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2-[(Z)-(3-{[(Z)-2-Hy-droxy-3,5-diiodo-benzyl-idene]amino}-propyl-imino)-meth-yl]-4,6-diiodo-phenol.

ABSTRACT: In the title compound, C(17)H(14)I(4)N(2)O(2), there are two intra-molecular O-H⋯N hydrogen bonds, which make S(6) ring motifs. In the crystal, there are no significant inter-molecular inter-actions present.

SUBMITTER: Kargar H

PROVIDER: S-EPMC3414953 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-((E)-{3-[(E)-2-Hy-droxy-3,5-diiodo-benzyl-idene-amino]-2,2-dimethyl-prop-yl}imino-meth-yl)-4,6-diiodo-phenol.

Project description:The asymmetric unit of the title compound, C(19)H(18)I(4)N(2)O(2), comprises a potentially tetra-dentate Schiff base ligand. The disordered H atoms on the N and O atoms were refined with site occupancies of 0.54?(8)/0.46?(8) and 0.59?(7)/0.41?(7), respectively. The dihedral angle between the benzene rings is 73.3?(3)°. Intra-molecular O-H?N and N-H?O hydrogen bonds make S(6) ring motifs. Short I?I [3.8919?(7)?Å] and I?Cg [Cg is a ring centroid; 3.911?(2)?Å] contacts are present in the crystal structure. The crystal structure is further stabilized by inter-molecular ?-? inter-actions [centroid-to-centroid distance = 3.827?(3)?Å].

| S-EPMC3297293 | biostudies-literature

4,6-Dichloro-2-((E)-{4-[(E)-3,5-dichloro-2-hy-droxy-benzyl-idene-amino]-butyl-imino}-meth-yl)phenol.

Project description:The asymmetric unit of the title compound, C(18)H(16)Cl(4)N(2)O(2), comprises half of a potentially tetra-dentate Schiff base ligand. It is located about a twofold rotation axis that bis-ects the central C-C bond of the butane-1,4-diamine group. There are two intra-molecular O-H⋯N hydrogen bonds making S(6) ring motifs. In the crystal, mol-ecules are linked by pairs of weak C-H⋯Cl inter-actions, forming inversion dimers, which are further connected by C-H⋯O hydrogen bonds into two-dimensional frameworks that lie parallel to (001).

| S-EPMC3394034 | biostudies-literature

4,6-Dibromo-2-[(E)-(4-{[(E)-3,5-dibromo-2-hy-droxy-benzyl-idene]amino}-butyl)-imino-meth-yl]phenol.

Project description:The asymmetric unit of the title compound, C(18)H(16)Br(4)N(2)O(2), comprises half the molecule, which is located adjacent to an inversion centre at the mid-point of the central C-C bond of the butane-1,4-diamine segment. There are two intra-molecular O-H⋯N hydrogen bonds making S(6) ring motifs. In the crystal, mol-ecules are linked by pairs of weak C-H⋯Br inter-actions into chains along [101], which include R(2) (2)(8) ring motifs. These chains are further linked by C-H⋯O hydrogen bonds, forming a three-dimensional network.

| S-EPMC3394053 | biostudies-literature

N'-(2-Hy-droxy-3,5-diiodo-benzyl-idene)-2-methyl-benzohydrazide.

Project description:The asymmetric unit of the title compound, C(15)H(12)I(2)N(2)O(2), contains two independent mol-ecules in which the dihedral angles between the two benzene rings are 62.4?(7) and 41.1?(7)°. Intra-molecular O-H?N hydrogen bonds generate S(6) ring motifs in each mol-ecule. In the crystal, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming chains along the a axis.

| S-EPMC3050158 | biostudies-literature

(E)-N'-(2-Hy-droxy-3,5-diiodo-benzyl-idene)-3-methyl-benzohydrazide.

Project description:In the title compound, C(15)H(12)I(2)N(2)O(2), the dihedral angle between the benzene rings is 26.5?(3)° and the mol-ecule has an E configuration about the C=N bond. An intra-molecular O-H?N hydrogen bond is observed in the mol-ecule. In the crystal, mol-ecules are linked by N-H?O hydrogen bonds, forming chains along the c axis.

| S-EPMC3297326 | biostudies-literature

4-Dimethyl-amino-N'-(2-hy-droxy-3,5-diiodo-benzyl-idene)benzohydrazide.

Project description:The title mol-ecule, C(16)H(15)I(2)N(3)O(2), adopts an E configuration about the C=N bond. The dihedral angle between the two benzene rings is 6.4?(2)°. An intra-molecular O-H?N hydrogen bond occurs. In the crystal, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming chains propagating in the c-axis direction.

| S-EPMC3201515 | biostudies-literature

(E)-N'-(2-Hy-droxy-3,5-diiodo-benzyl-idene)nicotinohydrazide acetonitrile monosolvate.

Project description:In the hydrazone molecule of the title compound, C(13)H(9)I(2)N(3)O(2)·CH(3)CN, the aromatic rings form a dihedral angle of 9.4 (3)°. In the crystal structure, inter-molecular I⋯N inter-actions [3.099 (4) Å] link hydrogen-bonded aggregates of the hydrozone and solvent molecules related by translation along the b axis into chains. An intramolecular O-H⋯N hydrogen bond forms an S(6) ring.

| S-EPMC3151945 | biostudies-literature

N'-[(E)-2-Hy-droxy-3,5-diiodo-benzyl-idene]pyridine-3-carbohydrazide.

Project description:In the title compound, C(13)H(9)I(2)N(3)O(2), the dihedral angle between the two aromatic rings is 10.5 (2)°. The mol-ecule displays a trans configuration with respect to the C=N bond. An intra-molecular O-H⋯N hydrogen bond occurs. The crystal packing is stabilized by N-H⋯O and C-H⋯O hydrogen bonds.

| S-EPMC3200631 | biostudies-literature

2,4-Dichloro-6-({2-[(3,5-dichloro-2-hy-droxy-benzyl-idene)amino]-eth-yl}imino-meth-yl)phenol.

Project description:The title mol-ecule, C(16)H(12)Cl(4)N(2)O(2), lies about an inversion center. The symmetry-unique part of the mol-ecule contains an intra-molecular O-H?N hydrogen bond. In the crystal, mol-ecules are arranged in corrugated layers parallel to (-101). Weak ?-? stacking inter-actions, with a centroid-centroid diatance of 3.7923?(13)?Å, are present.

| S-EPMC3379294 | biostudies-literature

2-Chloro-N'-(2-hy-droxy-3,5-diiodo-benzyl-idene)benzohydrazide.

Project description:In the title compound, C(14)H(9)ClI(2)N(2)O(2), the dihedral angle between the benzene rings is 65.9?(2)° and an intra-molecular O-H?N hydrogen bond generates an S(6) ring. The mol-ecule has an E conformation about the C=N bond. In the crystal, mol-ecules are linked into C(4) chains propagating in [001] by N-H?O hydrogen bonds.

| S-EPMC3099825 | biostudies-other

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