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N'-[(E)-1-(4-Bromo-phen-yl)ethyl-idene]-2-(2-methyl-4-nitro-1H-imidazol-1-yl)acetohydrazide.

ABSTRACT: In the title compound, C(14)H(14)BrN(5)O(3), the mean plane of the imidazole ring (r.m.s deviation = 0.004 Å) forms a dihedral angle of 58.13 (7)° with the benzene ring. In the crystal, mol-ecules are linked via N-H⋯O, C-H⋯O and C-H⋯N hydrogen bonds into a three-dimensional network. A short Br⋯Br contact of 3.4932 (2) Å also occurs.

SUBMITTER: Fun HK

PROVIDER: S-EPMC3393992 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N'-[1-(4-Nitro-phen-yl)ethyl-idene]acetohydrazide.

Project description:The title compound, C(10)H(11)N(3)O(3), was prepared by the reaction of acetohydrazide and 1-(4-nitro-phen-yl)ethanone. The asymmetric unit contains two crystallographically independent mol-ecules. Inversion-related mol-ecules form dimers, in which two N-H⋯O hydrogen bonds generate an inter-molecular R(2) (2)(8) ring.

| S-EPMC2967984 | biostudies-literature

2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl 2-bromo-benzoate.

Project description:In the title compound, C(13)H(12)BrN(3)O(4), the dihedral angle between the benzene and imidazole rings is 30.6?(2)°. In the crystal, mol-ecules are linked into chains parallel to [001] by C-H?O hydrogen bonds. The crystal packing is further consolidated by ?-? inter-actions [centroid-centroid distance = 3.482?(2)?Å].

| S-EPMC3344152 | biostudies-literature

2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl 3-bromo-benzoate.

Project description:The mol-ecule of the title compound, C(13)H(12)BrN(3)O(4), is non-planar, as indicated in the dihedral angle of 59.5 (4)° formed between the least-squares planes through the imidazole and benzene rings. In the crystal, mol-ecules are connected via C-H⋯O contacts, forming a supra-molecular chain.

| S-EPMC2977841 | biostudies-literature

(E)-N'-(4-Meth-oxy-benzyl-idene)-2-(2-methyl-4-nitro-1H-imidazol-1-yl)acetohydrazide.

Project description:In the title compound, C(14)H(15)N(5)O(4), the central -C=N-N-C(=O)-C- bridge is nearly planar [maximum deviation = 0.037?(1)?Å] and forms dihedral angles of 7.37?(9) and 73.33?(5)°, respectively, with the benzene and imidazole rings. The dihedral angle between the benzene and imidazole rings is 66.08?(9)°. The meth-oxy and nitro groups are nearly coplanar with the benzene and imidazole rings, respectively, with a C-O-C-C torsion angle of 5.9?(2)° and an O-N-C-C angle of -0.2?(2)°. In the crystal, mol-ecules are linked by a pair of N-H?O hydrogen bonds with an R(2) (2)(8) ring motif, forming an inversion dimer. The dimers are further inter-connected by C-H?O hydrogen bonds into a sheet parallel to the (111) plane. A C-H?? inter-action is also observed between the sheets.

| S-EPMC3470350 | biostudies-literature

2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl 2-nitro-benzoate.

Project description:In the title compound, C(13)H(12)N(4)O(6), the mean plane through the nitro-benzene forms a dihedral angle of 37.38?(15)° with the plane through the imidazole ring. The crystal packing is stabilized by weak inter-molecular C-H?O and C-H?N inter-actions together with ?-? stacking inter-actions between nitro-benzene rings [centroid-centroid distance = 3.788?(3)?Å] and between imidazole rings [centroid-centroid distance = 3.590?(2)?Å].

| S-EPMC2983685 | biostudies-literature

Ethyl 2-(2-methyl-4-nitro-1H-imidazol-1-yl)acetate.

Project description:In the title compound, C(8)H(11)N(3)O(4), the dihedral angle between the imidazole ring and the ethyl acetate plane is 103.1 (8)°. The crystal packing is stabilized by weak inter-molecular C-H⋯O and C-H⋯N hydrogen bonds.

| S-EPMC2983319 | biostudies-literature

2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl N-methyl-carbamate.

Project description:In the title compound, C(8)H(12)N(4)O(4), the essentially planar methyl-carbamoyloxymethyl group [maximum deviation 0.038?(3)?Å] and the imidazole ring make a dihedral angle of 48.47?(3)°. The crystal packing is stabilized by inter-molecular N-H?N and C-H?O hydrogen bonds, which link the mol-ecules into infinite ribbons running along the a axis, and by weak ?-? stacking inter-actions [centroid-centroid distance = 3.894?(2)?Å].

| S-EPMC2968038 | biostudies-literature

2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl methane-sulfonate.

Project description:The asymmetric unit of the title compound, C(7)H(11)N(3)O(5)S, contains two independent mol-ecules with virtually identical conformations. The imidazole rings of both mol-ecules are essentially planar (r.m.s. deviations = 0.0019 and 0.0038 Å), with a dihedral angle 9.25 (19)° between them. The nitro groups are oriented at 4.5 (2) and 6.44 (13)° with respect to the imidazole rings. In the crystal, mol-ecules are linked to form a three-dimensional framework by C-H⋯O and C-H⋯N hydrogen bonds.

| S-EPMC3435813 | biostudies-literature

N'-[1-(4-Chloro-phen-yl)ethyl-idene]-5-methyl-1-(4-nitro-phen-yl)-1H-1,2,3-triazole-4-carbohydrazide.

Project description:In the title compound, C(18)H(15)ClN(6)O(3), the 1,2,3-triazole ring forms dihedral angles of 15.64 (5) and 57.50 (5)° with the two benzene rings. The dihedral angle between the two benzene rings is 72.26 (5)°. In the crystal, mol-ecules are linked via C-H⋯O hydrogen bonds into chains propagating along the b axis. A short O⋯C contact of 2.9972 (13) Å is observed.

| S-EPMC3393971 | biostudies-literature

2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl 4-fluoro-benzoate.

Project description:In the title compound, C(13)H(12)FN(3)O(4), the dihedral angle between the benzene and imidazole rings is 32.77 (12)°. In the crystal, mol-ecules are linked into a three-dimensional network by C-H⋯O hydrogen bonds.

| S-EPMC3343933 | biostudies-literature

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