Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

1-[3-(2-Nitro-phen-yl)-5-phenyl-2-pyrazolin-1-yl]ethanone.

ABSTRACT: The title compound, C(17)H(15)N(3)O(3), was prepared from 1-(2-nitro-phen-yl)-3-phenyl-prop-2-en-1-one and hydrazine. The dihedral angle between the benzene and phenyl rings is 74.55?(2)°. The pyrazoline ring is in a slight envelope conformation with the C atom bonded to the phenyl ring forming the flap. In the crystal structure, weak inter-molecular C-H?O hydrogen bonds connect mol-ecules into chains along [100].

SUBMITTER: Guo HM

PROVIDER: S-EPMC3006741 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature

ACCESS DATA

Json Xml

Publications

1-[3-(2-Nitro-phen-yl)-5-phenyl-2-pyrazolin-1-yl]ethanone.

Guo Huan-Mei HM Huang Ben-Yu BY Qin Xiang X Zou Huan-Ze HZ Jian Fang-Fang FF

Acta crystallographica. Section E, Structure reports online 20100605 Pt 7

The title compound, C(17)H(15)N(3)O(3), was prepared from 1-(2-nitro-phen-yl)-3-phenyl-prop-2-en-1-one and hydrazine. The dihedral angle between the benzene and phenyl rings is 74.55 (2)°. The pyrazoline ring is in a slight envelope conformation with the C atom bonded to the phenyl ring forming the flap. In the crystal structure, weak inter-molecular C-H⋯O hydrogen bonds connect mol-ecules into chains along [100]. ...[more]

PMID: 21587827

Similar Datasets

(E)-1-(3-Methoxy-phen-yl)ethanone 4-nitro-phenyl-hydrazone.

Project description:Crystals of the title compound, C(15)H(15)N(3)O(3), were obtained from a condensation reaction of 4-nitro-phenyl-hydrazine and 3-methoxy-acetophenone. In the crystal structure, the methoxy-phenyl ring is twisted slightly with respect to the nitro-phenyl-hydrazine plane, making a dihedral angle of 14.81?(8)°. The nitro and meth-oxy groups are each coplanar with the attached benzene rings. The nitro-phenyl and methoxy-phenyl groups are located on opposite sides of the C=N double bond, indicating an E configuration of the mol-ecule. Adjacent mol-ecules are linked together via N-H?O hydrogen bonding, forming chains along the [101] direction.

| S-EPMC2961743 | biostudies-literature

(1E)-1-(3-Bromo-phen-yl)ethanone 2,4-di-nitro-phenyl-hydrazone.

Project description:The title compound, C(14)H(11)BrN(4)O(4), contains 3-bromo-phenyl and 2,4-dinitro-phenyl groups on opposite sides of a hydrazone unit and crystallizes with two mol-ecules in the asymmetric unit. The dihedral angles between the two ring systems in each mol-ecule are 2.0 (1) and 2.5 (4)°. Weak C-H⋯O hydrogen bonds and weak π-π stacking inter-actions [centroid-centroid distance = 3.7269 (14) Å] help to establish the packing. Intra-molecular N-H⋯O hydrogen bonds are also observed. On one of the rings, the Br atom is disordered over two equivalent positions of the phenyl ring [occupancy ratio 0.8734 (10):0.1266 (10).

| S-EPMC3008979 | biostudies-literature

1-[5-(2H-1,3-Benzodioxol-5-yl)-3-(4-methyl-phen-yl)-2-pyrazolin-1-yl]ethanone.

Project description:In the title compound, C19H18N2O3, the pyrazoline ring is close to being planar (r.m.s. deviation = 0.035?Å) and subtends dihedral angles of 2.11?(8) and 82.63?(8)° with the p-tolyl and benzene rings, respectively. In the crystal, C-H?O and C-H?N hydrogen bonds link the mol-ecules, forming a three-dimensional network. A weak C-H?? inter-action involving the benzene ring is also observed.

| S-EPMC3648258 | biostudies-literature

1-{2-[(E)-2-(2-Nitro-phen-yl)ethen-yl]-1-phenyl-sulfonyl-1H-indol-3-yl}ethanone.

Project description:In the title compound, C24H18N2O5S, the S atom has a distorted tetra-hedral configuration, with bond angles varying from 105.11?(7) to 119.98?(8)°. As a result of the electron-withdrawing character of the phenyl-sulfonyl group, the N-Csp (2) bond lengths [1.414?(2) and 1.413?(2)?Å] are slightly longer than the reported value of 1.355?(14)?Å for N atoms with a planar configuration. The indole moiety is essentially planar, with a maximum deviation of 0.0177?(14)?Å for the N atom. The phenyl ring of the sulfonyl substituent makes a dihedral angle of 85.70?(7)° with the mean plane of the indole moiety. The mol-ecular structure features intra-molecular C-H?O hydrogen bonds, which generate S(6) and S(12) ring motifs. In the crystal, adjacent mol-ecules are linked via C-H?O hydrogen bonds, forming infinite C(7) chains running along the a-axis direction. The crystal packing also features C-H?? inter-actions, which form a three-dimensional structure.

| S-EPMC3884461 | biostudies-literature

(E)-1-(3-Nitro-phen-yl)ethanone (2-methyl-phen-yl)hydrazone.

Project description:In the title Schiff base compound, C(15)H(15)N(3)O(2), the azomethine double bond adopts an E configuration. The dihedral angle between the two aromatic rings is 13.4?(12)°. In the crystal, mol-ecules are arranged in wave-like layers parallel to (100) without any classical hydrogen bonding.

| S-EPMC3201279 | biostudies-literature

2-Bromo-1-(3-nitro-phen-yl)ethanone.

Project description:In the title compound, C(8)H(6)BrNO(3), there are two mol-ecules, A and B, in the asymmetric unit. The nitro and ethanone groups lie close to the plane of the benzene ring and the bromine atom is twisted slightly: the dihedral angles between the mean planes of the nitro and ethanone groups and the benzene ring are 4.6?(4) (A) and 2.8?(3) (B), and 0.8?(8) (A) and 5.5?(8)° (B), respectively. An extensive array of weak C-H?O hydrogen bonds, ?-? ring stacking [centroid-centroid distances = 3.710?(5) and 3.677?(5)?Å] and short non-hydrogen Br?O and O?Br inter-molecular inter-actions [3.16?(6)and 3.06?(8)?Å] contribute to the crystal stability, forming a supermolecular three-dimensional network structure along 110. These inter-actions give rise to a variety of cyclic graph-set motifs and form inter-connected sheets in the three-dimensional structure.

| S-EPMC3050415 | biostudies-literature

2-Azido-1-(4-nitro-phen-yl)ethanone.

Project description:In the title compound, C(8)H(6)N(4)O(3), the ketone [C-C(=O)-C] and nitro groups are tilted with respect to the benzene ring by 18.92?(6) and 24.11?(15)°, respectively. In the crystal, mol-ecules are linked into inter-woven chains running parallel to the [100] direction by C-H?N hydrogen bonds and weak ?-? stacking inter-actions, with centroid-centroid separations of 3.897?(3)?Å.

| S-EPMC3379503 | biostudies-literature

1-(4-Methyl-phen-yl)-2-(phenyl-sulfon-yl)ethanone.

Project description:In the title compound, C(15)H(14)O(3)S, the benzene and phenyl rings make a dihedral angle of 33.56 (16)°. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds into a layer parallel to the ab plane.

| S-EPMC3343995 | biostudies-literature

1-(4-Fluoro-phen-yl)-2-(phenyl-sulfon-yl)ethanone.

Project description:In the title compound, C(14)H(11)FO(3)S, the unit comprising the ethanone and 4-fluoro-phenyl groups is essentially planar, with an r.m.s. deviation of 0.0084 (2) Å for the ten non-H atoms, and it makes a dihedral angle of 37.31 (10)° with the phenyl ring. In the crystal, mol-ecules are linked by pairs of weak C-H⋯O hydrogen bonds into inversion dimers with R(2) (2)(16) graph-set motifs. The dimers are stacked along the b axis through further C-H⋯O hydrogen bonds.

| S-EPMC3379257 | biostudies-literature

2-[(2Z)-Azepan-2-yl-idene]-1-(4-nitro-phen-yl)ethanone.

Project description:The title compound, C(14)H(16)N(2)O(3), is an NH-vinyl-ogous amide (enaminone) produced by the reaction of 4-nitro-phenacyl bromide with azepane-2-thione. The conformation about the C=C bond [1.3927 (14) Å] is Z, which allows for the formation of an intra-molecular N-H⋯O hydrogen bond that leads to an S(6) loop. Inversion-related mol-ecules associate via N-H⋯O hydrogen bonds to form a 12-membered {⋯OC(3)NH}(2) synthon.

| S-EPMC3414934 | 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