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2-[(4-Bromo-phenyl-imino)-meth-yl]-4,6-di-iodo-phenol.

ABSTRACT: The title compound, C(13)H(8)BrI(2)NO, was prepared by the reaction of 3,5-diiodo-salicyl-aldehyde with 4-bromo-phenyl-amine in ethanol. There is an intra-molecular O-H?N hydrogen bond in the mol-ecule, which generates an S(6) ring. The dihedral angle between the benzene rings is 2.6?(3)°.

SUBMITTER: Ji H

PROVIDER: S-EPMC3297857 | biostudies-other | 2012 Mar

REPOSITORIES: biostudies-other

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2-[(4-Bromo-phenyl-imino)-meth-yl]-4,6-di-iodo-phenol.

Ji Hao H Ma Hua-Ping HP Yang Yong-An YA Zhu Hai-Liang HL

Acta crystallographica. Section E, Structure reports online 20120224 Pt 3

The title compound, C(13)H(8)BrI(2)NO, was prepared by the reaction of 3,5-diiodo-salicyl-aldehyde with 4-bromo-phenyl-amine in ethanol. There is an intra-molecular O-H⋯N hydrogen bond in the mol-ecule, which generates an S(6) ring. The dihedral angle between the benzene rings is 2.6 (3)°. ...[more]

PMID: 22412660

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2-[(2-Chloro-phen-yl)imino-meth-yl]-4,6-di-iodo-phenol.

Project description:The asymmetric unit of the title compound, C(13)H(8)ClI(2)NO, contains half of the mol-ecule situated on a mirror plane. The hy-droxy group is involved in the formation of an intra-molecular O-H?N hydrogen bond. ?-? inter-actions between the benzene rings of neighbouring mol-ecules [centroid-centroid distance = 3.629?(3)?Å] form stacks along the b axis. In the crystal, weak C-H?O and C-H?Cl inter-actions are observed.

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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.

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4,6-Di-bromo-N-{3-[(4,6-di-bromo-2,3-di-methyl-phenyl)imino]butan-2-yl-idene}-2,3-di-methyl-aniline.

Project description:The title compound, C20H20Br4N2, is a product of the condensation reaction of 4,6-di-bromo-2,3-di-methyl-aniline and butane-2,3-dione. The mol-ecule has a center of symmetry at the mid-point of the central C-C bond. The dihedral angle between the benzene ring and the 1,4-di-aza-butadiene plane is 78.3?(2)°. Niether hydrogen bonding nor aromatic stacking is observed in the crystal structure.

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(E)-2-[(2-Amino-phen-yl)imino-meth-yl]-4,6-di-tert-butyl-phenol.

Project description:In the title compound, C(21)H(28)N(2)O, the dihedral angle between the rings is 35.2?(2)°. A weak intra-molecular O-H?N hydrogen bond is observed between the O-H H atom and the imine N atom. In the crystal, mol-ecules are linked by additional inter-molecular N-H?O hydrogen bonding, resulting in a wave-like chain along the b-axis direction.

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2-{(E)-[4-(Di-phenyl-amino)-phen-yl]imino-meth-yl}phenol.

Project description:The asymmetric unit of the title Schiff base molecule, C25H20N2O, contains two independent mol-ecules. In each mol-ecule, the C=N bond is in an E conformation. The most significant difference between the two mol-ecules is seen for the dihedral angles between the meth-oxy-substituted benzene ring and the two phenyl rings, which are 85.5 (1) and 82.3 (1)° in the first mol-ecule, and 49.0 (1) and 40.4 (1)° in the second. This conformational difference is reflected in the central C=N-C C torsion angle, which is 28.7 (2)° in the first mol-ecule and -29.8 (3)° in the other. In each mol-ecule, there is an intra-molecular O-H⋯N hydrogen bond.

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2-Bromo-4-chloro-6-(4-fluoro-phenyl-imino-meth-yl)phenol.

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(E)-2-{[(2-Amino-pyridin-3-yl)imino]-meth-yl}-4,6-di-tert-butyl-phenol.

Project description:In the title compound, C(20)H(27)N(3)O, the hy-droxy group forms an intra-molecular O-H⋯N hydrogen bond with the imino N atom. The dihedral angle between the aromatic rings is 33.09 (9)°. In the crystal, mol-ecules form centrosymmetric dimers via pairs of N-H⋯N hydrogen bonds involving amino-pyridine fragments.

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2,4-Di-bromo-6-{[(5-chloro-2-methyl-phen-yl)imino]-meth-yl}phenol.

Project description:In the mol-ecular structure of the title Schiff base, C14H10Br2ClNO, the chloro-phenyl ring and di-bromo-phenol ring are almost coplanar; the dihedral angle between the planes of the two rings is 10.50 (18)°. There is an intra-molecular O-H⋯N hydrogen bond, with an O⋯N distance of 2.576 (4)Å. The crystal structure is stabilized by π-π stacking of neighbouring aromatic rings along the b-axis direction [centroid-centroid distance = 3.6896 (5) Å].

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2-[(3-Bromo-phen-yl)imino-meth-yl]phenol.

Project description:The title compound, C(13)H(10)BrNO, was prepared by reaction of 3-bromo-aniline with 2-hydroxy-benzaldehyde at 377?K. The mol-ecular structure and packing are stabilized by an intra-molecular O-H?N hydrogen-bond inter-action.

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