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9-(4-Bromo-phen-yl)-3,6-di-tert-butyl-9H-carbazole.

ABSTRACT: The asymmetric unit of the title compound, C(26)H(28)BrN, contains two independent mol-ecules in which the carbazole rings are almost planar, with r.m.s. deviations of 0.0212 (1) and 0.0229 (1) Å. The dihedral angles between the carbazole ring system and the pendent benzene ring are 60.5 (1) and 56.3 (1)° in the two mol-ecules. In the crystal, mol-ecules are linked into chains along the b axis by C-H⋯π inter-actions.

SUBMITTER: Zhang JY

PROVIDER: S-EPMC3238959 | biostudies-literature |

REPOSITORIES: biostudies-literature

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3,6-Di-tert-butyl-9-(quinolin-6-yl)-9H-carbazole.

Project description:In the title compound, C(29)H(30)N(2), the dihedral angle between the mean planes of the carbazole and the quinoline systems is 52.41 (6)°. Mol-ecules are linked into dimers by pairs of inter-molecular C-H⋯N hydrogen bonds and into a three-dimensional network by C-H⋯π inter-actions.

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3,6-Dibromo-9-(4-tert-butyl-benz-yl)-9H-carbazole.

Project description:In the title compound, C(23)H(21)Br(2)N, which was synthesized by the N-alkyl-ation of 1-tert-butyl-4-(chloro-meth-yl)benzene with 3,6-dibromo-9H-carbazole, the asymmetric unit contains two unique mol-ecules. Each carbazole ring system is essentially planar, with mean deviations of 0.0077 and 0.0089?Å for the two mol-ecules. The carbazole planes make dihedral angles of 78.9?(2) and 81.8?(2)° with the planes of the respective benzene rings.

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Crystal structure of 4-bromo-N-[(3,6-di-tert-butyl-9H-carbazol-1-yl)methyl-idene]aniline.

Project description:In the title compound, C27H29BrN2, the carbazole ring system is essentially planar, with an r.m.s. deviation of 0.0781?(16)?Å. An intra-molecular N-H?N hydrogen bond forms an S(6) ring motif. One of the tert-butyl substituents shows rotational disorder over two sites with occupancies of 0.592?(3) and 0.408?(3). In the crystal, two mol-ecules are associated into an inversion dimer through a pair of C-H?? inter-actions. The dimers are further linked by another pair of C-H?? inter-actions, forming a ribbon along the c-axis direction. A C-H?? inter-action involving the minor disordered component and the carbazole ring system links the ribbons, generating a network sheet parallel to (100).

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3,6-Dibromo-9-(4-bromo-benz-yl)-9H-carbazole.

Project description:The title compound, C(19)H(12)Br(3)N, was synthesized by N-alkyl-ation of 1-bromo-4-(bromo-meth-yl)benzene with 3,6-dibromo-9H-carbazole. There are two unique mol-ecules in the asymmetric unit. The carbazole ring system is essentially planar, with a mean deviation of 0.0402?Å for one mol-ecule and 0.0279?Å for the other. The carbazole planes are inclined to the benzene ring planes at dihedral angles of 58.3?(3) and 71.1?(3)° in the two mol-ecules.

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9-(4-Bromo-phen-yl)-9H-carbazole.

Project description:In the title mol-ecule, C18H12BrN, the 4-bromo-phenyl ring is inclined to the mean plane of the carbazole moiety (r.m.s. devation = 0.027 Å) by 49.87 (5)°. In the crystal, molecules stack along [001] and are linked by C-H⋯π interactions forming a corrugated two-dimensional network lying parallel to (100).

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Project description:The tricyclic aromatic ring system of the title compound, C15H9Cl2N, is essentially planar (r.m.s. deviation = 0.002?Å). The two Cl atoms lie slightly out of the plane of the carbazole ring system, with the C-Cl bonds forming angles of 1.23?(8) and 1.14?(8)° with the plane. The acetylene group has a syn orientation with respect to the ring system. In the crystal, no weak hydrogen bonds nor any ?-? stacking inter-actions are observed.

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Project description:In he title compound, C(16)H(13)Br(4)N, the carbazole skeleton is nearly planar [maximum deviation = 0.026 (4) Å] and makes a dihedral angle of 73.8 (4)° with the butyl chain. The butyl chain adopts a trans conformation. In the crystal, mol-ecules are linked by π-π stacking inter-actions [centroid-centroid distance = 3.559 (2) Å].

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tert-Butyl 6-bromo-1,4-dimethyl-9H-carbazole-9-carboxyl-ate.

Project description:The title compound, C(19)H(20)BrNO(2), consists of a carbazole skeleton with methyl groups at positions 1 and 4, a protecting group located at the N atom and a Br atom at position 6. The pyrrole ring is oriented at dihedral angles of 1.27 (7) and 4.86 (7)° with respect to the adjacent benzene rings. The dihedral angle between the benzene rings is 5.11?(7). The crystal structure is determined mainly by intra-molecular C-H?O and inter-molecular ?-? inter-actions. ?-stacking between adjacent molecules forms columns with a parallel arrangement of the carbazole ring systems. The presence of the tert-but-oxy-carbonyl group on the carbazole N atom and the intra-molecular hydrogen bond induce a particular conformation of the exocyclic N-C bond within the mol-ecule.

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3-Bromo-N-(3,5-di-tert-butyl-phen-yl)propanamide.

Project description:The title compound, C17H26BrNO, exhibits a small twist between the amide residue and the benzene ring [C-N-C-C torsion angle = 29.4?(5)°]. In the crystal, the amido NH group is involved in N-H?O hydrogen bonding, which connects mol-ecules into chains parallel to the c axis.

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