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N'-(2-Hydroxy-benzyl-idene)-4-methoxy-benzohydrazide.

ABSTRACT: The title Schiff base compound, C(15)H(14)N(2)O(3), was derived from the condensation reaction of salicylaldehyde with 4-methoxy-benzohydrazide. The dihedral angle between the two benzene rings is 2.5?(2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming chains running along the b axis.

SUBMITTER: Tang CB

PROVIDER: S-EPMC2961042 | biostudies-literature | 2008 Mar

REPOSITORIES: biostudies-literature

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N'-(2-Hydroxy-benzyl-idene)-4-methoxy-benzohydrazide.

Tang Chun-Bao CB

Acta crystallographica. Section E, Structure reports online 20080329 Pt 4

The title Schiff base compound, C(15)H(14)N(2)O(3), was derived from the condensation reaction of salicylaldehyde with 4-methoxy-benzohydrazide. The dihedral angle between the two benzene rings is 2.5 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming chains running along the b axis. ...[more]

PMID: 21202154

Similar Datasets

(E)-N'-(4-Hydroxy-benzyl-idene)-2-methoxy-benzohydrazide.

Project description:The title compound, C(15)H(14)N(2)O(3), exists in the E configuration with respect to the central methyl-idene unit. The dihedral angle between the two substituted benzene rings is 22.0?(2)°. Within the mol-ecule there is an intra-molecular N-H?O hydrogen bond involving the hydro-zide H atom and the O atom of the meth-oxy substituent on the adjacent phenyl ring. In the crystal structure, mol-ecules are linked through inter-molecular O-H?O hydrogen bonds, forming zigzag chains along the b direction.

| S-EPMC2959369 | biostudies-literature

N'-(2-Hydroxy-benzyl-idene)-2-methoxy-benzohydrazide monohydrate.

Project description:In the title compound, C(15)H(14)N(2)O(3)·H(2)O, the Schiff base mol-ecule is approximately planar, with a dihedral angle between the two aromatic rings of 10.2?(3)°. The mol-ecular structure is stabilized by O-H?N and N-H?O hydrogen bonds. In the crystal structure, the Schiff base and water mol-ecules are linked together by inter-molecular O-H?O hydrogen bonds, forming chains parallel to the a axis.

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N'-(5-Bromo-2-methoxy-benzyl-idene)-2-hydroxy-benzohydrazide.

Project description:The title Schiff base compound, C(15)H(13)BrN(2)O(3), is derived from the condensation of 5-bromo-2-methoxy-benzaldehyde with 2-hydroxy-benzohydrazide in an ethanol solution. The dihedral angle between the two aromatic rings is 6.9 (9)°. The meth-oxy group is coplanar with the attached ring [C-O-C-C = 3.1 (12)°]. An intra-molecular N-H⋯O hydrogen bond is observed. In the crystal structure, the mol-ecules are linked into chains along the [001] direction by inter-molecular O-H⋯N, O-H⋯O and C-H⋯O hydrogen bonds.

| S-EPMC2959458 | biostudies-literature

(E)-N'-(3,5-Dibromo-2-hydroxy-benzyl-idene)-2-methoxy-benzohydrazide.

Project description:The title compound, C(15)H(12)Br(2)N(2)O(3), was synthesized by the reaction of 3,5-dibromo-2-hydroxy-benzaldehyde with an equimolar quantity of 2-methoxy-benzohydrazide in methanol. The dihedral angle between the two benzene rings is 3.4?(2)° and intra-molecular O-H?N and N-H?O hydrogen bonds are observed in the mol-ecule. The crystal studied was an inversion twin with a 0.513?(19):0.487?(19) domain ratio.

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N'-(5-Bromo-2-methoxy-benzyl-idene)-3-hydroxy-benzohydrazide methanol hemisolvate.

Project description:The asymmetric unit of the title compound, C(15)H(13)BrN(2)O(3)·0.5CH(3)OH, contains two Schiff base mol-ecules and a methanol mol-ecule of crystallization. The dihedral angles between the benzene rings in the two mol-ecules are 23.8?(2) and 18.6?(2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H?O, O-H?O and O-H?N hydrogen bonds, forming a three-dimensional network.

| S-EPMC2961683 | biostudies-literature

N'-(3-Bromo-5-chloro-2-hydroxy-benzyl-idene)-2-methoxy-benzohydrazide.

Project description: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-H⋯O hydrogen bonds. In the crystal structure, mol-ecules are linked into zigzag chains running parallel to the c axis by inter-molecular C-H⋯O hydrogen bonds. The chains are further connected through aromatic π-π stacking inter-actions with centroid-centroid distances of 3.583 (4) Å.

| S-EPMC2969039 | biostudies-literature

N'-(3,5-Dichloro-2-hydroxy-benzyl-idene)-3-methoxy-benzohydrazide methanol solvate.

Project description:In the title compound, C(15)H(12)Cl(2)N(2)O(3)·CH(3)OH, the Schiff base mol-ecule is nearly planar, with a dihedral angle of 4.5 (2)° between the two benzene rings. An intra-molecular O-H⋯N hydrogen bond is observed. The methanol solvent mol-ecule is linked to the Schiff base mol-ecule through inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.

| S-EPMC2961072 | biostudies-literature

(E)-N'-(4-Methoxy-benzyl-idene)benzohydrazide.

Project description:In the title mol-ecule, C(15)H(14)N(2)O(2), the dihedral angle between the benzene rings is 5.93?(17)°. In the crystal, inter-molecular N-H?O hydrogen bonds link the mol-ecules into chains propagating in [010].

| S-EPMC2972045 | biostudies-literature

N'-(3-Eth-oxy-2-hydroxy-benzyl-idene)-4-hydr-oxy-3-methoxy-benzohydrazide monohydrate.

Project description:In the title compound, C(17)H(18)N(2)O(5)·H(2)O, the dihedral angle between the two aromatic rings is 7.86?(7)° and an intra-molecular O-H?N hydrogen bond is observed. In the crystal structure, mol-ecules are linked into a three-dimensional network by inter-molecular O-H?O and N-H?O hydrogen bonds.

| S-EPMC2970457 | biostudies-literature

N'-(2,4-Dichloro-benzyl-idene)-3-methoxy-benzohydrazide.

Project description:There are two independent mol-ecules in the asymmetric unit of the title compound, C(15)H(12)Cl(2)N(2)O(2). The dihedral angle between the two benzene rings is 27.6?(4)° in one mol-ecule and 16.4?(4)° in the other. Both mol-ecules adopt an E configuration about the C=N bonds. In the crystal structure, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming chains in the a-axis direction.

| S-EPMC2983793 | biostudies-literature

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