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N'-(3-Bromo-5-chloro-2-hydroxy-benzyl-idene)-3,4,5-trihydroxy-benzohydrazide methanol solvate.

ABSTRACT: The benzohydrazide mol-ecule of the title compound, C(14)H(10)BrClN(2)O(5)·CH(3)OH, is non-planar, the two aromatic rings at either side of the -C(=O)-NH-N=CH- unit being twisted by 5.9 (1)°. The benzohydrazide mol-ecule is linked to the solvent mol-ecule by an O-H⋯O hydrogen bond. Mol-ecules are connected by further O-H⋯O hydrogen bonds and an N-H⋯O link into a two-dimensional array.

SUBMITTER: Abdul Alhadi AA

PROVIDER: S-EPMC2968970 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N'-(5-Bromo-2-hydroxy-benzyl-idene)-3,4,5-trihydroxy-benzohydrazide dihydrate.

Project description:The title compound, C(14)H(11)BrN(2)O(5)·2H(2)O, crystallizes as hydrogen-bonded sheets. The 2-hydr-oxy group on the benzyl-idene group forms an intra-molecular hydrogen bond to the N atom of the C=N double bond. The amino N atom is a hydrogen-bond donor to a water mol-ecule. The hydr-oxy group on the benzohydrazide group is a hydrogen-bond donor to one acceptor site, whereas each water mol-ecule is a hydrogen-bond donor to two acceptor sites.

| S-EPMC2962201 | biostudies-literature

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

Project description:In the title compound, C(14)H(9)BrCl(2)N(2)O(2)·CH(4)O, the dihedral angle between the two benzene rings is 49.2 (2)° and an intra-molecular O-H⋯N hydrogen bond occurs. In the crystal struture, mol-ecules are linked by O-H⋯O and N-H⋯O hydrogen bonds.

| S-EPMC2968918 | biostudies-literature

N'-(5-Chloro-2-hydroxy-benzyl-idene)-3,4,5-trihydroxy-benzohydrazide dihydrate.

Project description:The benzohydrazide mol-ecule in the title dihydrate, C(14)H(11)ClN(2)O(5)·2H(2)O, is non-planar, with the two aromatic rings at either side of the -C(=O)-NH-N=CH- unit forming a dihedral angle of 29.7?(2)°. The benzohydrazide mol-ecule is linked to the water mol-ecules by O-H?O and N-H?O hydrogen bonds, with other O-H?O hydrogen bonds leading to a layer structure.

| S-EPMC2968776 | biostudies-literature

N'-(2-Chloro-benzyl-idene)-3,4,5-tri-methoxy-benzohydrazide methanol solvate.

Project description:In the title compound, C(17)H(17)ClN(2)O(4)·CH(4)O, the dihedral angle between the benzene ring planes is 5.29?(6)°. Inter-molecular N-H?O and O-H?O hydrogen bonds link the mol-ecules into a chain along the a axis.

| S-EPMC2962188 | biostudies-literature

N'-(2,4-Dimethoxy-benzyl-idene)-3,4,5-trihydroxy-benzohydrazide ethanol solvate.

Project description:The title compound, C(16)H(16)N(2)O(6)·C(2)H(5)OH, was synthesized from 3,4,5-trihydroxy-benzoyl-hydrazide and 2,4-dimethoxy-benzaldehyde in ethanol. The compound is not planar, with the two aromatic planes of the two aromatic rings twisted by 15.6?(1)°. The hydr-oxy groups are involved in both intra-molecular O-H?O and inter-molecular O-H?N and O-H?O hydrogen bonds and a C-H?O interaction also occurs.

| S-EPMC2969598 | 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'-(2-Chloro-5-nitro-benzyl-idene)-3-hydroxy-benzohydrazide methanol solvate.

Project description:In the title compound, C(14)H(10)ClN(3)O(4)·CH(3)OH, the dihedral angle between the two benzene rings is 33.9?(2)°. In the crystal structure, the methanol solvent mol-ecules are linked to the Schiff base mol-ecules through inter-molecular N-H?O and O-H?O hydrogen bonds. Mol-ecules are further linked through inter-molecular O-H?O and O-H?N hydrogen bonds, forming chains running along the b axis.

| S-EPMC2962016 | biostudies-literature

2'-(3-Bromo-5-chloro-2-hydroxy-benzyl-idene)isonicotinohydrazide methanol solvate.

Project description:The title Schiff base compound, C(13)H(9)BrClN(3)O(2)·CH(4)O, was derived from the condensation reaction of 3-bromo-5-chloro-salicylaldehyde with isonicotinohydrazide. The dihedral angle between the benzene and pyridine rings is 5.9?(2)°. In the crystal structure, mol-ecules are linked through N-H?O, O-H?O, and O-H?Br inter-molecular hydrogen bonds, forming dimers and chains. There is also an intramolecular O-H?N hydrogen bond.

| S-EPMC2962014 | biostudies-literature

N'-(2-Bromo-benzyl-idene)-3,4,5-tri-methoxy-benzohydrazide methanol solvate.

Project description:The title compound, C(17)H(17)BrN(2)O(4)·CH(4)O, was synthesized by the condensation of 3,4,5-trimethoxy-benzohydrazide and 2-bromo-benzaldehyde. The two aromatic rings are approximately planar, the dihedral angle being 3.08?(9)°. The mol-ecules are linked by inter-molecular N-H?O and O-H?O hydrogen bonds into chains along the a axis.

| S-EPMC2962239 | biostudies-other

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

Project description:The mol-ecule of the title compound, C(17)H(17)BrN(2)O(5), assumes an E configuration, with the 5-bromo-2-hydroxy-phenyl and benzohydrazide units located on opposite sites of the C=N double bond. The dihedral angle between the planes of the two benzene rings is 32.48?(15)°. The crystal structure is stabilized by intra-molecular O-H?N and inter-molecular N-H?O hydrogen bonds.

| S-EPMC2960056 | biostudies-literature

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