Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

(E)-2-Chloro-N'-(2-hydr-oxy-1-naphthyl-methyl-ene)benzohydrazide.

ABSTRACT: In the structue of the title compound, C(18)H(13)ClN(2)O(2), a new Schiff base, the dihedral angle between the benzene and naphthyl ring system mean planes is 22.5?(2)°. The mol-ecule has an E configuration about the C=N bond, and an intra-molecular hydrogen bond involving the hydoxyl substituent on the naphthyl ring and the N' atom of the hydrazide. The crystal structure is stabilized by inter-molecular N-H?O hydrogen bonds, forming one-dimensional chains running parallel to the a axis.

SUBMITTER: Qiu F

PROVIDER: S-EPMC2959739 | biostudies-literature | 2008 Oct

REPOSITORIES: biostudies-literature

ACCESS DATA

Json Xml

Publications

(E)-2-Chloro-N'-(2-hydr-oxy-1-naphthyl-methyl-ene)benzohydrazide.

Qiu Feng F Zhao Li-Mei LM

Acta crystallographica. Section E, Structure reports online 20081004 Pt 11

In the structue of the title compound, C(18)H(13)ClN(2)O(2), a new Schiff base, the dihedral angle between the benzene and naphthyl ring system mean planes is 22.5 (2)°. The mol-ecule has an E configuration about the C=N bond, and an intra-molecular hydrogen bond involving the hydoxyl substituent on the naphthyl ring and the N' atom of the hydrazide. The crystal structure is stabilized by inter-molecular N-H⋯O hydrogen bonds, forming one-dimensional chains running parallel to the a axis. ...[more]

PMID: 21580933

Similar Datasets

(E)-4-Bromo-N'-(2-hydr-oxy-1-naphthyl-methyl-ene)benzohydrazide.

Project description:The title compound, C(18)H(13)BrN(2)O(2), was synthesized by the reaction of 2-hydr-oxy-1-naphthaldehyde with 4-bromo-benzohydrazide. This Schiff base mol-ecule has an E configuration about the C=N bond and is almost planar, the dihedral angle between the mean planes through the substituted benzene ring and the naphthyl system being 6.6?(2)°. There is an intra-molecular O-H?N hydrogen bond involving the naphthyl hydr-oxy substituent and the N' atom of the hydrazide group. In the crystal structure, mol-ecules are linked through inter-molecular N--H?O hydrogen bonds to form chains extending along the b direction.

| S-EPMC2959633 | biostudies-literature

6-Chloro-N'-(2-hydr-oxy-1-naphthyl-methyl-ene)nicotinohydrazide.

Project description:The title compound, C(17)H(12)ClN(3)O(2), was synthesized by the Schiff base condensation reaction of 2-hydr-oxy-1-naphthaldehyde with 6-chloro-nicotinic acid hydrazide in a methanol solution. The mol-ecule displays a trans configuration with respect to the C=N and C-N bonds. The dihedral angle between the naphthyl ring system and the pyridine ring is 7.6 (4)°. There is an intra-molecular O-H⋯N hydrogen bond. The crystal structure is stabilized by inter-molecular N-H⋯O and C-H⋯O hydrogen bonds, forming chains running along the b axis.

| S-EPMC2915218 | biostudies-literature

4-Chloro-N'-(2-hydr-oxy-1-naphthyl-idene)benzohydrazide.

Project description:The mol-ecule of the title compound, C(18)H(13)ClN(2)O(2), displays a trans configuration with respect to the C=N double bond. The dihedral angle between the benzene and naphthyl ring systems is 6.0?(2)°. An O-H?N hydrogen bond is observed in the mol-ecular structure. In the crystal structure, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds and ?-? stacking inter-actions [centroid-centroid distance = 3.603?(2)?Å], forming chains running along the b axis.

| S-EPMC2960590 | biostudies-literature

2-Hydr-oxy-N'-[(E)-(3-hydr-oxy-2-naphth-yl)methyl-ene]benzohydrazide.

Project description:In the title mol-ecule, C(18)H(14)N(2)O(3), O-H?N and N-H?O hydrogen bonds influence the mol-ecular conformation; the benzene and naphthalene planes are inclined at a dihedral angle of 11.54?(5)°. In the crystal structure, inter-molecular O-H?O hydrogen bonds link the mol-ecules into chains running in the [01] direction.

| S-EPMC2968222 | biostudies-literature

3,5-Dihydr-oxy-N'-[(2-hydr-oxy-1-naph-thyl)methyl-ene]benzohydrazide.

Project description:In the title compound, C(18)H(14)N(2)O(4), the dihedral angle between the benzene ring and the naphthyl ring system is 10.1 (2)°. The mol-ecule is nearly planar, with a mean deviation from the plane of 0.141 (2) Å for 24 non-H atoms. An intra-molecular O-H⋯N hydrogen bond forms a pseudo-6-membered ring and the mol-ecules are linked into sheets by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.

| S-EPMC2915176 | biostudies-literature

N'-(2-Chloro-benzyl-idene)-2-hydr-oxy-3-methyl-benzohydrazide.

Project description:In the title compound, C(15)H(13)ClN(2)O(2), the dihedral angle between the two benzene rings is 3.4?(5)° and the mol-ecule adopts an E configuration with respect to the C=N bond. There is an intra-molecular O-H?O hydrogen bond in the mol-ecule, which generates an S(6) loop. In the crystal structure, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming C(4) chains running along the a axis.

| S-EPMC2979247 | biostudies-literature

2-Hydr-oxy-N'-(2-methoxy-naphthyl-idene)benzohydrazide.

Project description:The title Schiff base compound, C(19)H(16)N(2)O(3), prepared by the reaction of 2-meth-oxy-1-naphthyl-aldehyde and 2-hydroxy-benzohydrazide, crystallizes with two independent mol-ecules in the asymmetric unit. Each mol-ecule exists in a trans configuration with respect to the methyl-idene group. The naphthyl ring system make dihedral angles of 65.0?(2)° and 55.8?(2)° with the planes of the benzene rings. Intra-molecular N-H?O and O-H?O hydrogen bonds help to stabilize the mol-ecular conformations. In the crystal structure, mol-ecules are linked into one-dimensional chains parallel to the c axis by inter-molecular O-H?N and O-H?O hydrogen bonds.

| S-EPMC2960698 | biostudies-literature

(E)-3-Bromo-N'-(2-hydr-oxy-1-naphthyl-idene)benzohydrazide.

Project description:The title compound, C(18)H(13)BrN(2)O(2), was synthesized by the reaction of 2-hydr-oxy-1-naphthaldehyde with an equimolar quantity of 3-bromo-benzohydrazide in methanol. The dihedral angle between the benzene ring and the naphthyl ring system is 18.3?(2)°. An intra-molecular O-H?N hydrogen bond is observed between the phenolate O and imine N atoms. In the crystal structure, mol-ecules are linked through inter-molecular N-H?O and C-H?O hydrogen bonds, forming a chain running along [101].

| S-EPMC2969212 | biostudies-literature

Dibromido{2-hydr-oxy-N'-[phen-yl(2-pyrid-yl)methyl-ene]benzohydrazide}copper(II).

Project description:In the title complex, [CuBr(2)(C(19)H(15)N(3)O(2))], the metal ion is coordinated by the N,N',O-tridentate 2-hydr-oxy-N'-[phen-yl(2-pyrid-yl)methyl-ene]benzohydrazide ligand and two bromide ions, resulting in a distorted CuN(2)OBr(2) square-based pyramidal coordination geometry with one bromide ion in the apical site. An intra-molecular N-H?O hydrogen bond occurs in the ligand. In the crystal, mol-ecules are connected by inter-molecular C-H?O, C-H?Br and O-H?Br inter-actions.

| S-EPMC2970229 | biostudies-literature

2-Chloro-N'-[(E)-(2-meth-oxy-1-naphth-yl)methyl-ene]benzohydrazide.

Project description:In the mol-ecule of the title Schiff base compound, C(19)H(15)ClN(2)O(2), the dihedral angle between the benzene ring and naphthyl ring system is 77.1?(2)°. In the crystal structure, centrosymmetrically related mol-ecules are linked into dimers through pairs of inter-molecular N-H?O hydrogen bonds, generating rings of graph set R(2) (2)(8).

| S-EPMC2969653 | biostudies-literature

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data