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(E)-1-[(2-Chloro-4-nitro-phenyl-imino)-meth-yl]naphthalen-2-ol.

ABSTRACT: In the title compound, C(17)H(11)ClN(2)O(3), an intra-molecular O-H⋯N hydrogen bond influences the mol-ecular conformation; the naphthol system and the substituted benzene ring form a dihedral angle of 3.5 (1)°. In the crystal, weak inter-molecular C-H⋯O hydrogen bonds link mol-ecules into chains in the [010] direction The crystal packing exhibits π-π inter-actions between the aromatic rings from the neighbouring mol-ecules, with a centroid-centroid distance of 3.566 (7) Å.

SUBMITTER: Wang J

PROVIDER: S-EPMC3151923 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1-{(E)-[(2-Fluoro-5-nitro-phen-yl)imino]-meth-yl}naphthalen-2-ol.

Project description:The title mol-ecule, C17H11FN2O3, is nearly planar [maximum deviation = 0.197 (1) Å] and the mol-ecular conformation is stabilized by an N-H⋯O hydrogen bond forming an S(6) ring motif. The H atom of the intra-molecular hydrogen bond was found to be disordered over two sites and thus both the hy-droxy and keto tautomers are simultaneously present in the solid. Refinement of the occupancy of this site suggests that the hy-droxy form is the major component [occupancy refined to 0.59 (3):0.41 (3)]. Bond lengths are also largely consistent with dominance of the hy-droxy form. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds, forming layers parallel to (101). π-π stacking inter-actions [centroid-centroid distances = 3.5649 (9) and 3.7579 (9) Å] inter-connect these layers.

| S-EPMC3684934 | biostudies-literature

Crystal structure of 1-{(E)-[(3,4-di-chloro-phen-yl)imino]-meth-yl}naphthalen-2-ol.

Project description:In the title compound, C17H11Cl2NO, the dihedral angle between the planes of the naphthalene ring system and the benzene ring is 28.88 (11)°. The main twist in the mol-ecule occurs about the N-Cb (b = benzene ring) bond, as indicated by the C=N-Cb-Cb torsion angle of 31.0 (4)°. An intra-molecular O-H⋯N hydrogen bond closes an S(6) ring. In the crystal, inversion dimers linked by pairs of very weak C-H⋯O inter-actions generate R 2 (2)(16) loops.

| S-EPMC4555428 | biostudies-literature

(E)-1-[(3-Iodo-phen-yl)imino-meth-yl]naphthalen-2-ol.

Project description:In the title mol-ecule, C(17)H(12)INO, the dihedral angle between the naphthaldeyde plane and the 3-iodo-aniline plane is20.07?(13)°. It exists in the solid state as an enol-imine tautomer with a strong intra-molecular O-H?N hydrogen bond.

| S-EPMC3470381 | biostudies-literature

(E)-1-[(3-Bromo-phen-yl)imino-meth-yl]naphthalen-2-ol.

Project description:The title compound, C(17)H(12)BrNO, exists in an enol-imine form and the mol-ecular structure features an intra-molecular O-H⋯N hydrogen bond. The dihedral angle between the benzene ring and the naphthalene ring system is 17.27 (15)°.

| S-EPMC3435811 | biostudies-literature

7-Meth-oxy-1-{[(Z)-2-nitro-phenyl-imino](phen-yl)meth-yl}-2-naphthol chloro-form monosolvate.

Project description:In the title compound, C(24)H(18)N(2)O(4)·CHCl(3), the phenyl and benzene rings make a dihedral angle of 38.60?(9)° and connect in an orientation almost perpendicular to the naphthalene ring system at dihedral angles of 78.73?(8) and 81.20?(7)°. The mol-ecule has a Z configuration about the C=N bond. In the crystal, mol-ecules are linked by inter-molecular O-H?N=C hydrogen bonds between the imino moiety and hy-droxy groups. Inter-molecular C-Cl?C inter-actions between Cl atoms of the CHCl(3) mol-ecule and C atoms of the naphthalene rings are also present [Cl?C = 3.353?(2) and 3.326?(19)?Å]. The nitro group and the chloro-form solvent mol-ecule are disordered over two positions with site occupancies of 0.884?(4) and 0.116?(4).

| S-EPMC3011643 | biostudies-literature

1-[(3-Chloro-phen-yl)(morpholin-4-yl)-meth-yl]naphthalen-2-ol.

Project description:In the title compound, C(21)H(20)ClNO(2), the dihedral angle between the naphthyl-ene ring system and the phenyl ring is 77.86 (15)°. The morpholine ring adopts a chair conformation. The hydroxyl group is involved in intra-molecular O-H⋯N hydrogen bonding. A weak inter-molecular C-H⋯π inter-action is present in the crystal structure.

| S-EPMC3151918 | biostudies-literature

1-{(E)-[4-Bromo-2-(trifluoro-meth-oxy)phen-yl]imino-meth-yl}naphthalen-2-ol.

Project description:The title compound, C18H11BrF3NO2, crystallizes in the phenol-imine tautomeric form, with a strong intra-molecular O-H?N hydrogen bond. The dihedral angle between the naphthalene ring system and the benzene ring is 28.54?(10)°.

| S-EPMC3629589 | biostudies-literature

1-[Amino-(4-chloro-phen-yl)meth-yl]-6-bromo-naphthalen-2-ol.

Project description:In the title compound, C(17)H(13)BrClNO, the dihedral angle between the naphthol ring system and the chloro-benzene ring is 76.59?(11)°. This twisted conformation is supported by an intra-molecular O-H?N hydrogen bond. In the crystal, [100] chains arise, with adjacent mol-ecules linked by an N-H?O hydrogen bond, a C-H?? inter-action and an aromatic ?-? stacking contact [centroid-to-centroid separation = 3.783?(2)?Å]. Weak C-H?O inter-actions also occur.

| S-EPMC3275275 | biostudies-literature

4-[(E)-(3-Chloro-4-methyl-phen-yl)imino-meth-yl]-2-methoxy-3-nitro-phenyl acetate.

Project description:The title compound, C(17)H(15)ClN(2)O(5), displays a trans-configuration with respect to the C=N double bond. The mol-ecule is twisted, the dihedral angle between the mean planes of the two benzene rings being 18.70 (12)°. The nitro, meth-oxy and acetyl groups are oriented at 80.70 (11), 35.2 (2) and 72.35 (10)°, respectively, to the benzene ring to which they are bonded. The crystal structure is stabilized by weak C-H⋯O hydrogen-bonding contacts.

| S-EPMC3274996 | biostudies-literature

1-[(3-Methyl-piperidin-1-yl)(3-nitro-phen-yl)meth-yl]naphthalen-2-ol.

Project description:The title compound, C(23)H(24)N(2)O(3), was synthesized from naphthalen-2-ol, 3-nitro-benzaldehyde and 3-methyl-piperidine. The dihedral angles between the naphthalene system and the nitro-benzene and methyl-piperidine rings are 78.53?(13) and 64.14?(15)°, respectively. The mol-ecular conformation is stabilized by a strong intra-molecular O-H?N hydrogen bond.

| S-EPMC3011680 | biostudies-literature

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