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2-Amino-1-methyl-4-oxo-4,5-dihydro-1H-imidazol-3-ium chloride.

ABSTRACT: In the crystal structure of the title compound, C(4)H(8)N(3)O(+)·Cl(-), N-H⋯Cl hydrogen bonds link the components into chains along [010]. In addition, weak C-H⋯Cl hydrogen bonds link the chains into a two-dimensional network perpendicular to (001).

SUBMITTER: Tabatabaee M

PROVIDER: S-EPMC3393986 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-[4-(4,5-Dihydro-1H-imidazol-2-yl)phen-yl]-4,5-dihydro-1H-imidazol-3-ium 4-amino-benzoate.

Project description:In the cation of the title compound, C(12)H(15)N(4) (+)·C(7)H(6)NO(2) (-), the benzene ring makes dihedral angles of 30.51?(9) and 25.64?(9)° with the imidazole and imidazolinium rings, respectively. In the crystal, inter-molecular N-H?O and N-H?N hydrogen-bonding inter-actions link the mol-ecules into a three-dimensional network.

| S-EPMC3050166 | biostudies-literature

Bis[2-(4-amino-phen-yl)-4,5-dihydro-1H-imidazol-3-ium] dichloride monohydrate.

Project description:The asymmetric unit of the title compound, 2C(9)H(12)N(3) (+)·2Cl(-)·H(2)O, comprises two mol-ecules, two chloride anions and one mol-ecule of crystal water. In the imidazolinium ring, the protonation contributes to delocalization of the positive charge over the two C-N bonds. Both chloride anions are acceptors of four hydrogen bonds in a flattened tetra-hedron environment. The donors are NH(2) groups, the NH groups of the imidazolinium rings and the water mol-ecule. These hydrogen bonds and N-H⋯O(H(2)O) hydrogen bonds form a three-dimensional network.

| S-EPMC3239081 | biostudies-literature

3-(2-Amino-1-methyl-4-oxo-4,5-dihydro-1H-imidazol-5-yl)-3-hydroxy-indolin-2-one monohydrate.

Project description:Two chiral centres exist in the title compound, C(12)H(12)N(4)O(3)·H(2)O. Mol-ecules are linked into chains by series of inter-molecular N-H?O and O-H?N hydrogen bonds, which causes supra-molecular aggregation. Two chiral centres are formed in the title compound. The indole and creatinine moieties make a dihedral angle of 56.75?(4)°. The crystal structure of the compound indicates the presence of equimolar enantio-mers (RR and SS) in the crystal structure.

| S-EPMC2968573 | biostudies-literature

2-(4-Isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)-5-methyl-nicotinic acid.

Project description:In the title herbicideh/phytocide, known as imaza-pic, C(14)H(17)N(3)O(3), the pyridine and imidazole rings are almost coplanar [dihedral angle = 3.08?(5)°]. An intra-molecular O-H?N hydrogen bond occurs. In the crystal, an N-H?O hydrogen bond links mol-ecules into a chain parallel to [010].

| S-EPMC3379288 | biostudies-literature

2-(3-Nitro-phen-yl)-4,5-diphenyl-1H-imidazol-3-ium chloride.

Project description:The title compound, C(21)H(16)N(3)O(2) (+)·Cl(-), contains two organic cations with similar conformation and two chloride ions in the asymmetric unit. The imidazole and benzene rings are twisted with respect to each other [dihedral angles of 24.05?(16), 24.31?(16) and 50.38?(13) in one cation and 27.70?(15), 25.07?(16) and 45.86?(14)° in the other]. The crystal packing is stabilized by N-H?Cl hydrogen bonds, forming an infinite one-dimensional chain parallel to the c axis.

| S-EPMC2959275 | biostudies-literature

2-(4-Nitro-phen-yl)-4,5-diphenyl-1H-imidazol-3-ium chloride.

Project description:In the cation of the title compound, C(21)H(16)N(3)O(2) (+)·Cl(-), the N atom in the 3-position of the imidazole ring is protonated. The three pendant aromatic rings are twisted from the plane of the imidazolium ring by dihedral angles of 31.69?(14)°, 31.09?(14)° and 34.77?(14)°. In the crystal structure, N-H?Cl hydrogen bonds link the mol-ecules, forming a chain parallel to the b axis.

| S-EPMC2969499 | biostudies-literature

(±)-5-Ethyl-2-(4-isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinic acid.

Project description:In the title compound, C(15)H(19)N(3)O(3), owing to an intra-molecular O-H?N hydrogen bond, the pyridine and imidazole rings are nearly coplanar and are twisted from each other by a dihedral angle of only 0.92?(9)°. The mol-ecules are linked through inter-molecular N-H?O hydrogen bonding, forming an infinite chain parallel to the b axis.

| S-EPMC2961475 | biostudies-literature

1,3-Bis(2,6-diisopropyl-phen-yl)-4,5-dihydro-1H-imidazol-3-ium triiodide.

Project description:In the crystal structure of the title compound, C(27)H(39)N(2) (+)·I(3) (-), the imidazolidinium ring is perpendicular to a mirror plane which bis-ects the cation. The dihedral angle between the imidazolidinium ring and the benzene ring is 89.0?(2)°. The triiodide anion also lies on a mirror plane and is almost linear with an I-I-I bond angle of 178.309?(18)°.

| S-EPMC3011707 | biostudies-literature

3-(2-Amino-1-methyl-4-oxo-4,5-dihydro-1H-imidazol-5-yl)-5-fluoro-3-hydr-oxy-1-methyl-indolin-2-one methanol hemisolvate.

Project description:In the title compound, C(13)H(13)FN(4)O(3)·0.5CH(3)OH, mol-ecules are packed in the crystal structure by a series of O-H?N, N-H?O, N-H?F and O-H?O inter-molecular hydrogen bonds. The indole and creatinine units make a dihedral angle of 60.80?(4)°.

| S-EPMC2971372 | biostudies-literature

3-(2-Amino-1-methyl-4-oxo-4,5-dihydro-1H-imidazol-5-yl)-3-hydr-oxy-1-phenyl-indolin-2-one ethanol solvate.

Project description:In the title compound, C(18)H(16)N(4)O(3)·C(2)H(5)OH, mol-ecules are linked into chains by a series of inter-molecular N-H?O, N-H?N and O-H?O hydrogen bonds which stabilize the crystal structure. The indole and creatinine units make a dihedral angle of 56.45?(4)°. The title compound has two chiral centres. The crystal structure indicates the compound is racemic (RR and SS).

| S-EPMC2970360 | biostudies-literature

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