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(E)-N'-(5-Chloro-2-hydroxy-benzyl-idene)-3,5-dihydroxy-benzohydrazide mono-hydrate.

ABSTRACT: In the title compound, C(14)H(11)ClN(2)O(4)·H(2)O, the dihedral angle between the two benzene rings is 8.5 (2)° and an intra-molecular O-H⋯N hydrogen bond is observed in the Schiff base mol-ecule. In the crystal structure, the water mol-ecule accepts an N-H⋯O hydrogen bond and makes O-H⋯O hydrogen bonds to two further Schiff base mol-ecules. Further inter-molecular O-H⋯O hydrogen bonds lead to the formation of layers parallel to the bc plane.

SUBMITTER: Deng S

PROVIDER: S-EPMC2968927 | biostudies-literature |

REPOSITORIES: biostudies-literature

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(E)-N'-(2-Chloro-benzyl-idene)-3,5-di-hydroxy-benzohydrazide dihydrate.

Project description:In the Schiff base mol-ecule of the title compound, C(14)H(11)ClN(2)O(3)·2H(2)O, the benzene rings form a dihedral angle of 20.6?(1)°. The water molecules of crystallization are involved in the formation of a three-dimensional hydrogen-bonding network via O-H?O and N-H?O hydrogen bonds.

| S-EPMC3247416 | biostudies-literature

4-Chloro-N'-[(Z)-4-(dimethyl-amino)benzyl-idene]benzohydrazide mono-hydrate.

Project description:In the title compound, C(16)H(16)ClN(3)O·H(2)O, the dihedral angle between the two aromatic rings is 44.58 (11)°. The N atom of the dimethyl-amino group adopts a pyramidal configuration. In the crystal structure, mol-ecules are linked into a two-dimensional network parallel to the (001) plane by inter-molecular N-H⋯O, O-H⋯N and O-H⋯O hydrogen bonds involving the water mol-ecule and C-H⋯Cl hydrogen bonds. In addition, C-H⋯π inter-actions are observed.

| S-EPMC2962208 | biostudies-literature

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

Project description:The title Schiff base compound, C(14)H(9)Br(2)ClN(2)O(2)·CH(4)O, was derived from the condensation reaction of 3,5-dibromo-salicylaldehyde with 2-chloro-benzohydrazide. The dihedral angle between the two benzene rings is 48.2 (2)°. In the crystal structure, mol-ecules are linked through O-H⋯O and N-H⋯O inter-molecular hydrogen bonds, forming layers parallel to the bc plane. There is also an O-H⋯N intramolecular hydrogen bond.

| S-EPMC2962015 | biostudies-literature

N'-(4-Chloro-benzyl-idene)-2-hydroxy-benzohydrazide.

Project description:The title mol-ecule, C(14)H(11)ClN(2)O(2), adopts a trans configuration with respect to the C=N double bond. An intra-molecular N-H⋯O hydrogen bond contributes to mol-ecular conformation and the two benzene rings form a dihedral angle of 17.9 (8)°. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into chains running along [10].

| S-EPMC2967992 | biostudies-literature

N'-(2-Chloro-benzyl-idene)-4-hydroxy-benzohydrazide.

Project description:In the mol-ecule of the title compound, C(14)H(11)ClN(2)O(2), the dihedral angle between the benzene rings is 30.53 (4)°. In the crystal structure, inter-molecular O-H⋯O and N-H⋯O hydrogen bonds link the mol-ecules into a two-dimensional network. π-π contacts between benzene rings [centroid-centroid distance = 3.619 (1) Å] may further stabilize the structure. The crystal studied was found to be an inversion twin.

| S-EPMC2969926 | biostudies-literature

N'-(5-Chloro-2-hydroxy-benzyl-idene)-4-hydroxy-benzohydrazide.

Project description:The title Schiff base compound, C(14)H(11)ClN(2)O(3), was prepared by the reaction of 5-chloro-salicylaldehyde and 4-hydroxy-benzohydrazide. The mol-ecule exists in a trans configuration with respect to the methyl-idene group. The dihedral angle between the two benzene rings is 40.1 (2)°. An intra-molecular O-H⋯N hydrogen bond helps to stabilize the mol-ecular conformation. In the crystal structure, mol-ecules are linked into a three-dimensional network by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.

| S-EPMC2977672 | biostudies-literature

4-Chloro-N'-(5-chloro-2-hydroxy-benzyl-idene)benzohydrazide.

Project description: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.

| S-EPMC2960552 | biostudies-literature

(E)-4-Chloro-N'-(4-hydroxy-benzyl-idene)-benzohydrazide.

Project description:The mol-ecule of the title compound, C(14)H(11)ClN(2)O(2), displays a trans configuration with respect to the C=N double bond. The dihedral angle between the two benzene rings is 12.8?(3)°. In the crystal structure, mol-ecules are linked through inter-molecular O-H?O and N-H?O hydrogen bonds and C-H?? inter-actions, forming a three-dimensional network.

| S-EPMC2960690 | biostudies-literature

4-Chloro-N'-(2-hydroxy-benzyl-idene)benzohydrazide monohydrate.

Project description:The asymmetric unit of the title compound, C(14)H(11)ClN(2)O(2)·H(2)O, contains a Schiff base mol-ecule and a water mol-ecule of crystallization. The dihedral angle between the two aromatic rings is 27.3 (4)°. In the crystal structure, mol-ecules are linked into a two-dimensional network parallel to the bc plane by inter-molecular O-H⋯O and N-H⋯O hydrogen bonds involving the water mol-ecules.

| S-EPMC2960496 | biostudies-literature

(E)-N'-(3,5-Dibromo-2-hydroxy-benzyl-idene)-4-hydroxy-benzohydrazide monohydrate.

Project description:The title compound, C(14)H(10)Br(2)N(2)O(3)·H(2)O, was synthesized by the reaction of 3,5-dibromo-2-hydroxy-benzaldehyde with an equimolar amount of 4-hydroxy-benzohydrazide in methanol. The structure comprises a Schiff base unit and a water mol-ecule of crystallization. The dihedral angle between the benzene rings in the Schiff base is 1.3 (3)°. In the crystal structure, mol-ecules are linked through inter-molecular O-H⋯O and N-H⋯O hydrogen bonds, with the water mol-ecule serving as both donor and acceptor. As a result, layers are formed, which are approximately parallel to the bc plane.

| S-EPMC2959471 | biostudies-literature

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