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(E)-2-[1-(3-Amino-4-chloro-phenyl-imino)eth-yl]-4-bromo-phenol.

ABSTRACT: The title Schiff base compound, C(14)H(12)BrClN(2)O, exists in an E configuration with respect to the central C=N double bond. The amino group adopts a pyramidal configuration. The dihedral angle between the two benzene rings is 76.88 (10)° and an intra-molecular O-H⋯N hydrogen bond forms a six-membered ring, generating an S(6) ring motif. In the crystal structure, mol-ecules are linked into chains along [010] via N-H⋯O hydrogen bonds. The presence of π-π inter-actions [centroid-centroid distance = 3.6244 (12) Å] further stabilizes the crystal structure.

SUBMITTER: Bahron H

PROVIDER: S-EPMC2983940 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-[1-(3-Amino-phenyl-imino)-eth-yl]phenol.

Project description:The title compound, C(14)H(14)N(2)O, exists as the enol-imine tautomer. A strong intra-molecular hydrogen bond between O and N atoms forms a six-membered ring with an S(6) graph-set motif, which is approximately coplanar with the phenol ring, the inter-planar angle being 3.4?(3)°. In the crystal, inter-molecular C-H?O hydrogen bonds and N-H?? inter-actions link the mol-ecules into infinite chains along [100].

| S-EPMC3120413 | biostudies-literature

2-Bromo-4-chloro-6-[(1-phenyl-ethyl)-imino-meth-yl]phenol.

Project description:The title compound, C(15)H(13)BrClNO, is a Schiff base derived from the condensation of equimolar quanti-ties of 3-bromo-5-chloro-salicylaldehyde and 1-phenyl-ethanamine. The structure displays a trans configuration with respect to the imine C=N double bond. The N atom is also involved in an intra-molecular O-H-N hydrogen bond, which stabilizes the configuration of the compound.

| S-EPMC2959591 | biostudies-literature

4-Bromo-2-[(phenyl-imino)-meth-yl]phenol.

Project description:The title compound, C13H10BrNO, is essentially planar (r.m.s. deviation = 0.026?Å) and the dihedral angle between the planes of the two aryl rings is 1.5?(3)°. An intra-molecular O-H?N hydrogen bond generates an S(6) ring.

| S-EPMC4158544 | biostudies-literature

(E)-2,4-Dichloro-6-{1-[(2-chloro-eth-yl)imino]-eth-yl}phenol.

Project description:The title Schiff base compound, C(10)H(10)Cl(3)NO, was prepared by the condensation of 1-(3,5-dichloro-2-hy-droxy-phen-yl)ethanone with chloro-ethyl-amine. The imine adopts an E configuration with respect to the C=N bond. The H atom of the phenolic OH group is disordered over two positions with site occupation factors of 0.52?(7) and 0.48?(7), respectively, and the major occupancy component is involved in an intramolecular N-H?O hydrogen bond. The compound therefore exists in an iminium-phenolate as well as in the imino-phenol form. In the crystal, mol-ecules are connected by C-H?O and C-H?Cl hydrogen bonds and Cl?Cl inter-actions [3.7864?(9)?Å] into a three-dimensional network. In addition, inter-molecular ?-? stacking inter-actions [centroid-centroid distance = 4.4312?(9)?Å] are observed.

| S-EPMC3011393 | biostudies-literature

2-Bromo-4-chloro-6-{(E)-[4-(diethyl-amino)-phen-yl]imino-meth-yl}phenol.

Project description:In the title compound, C(17)H(18)BrClN(2)O, the dihedral angle between the aromatic rings is 3.0?(1)°. The methyl-ethanamine group assumes an extended conformation. An intra-molecular O-H?N hydrogen bond generates an S(6) ring motif. The crystal packing is stabilized by C-H?? and ?-? [centroid-centroid distances = 3.691?(1) and 3.632?(1)?Å] inter-actions.

| S-EPMC3008048 | biostudies-literature

2-[(E)-(4-Bromo-phenyl)imino-methyl]-4-chloro-phenol.

Project description:In the title compound, C13H9BrClNO, the dihedral angle between the substituted benzene rings is 44.25?(11)°. There are strong intra-molecular O-H?N hydrogen bonds, which generate S(6) rings, and also inter-molecular Cl?Cl [3.431?(3)?Å] and Br? Br [3.846?(1)?Å] contacts. The crystal packing a C-H?O and C-H?? inter-actions.

| S-EPMC3998382 | biostudies-literature

4-Bromo-2-{(E)-3-[1-(hydroxy-imino)eth-yl]phenyl-imino-meth-yl}phenol.

Project description:In the title compound, C(15)H(13)BrN(2)O(2), he oxime unit adopts an E conformation with respect to the O-H group. A classical intra-molecular O-H?N hydrogen bond results in the formation of a six-membered ring. The crystal structure is stabilized by inter-molecular O-H?N hydrogen bonds between the hydr-oxy groups and the oxime N atoms. In addition, the crystal structure also features short inter-molecular Br?Br short contacts with a distance of 3.8768?(5)?Å.

| S-EPMC2971802 | biostudies-other

4-Chloro-2-((E)-{3-[1-(hydroxy-imino)eth-yl]phen-yl}imino-meth-yl)phenol.

Project description:The title compound, C(15)H(13)ClN(2)O(2), adopts an E conformation with respect to the azomethine C=N bond. The aniline and phenol rings are almost coplanar, making a dihedral angle of 3.33?(2)°. In the crystal, the mol-ecules lie about inversion centers, forming dimers that are connected by inter-molecular O-H?N hydrogen bonds, resulting in six-membered rings with graph-set motif R(2) (2)(6). In addition, there is a strong inter-molecular O-H?N hydrogen-bonding inter-action, resulting in an S(6) ring motif. Weak ?-? inter-actions between the benzene rings [centroid-centroid distance = 3.809?(1)?Å] further stabilize the crystal structure.

| S-EPMC2972112 | biostudies-literature

2-Bromo-4-chloro-6-[(E)-(2-chloro-phen-yl)imino-meth-yl]phenol.

Project description:The title compound, C(13)H(8)BrCl(2)NO, was obtained by reaction of 3-bromo-5-chloro-salicylaldehyde and 2-chloro-benzenamine in methanol. The mol-ecule displays an E configuration with respect to the imine C=N double bond. The dihedral angle between the two benzene rings is 4.57 (11)°. The mol-ecular conformation is stabilized by an intra-molecular O-H⋯N hydrogen bond. In the crystal structure, mol-ecules are linked by inter-molecular C-H⋯O hydrogen-bonding inter-actions into zigzag chains running parallel to the b axis. Inter-molecular Br⋯Cl [3.5289 (11) Å] and Cl⋯Cl [3.5042 (12) Å] inter-actions are present.

| S-EPMC2968929 | biostudies-literature

4-Bromo-2-[(E)-(4-chloro-phen-yl)imino-meth-yl]phenol.

Project description:In the title compound, C(13)H(9)BrClNO, the dihedral angle between the substituted benzene rings is 43.90?(11)°. Strong intra-molecular O-H?N hydrogen bonds generate S(6) ring motifs. The crystal structure features short intemolecular Br?Br [3.554?(2)?Å] and Cl?Cl [3.412?(2)?Å] contacts. The crystal packing is further stabilized by inter-molecular C-H?O and C-H?? inter-actions.

| S-EPMC3052075 | biostudies-literature

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