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(E)-N-[(6-Bromo-pyridin-2-yl)methyl-idene]-4-methyl-aniline.

ABSTRACT: The title compound, C(13)H(11)BrN(2), a Schiff base obtained from 6-bromo-picolinaldehyde and p-toluidine, has an E configuration about the C=N bond. The dihedral angle between the benzene and pyridine rings is 30.4?(1)°.

SUBMITTER: Cai M

PROVIDER: S-EPMC3200581 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature

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(E)-N-[(6-Bromo-pyridin-2-yl)methyl-idene]-4-methyl-aniline.

Cai Mingjian M Ma Penggao P Wang Xiuge X Sun Tao T

Acta crystallographica. Section E, Structure reports online 20110817 Pt 9

The title compound, C(13)H(11)BrN(2), a Schiff base obtained from 6-bromo-picolinaldehyde and p-toluidine, has an E configuration about the C=N bond. The dihedral angle between the benzene and pyridine rings is 30.4 (1)°. ...[more]

PMID: 22058956

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(E)-2,4,6-Trimethyl-N-(pyridin-2-yl-methyl-idene)aniline.

Project description:In the title compound, C(15)H(16)N(2), has an E conformation about the central N=C bond. The benzene and pyridine rings are almost normal to one another with a dihedral angle of 87.47(8)°. In the crystal, there are no classical hydrogen bonds.

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[4-Bromo-N-(pyridin-2-yl-methyl-idene)aniline-κ(2)N,N']iodido(triphenyl-phosphane-κP)copper(I).

Project description:In the title compound, [CuI(C(12)H(9)BrN(2))(C(18)H(15)P)], the Cu(I) ion is bonded to one I atom, one triphenyl-phosphane P atom and two N atoms of the diimine ligand in a distorted tetra-hedral geometry. The Schiff base acts as a chelating ligand and coordinates to the Cu(I) atom via two N atoms. In the diimine ligand, the dihedral angle between the pyridine and bromo-phenyl rings is 19.2 (2)°. In the crystal, mol-ecules are connected by π-π stacking inter-actions between inversion-related pyridine rings [centroid-centroid distance = 3.404 (3) Å].

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Crystal structure of 4-nitro-N-[(pyridin-2-yl)methyl-idene]aniline.

Project description:The title compound, C12H9N3O2, adopts an E conformation at the imine double bond. The pyridyl ring makes a dihedral angle of 47.78 (5)° with the benzene ring, indicating the mol-ecule is twisted. In the crystal, mol-ecules are π-π stacked into columns parallel to [100], with an inter-planar separation of 3.8537 (8) Å, corresponding to the length of the a axis. The chains are further linked via weak C-H⋯O and C-H⋯N hydrogen bonds, forming two-dimensional sheets parallel to (010). The sheets interact by van der Waals inter-actions.

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(E)-4-Bromo-N-{(E)-3-[(4-bromo-2-methyl-phen-yl)imino]-butan-2-yl-idene}-2-methyl-aniline.

Project description:The title compound, C(18)H(18)Br(2)N(2), is centrosymmetric with the mid-point of the central C-C bond of the butyl group located on an inversion center. The terminal benzene ring is approximately perpendicular to the central butyl plane [dihedral angle = 71.9 (8)°]. No hydrogen bonding or aromatic stacking is observed in the crystal.

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5-Bromo-N-[(E)-(6-bromo-pyridin-2-yl)methyl-idene]pyridine-3,4-diamine.

Project description:The title compound, C(11)H(8)Br(2)N(4), is a Schiff base obtained from 6-bromo-picolinaldehyde and 5-bromo-pyridine-3,4-diamine. The mol-ecule has an E configuration about the C=N bond and the dihedral angle between the two pyridine rings is 14.02 (1)°. The observed conformation is stabilised by an intramolecular N-H⋯N hydrogen bond. In the crystal, mol-ecules are stacked along the b axis and are linked through N-H⋯N hydrogen bonds into chains along the c axis.

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Bromidotricarbon-yl[4-iodo-N-(pyridin-2-yl-methyl-idene)aniline-κN,N']rhenium(I).

Project description:In the title compound, [ReBr(C(12)H(9)IN(2))(CO)(3)], the coordination geometry of the Re(I) ion is a distorted fac-ReC(3)BrN(2) octa-hedron, arising from the N,N'-bidentate ligand, a bromide ion and a facial arrangement of three carbonyl ligands. The dihedral angle between the aromatic rings in the 4-iodo-N-(pyridin-2-yl-methyl-idene)aniline ligand is 46.2 (3)°. The bromide ion and its corresponding trans CO mol-ecule are disordered over two sets of sites in a 0.966 (3):0.034 (3) ratio.

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[4-Bromo-N-(pyridin-2-yl-methyl-idene)aniline-?N,N']bis-(1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato-?O,O')nickel(II).

Project description:The title compound, [Ni(C(5)HF(6)O(2))(2)(C(12)H(9)BrN(2))], the Ni(II) atom exhibits a pseudo-octa-hedral coordination geometry. The structure packs through C-H?Br inter-actions, forming a hydrogen-bonded ladder. There are also strong hydrogen-bonding inter-actions between two of the O atoms of the ?-diketonate ligands and two H atoms on the pyridine ring of the Schiff base ligand.

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Crystal structure of trans-bis-{4-bromo-N-[(pyridin-2-yl)-methyl-idene]aniline-κ(2) N,N'}di-chlorido-ruthenium(II).

Project description:In the title complex, [RuCl2(C12H9BrN2)2] or [RuCl2(PM-BrA)2] (PM-BrA = 4-bromo-N-(2'-pyridyl-methyl-ene)aniline), the Ru(II) cation is located on a centre of inversion and is surrounded by four N atoms of two PM-BrA ligands in the equatorial plane and by two Cl atoms in a trans axial arrangement, displaying a distorted octa-hedral coordination environment. Two C atoms in the benzene ring of the PM-BrA ligand are equally disordered over two sets of sites. The benzene and pyridine rings of the PM-BrA ligand are oriented at dihedral angles of 62.1 (10) and 73.7 (11)° under consideration of the two orientations of the disordered benzene ring. In the crystal, the complex mol-ecules are connected via C-H⋯Cl hydrogen-bonding inter-actions into a layered arrangement parallel (100). C-H⋯Br hydrogen bonding and weak aromatic π-π stacking inter-actions complete a three-dimensional supra-molecular network.

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Dichlorido[2,4-dimethyl-N-(pyridin-2-yl-methyl-idene)aniline-κN,N']dimethyl-tin(IV).

Project description:The asymmetric unit of the title compound, [Sn(CH(3))(2)Cl(2)(C(14)H(14)N(2))], contains two crystallographically independent mol-ecules. In each mol-ecule, the Sn(IV) atom is six-coordinated in a distorted octa-hedral geometry by one bidentate 2,4-di-methyl-N-(pyridin-2-yl-methyl-idene)aniline ligand, two methyl groups and two Cl atoms. In the crystal, inter-molecular C-H⋯Cl hydrogen bonds link the mol-ecules. There are π-π contacts between the pyridine rings of the ligands [centroid-centroid distance = 3.761 (4) Å].

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(Z)-N-[5-Bromo-2-(4-methyl-anilino)-3H-indol-3-yl-idene]-4-methyl-aniline oxide.

Project description:The crystal structure of the title compound, C(22)H(18)BrN(3)O, is stabilized by π-π contacts [centroid-centroid distance = 3.476 (2) Å] between five-membered rings as well as inter-molecular C-H⋯O and C-H⋯N hydrogen bonds. An intra-molecular N-H⋯O hydrogen bond occurs. The benzene rings make a dihedral angle of 59.89 (8)°. The dihedral angles between the fused ring systemand the two benzene rings are 3.46 (7) and 61.97 (7)°.

| S-EPMC3051780 | biostudies-literature

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