the condensation reaction between 3-bromo-5-chloro-2-hydroxy-benzaldehyde and 2-methoxy-benzohydrazide. The mol-ecule is essentially planar, with a dihedral angle between the two benzene rings of 4.7 (2)°, and displays an E configuration about the C=N double bond. The mol-ecular conformation is stabilized by intramolecular O-H⋯N and N-...
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