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Crystal structure of N (1)-phenyl-N (4)-[(quinolin-2-yl)methyl-idene]benzene-1,4-di-amine.

ABSTRACT: In the title compound, C22H17N3, the dihedral angles between the central benzene ring and the terminal phenyl ring and quinoline ring system (r.m.s. deviation = 0.027 Å) are 44.72 (7) and 9.02 (4)°, respectively, and the bond-angle sum at the amine N atom is 359.9°. In the crystal, the N-H group is not involved in hydrogen bonding and the mol-ecules are linked by weak C-H⋯π inter-actions, generating [010] chains.

SUBMITTER: Faizi MS

PROVIDER: S-EPMC4186095 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure of N (1),N (1)-diethyl-N (4)-[(quinolin-2-yl)methyl-idene]benzene-1,4-di-amine.

Project description:The title compound, C20H21N3, is non-planar with a dihedral angle between the planes of the quinoline and phenyl-enedi-amine rings of 9.40 (4)°. In the crystal, mol-ecules are connected by C-H⋯π inter-actions, generating a chain extending along the a-axis direction. Weak C-H⋯π inter-actions also occur.

| S-EPMC4331901 | biostudies-literature

Crystal structure of N (1)-phenyl-N (4)-[(E)-(pyren-1-yl)methyl-idene]benzene-1,4-di-amine.

Project description:In the title compound, C29H20N2, the dihedral angles subtended by the central p-phenyl-enedi-amine ring with respect to the mean plane of the terminal pyrenyl ring system (r.m.s. deviation = 0.027 Å) and the terminal N-phenyl ring are 29.34 (4) and 43.43 (7)°, respectively. The conformation about the C=N bond is E. In the crystal, mol-ecules are linked by N-H⋯π and C-H⋯π inter-actions forming chains propagating along the [10-2] direction. These chains are linked via π-π inter-actions [inter-centroid distances are in the range 3.5569 (11)-3.708 (1) Å], forming slabs lying parallel to (30-4).

| S-EPMC4350710 | biostudies-literature

N (1)-[(1H-Imidazol-2-yl)methyl-idene]-N (4)-phenyl-benzene-1,4-di-amine.

Project description:The title compound, C16H14N4, is non-planar with dihedral angles between the planes of the imidazole and phenyl-enedi-amine rings of 30.66?(4)° and between the planes of the phenyl-enedi-amine and N-phenyl rings of 56.63?(7)°. In the crystal, mol-ecules are connected by N-H?N hydrogen bonds, generating a chain extending along the b-axis direction. The crystal structure is also stabilized by C-H?? inter-actions between N-phenyl and imidazole rings and slipped ?-? stacking inter-actions between imidazole rings [centroid-centroid distance = 3.516?(4)?Å] giving an overall two-dimensional layered structure lying parallel to (010).

| S-EPMC4120595 | biostudies-literature

N,N'-Bis(di-phenyl-meth-yl)benzene-1,4-di-amine.

Project description:The complete mol-ecule of the title compound, C32H28N2, is generated by crystallographic inversion symmetry. The dihedral angles between the central aromatic ring and the pendant adjacent rings are 61.37 (16) and 74.20 (14)°. The N-H group does not participate in hydrogen bonds and there are no aromatic π-π stacking inter-actions in the crystal.

| S-EPMC3914097 | biostudies-literature

Crystal structure of di-μ-chlorido-bis(chlorido-{N (1)-phenyl-N (4)-[(pyridin-2-yl-κN)methyl-idene]benzene-1,4-di-amine-κN (4)}mercury(II)).

Project description:The whole mol-ecule of the title complex, [Hg2Cl4(C18H15N3)2], is generated by inversion symmetry. It was synthesized from the pyridine-derived Schiff base N-phenyl-N'-[(pyridin-2-yl)methyl-idene]benzene-1,4-di-amine (PPMBD). The five-coordinated Hg(2+) ions have a distorted square-pyramidal environment defined by two N atoms, viz. the imine and the other pyridyl [Hg-N = 2.467 (6) and 2.310 (6) Å, respectively] belonging to the bidentate imino-pyridine ligand, and three Cl atoms [Hg-Cl = 2.407 (2), 2.447 (2) and 3.031 (2) Å]. The longest Hg-Cl bond is bridging about the inversion centre. In the ligand, the central ring and pyridine ring are oriented at a dihedral angle of 8.1 (4)°, while the planes of the pyridine ring and the terminal phenyl ring are oriented at a dihedral angle of 53.8 (4)°. In the crystal, mol-ecules are linked by N-H⋯Cl and C-H⋯Cl hydrogen bonds, forming sheets parallel to (001).

| S-EPMC4555402 | biostudies-literature

Crystal structure of (E)-N1-[(anthracen-9-yl)methyl-idene]-N4-phenyl-benzene-1,4-di-amine.

Project description:The title compound, C27H20N2, a Schiff base synthesized via a condensation reaction between anthracene-9-carbaldehyde and N-phenyl-p-phenyl-enedi-amine, crystallizes with three independent mol-ecules in the asymmetric unit. The three mol-ecules have slightly varying overall conformations, all having trans conformations with respect to the C=N bond. In the crystal, the packing features N-H?N hydrogen bonds, which connect mol-ecules into chains extending along the c-axis direction, inter-linked by C-H?? inter-actions (minimum H?Cg = 2.65?Å) into sheets lying parallel to (001).

| S-EPMC5290551 | biostudies-literature

2-[(Di-methyl-phenyl-phosphanyl-idene)aza-nium-yl]-5-methyl-benzene-sulfonate benzene monosolvate.

Project description:The title compound, C15H18NO3PS·C6H6, is a rare example of a crystallographically characterized exocyclic phosphiniminium-arene-sulfonate zwitterion, which crystallises as its benzene solvate. The crystal structure shows that the N atom is protonated and that the iminium H atom forms both intra- and inter-molecular hydrogen bonds to the single-bonded sulfonate O atom in an R 2 (2)(4) graph-set motif. The dihedral angle between the aromatic rings in the main molecule is 89.49?(8)°.

| S-EPMC3685103 | biostudies-literature

Crystal structure of (pyridin-2-yl-methyl-idene)(tri-phenyl-meth-yl)amine.

Project description:The title Schiff base compound, C25H20N2, crystallizes with two independent mol-ecules (A and B) in the asymmetric unit. In both mol-ecules, the imine group is approximately coplanar with the pyridine ring, with N-C-C-N torsion angles of 170.1?(3) and -172.0?(3)?Å. In the crystal, A and B dimers are linked by pairs of C-H?? inter-actions and further C-H?? bonds link the dimers into a three-dimensional network.

| S-EPMC4257176 | biostudies-literature

Crystal structure of di-chlorido-{N (1)-phenyl-N (4)-[(quinolin-2-yl-?N)methylidene]benzene-1,4-diamine-?N (4)}mercury(II).

Project description:In the mononuclear title complex, [HgCl2(C22H17N3)], synthesized from the quinoline-derived Schiff base N (1)-phenyl-N (4)-[(quinolin-2-yl)methyl-idene]benzene-1,4-di-amine (PQMBD) and HgCl2, the coordination sphere around the Hg(2+) atom is distorted tetra-hedral, comprising two Cl atoms [Hg-Cl = 2.3487?(14) and 2.4490?(15)?Å] and two N atom donors from the PQMBD ligand, viz. the quinolyl and the imine N atom [Hg-N = 2.270?(4) and 2.346?(4)?Å, respectively]. The dihedral angle between the two benzene rings attached to the amino group is 43.7?(3)°. In the crystal, N-H?Cl and C-H?Cl hydrogen bonds, as well as ?-? stacking inter-actions between one phenyl ring and the pyridine ring of the quinoline moiety of an adjacent mol-ecule [centroid-to-centroid separation = 3.617?(4)?Å] are observed, resulting in a three-dimensional network.

| S-EPMC4384595 | biostudies-literature

Crystal structures of (E)-(3-ethyl-1-methyl-2,6-di-phenyl-piperidin-4-yl-idene)amino phenyl carbonate and (E)-(3-isopropyl-1-methyl-2,6-di-phenyl-piperidin-4-yl-idene)amino phenyl carbonate.

Project description:In the title compounds, C27H28N2O3, (I), and C28H30N2O3, (II), the conformation about the C=N bond is E. The piperidine rings adopt chair conformations with the attached phenyl rings almost normal to their mean planes, the dihedral angles being 85.82?(8) and 85.84?(7)° in (I), and 87.98?(12) and 86.42?(13)° in (II). The phenyl rings are inclined to one another by 52.87?(8)° in (I) and by 60.51?(14)° in (II). The main difference in the conformation of the two compounds is the angle of inclination of the phen-oxy-carbonyl ring to the piperidine ring mean plane. In (I), these two planes are almost coplanar, with a dihedral angle of 2.05?(8)°, while in (II), this angle is 45.24?(13)°. In the crystal of (I), mol-ecules are linked by C-H?O hydrogen bonds, forming inversion dimers with R 2 (2)(14) loops. The dimers are linked via C-H?? inter-actions forming a three-dimensional network. In the crystal of (II), there are no significant inter-molecular inter-actions present.

| S-EPMC4257207 | biostudies-literature

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