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2-(4,5-Dimeth-oxy-2-nitro-phen-yl)-4-meth-oxy-3-methyl-9-phenyl-sulfonyl-9H-carbazole.

ABSTRACT: In the title compound, C28H24N2O7S, the carbazole system is essentially planar, with a maximum deviation of 0.0644?(19)?Å for the C atom connected to the 4,5-dimeth-oxy-2-nitro-phenyl group. The dihedral angle between the carbazole moiety and the dimethoxy-substituted nitrophenyl ring is 58.55?(7)°. The sulfonyl group forms two intra-molecular C-H?O bonds with the adjacent carbazole system, forming two cyclic S(6) motifs. In the crystal, mol-ecules are linked along the a axis in bands consisting of cyclic R 3 (3)(15) motifs through two further C-H?O hydrogen bonds.

SUBMITTER: Narayanan P

PROVIDER: S-EPMC3998409 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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2-(4,5-Dimeth-oxy-2-nitro-phen-yl)-4-meth-oxy-3-methyl-9-phenyl-sulfonyl-9H-carbazole.

Narayanan P P Sethusankar K K Saravanan Velu V Mohanakrishnan Arasambattu K AK

Acta crystallographica. Section E, Structure reports online 20140222 Pt 3

In the title compound, C28H24N2O7S, the carbazole system is essentially planar, with a maximum deviation of 0.0644 (19) Å for the C atom connected to the 4,5-dimeth-oxy-2-nitro-phenyl group. The dihedral angle between the carbazole moiety and the dimethoxy-substituted nitrophenyl ring is 58.55 (7)°. The sulfonyl group forms two intra-molecular C-H⋯O bonds with the adjacent carbazole system, forming two cyclic S(6) motifs. In the crystal, mol-ecules are linked along the a axis in bands consisting ...[more]

PMID: 24765031

Similar Datasets

2-(4,5-Dimeth-oxy-2-nitro-phen-yl)-4-meth-oxy-9-phenyl-sulfonyl-9H-carbazole-3-carbaldehyde.

Project description:In the title compound, C28H22N2O8S, the carbazole ring system is roughly planar, with a maximum deviation of 0.084 (3) Å for the C atom connected to the 4,5-dimeth-oxy-2-nitro-phenyl ring. The dihedral angle between the carbazole system and the dimeth-oxy-substituted nitro-phenyl ring is 57.05 (10)°. The aldehyde C atom deviates by 0.164 (5) Å from its attached carbazole ring system. The mol-ecular structure is stabilized by C-H⋯O inter-actions which generate two S(6) and one S(7) ring motif. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds, forming R 3 (3)(15) ring motifs, which are further crosslinked by R 3 (2)(19) ring motifs, resulting in (002) layers. The crystal packing also features C-H⋯π inter-actions.

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3-Bromo-methyl-4-meth-oxy-2-(2-nitro-phen-yl)-9-phenyl-sulfonyl-9H-carbazole.

Project description:In the title compound, C26H19BrN2O5S, the carbazole tricycle is essentially planar, with the largest deviation being 0.126 (3) Å for the C atom connected to the nitro-phenyl group. The carbazole moiety is almost orthogonal to the benzene rings of the adjacent phenyl-sulfonyl and nitro-phenyl groups, making dihedral angles of 85.43 (15) and 88.62 (12)°, respectively. The mol-ecular conformation is stabilized by two C-H⋯O hydrogen bonds involving the sulfone group, which form similar six-membered rings. In the crystal, mol-ecules symmetrically related by a glide plane are linked in C(6) chains parallel to [001] by C-H⋯O hydrogen bonds formed with the participation of the nitro group. The chains are reinforced by additional C-H⋯π inter-actions.

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2-(4-Chloro-2-nitro-phen-yl)-4-meth-oxy-9-phenyl-sulfonyl-9H-carbazole-3-carbaldehyde.

Project description:In the sterically hindered title compound, C26H17ClN2O6S, the carbazole ring has a maximum deviation from planarity of 0.067 (4) Å for the C atom connected to the aldehyde group. The carbazole moiety forms a dihedral angle of 72.8 (1)° with the nitro-substituted benzene ring. The O atom of the meth-oxy group deviates by 0.186 (1) Å from the adjacent carbazole moiety. The phenyl-sulfonyl group forms intra-molecular C-H⋯O bonds between sulfone O atoms and the carbazole moiety, resulting in two S(6) rings. In the crystal, the nitrated benzene rings are linked via C-H⋯O inter-actions forming infinite C(7) chains along [100]. The crystal packing is also characterized by C-H⋯π inter-actions, which result in inversion dimers.

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2-(4,5-Di-chloro-2-nitro-phen-yl)-4-meth-oxy-3-methyl-9-phenyl-sulfon-yl-9H-carbazole.

Project description:In the title compound, C26H18Cl2N2O5S, the carbazole ring system is essentially planar with a maximum deviation of 0.0498 (16) Å for the N atom. The carbazole ring system is almost orthogonal to the phenyl-sulfonyl and di-chloro-substituted nitro-phenyl rings, making dihedral angles of 84.23 (7) and 85.46 (12)°, respectively. The mol-ecular structure features intra-molecular C-H⋯O inter-actions, which generate two S(6) ring motifs. In the crystal, mol-ecules are linked by C-Cl⋯O halogen bonds [3.016 (3) Å, 166.63 (5)°], which generate infinite C(8) chains running parallel to [010].

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2-(4-Chloro-2-nitro-phen-yl)-9-phenyl-sulfonyl-9H-carbazole-3-carbaldehyde.

Project description:In the title compound, C25H15ClN2O6S, the carbazole ring system is essentially planar, with a maximum deviation of 0.152?(3)?Å for the C atom to which the 4-chloro-2-nitro-phenyl ring is attached. Its mean plane is almost orthogonal to the phenyl-sulfonyl and nitro-phenyl rings, making dihedral angles of 82.64?(14) and 79.89?(13)°, respectively. The N atom of the nitro group deviates by 0.032?(3)?Å from the benzene ring to which it is attached. The mol-ecular structure features intra-molecular O-H?O and C-H?O hydrogen bonds, which generate three S(6) ring motifs. In the crystal, mol-ecules are linked by C-H?O hydrogen bonds, which generate C(6) and C(9) chains running in the [100] and [010] directions, respectively, forming a two-dimensional network lying parallel to (001). There are also R 4 (3)(28) supra-molecular graph-set ring motifs enclosed within these networks.

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6-Meth-oxy-9-phenyl-sulfonyl-2-(2-thien-yl)-9H-thieno[2,3-b]carbazole.

Project description:In the title compound, C(25)H(17)NO(3)S(3), the mean planes of the thieno[2,3-b]carbazole and phenyl rings are inclined at an angle of 63.6?(1)°. The mol-ecular structure features short intra-molecular C-H?O contacts and the crystal packing exhibits weak inter-molecular C-H?S and ?-? inter-actions [centroid-to-centroid distances 3.734?(2)-3.888?(2)?Å].

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8,9-Dimeth-oxy-5-phenyl-sulfonyl-5H-benzo[b]carbazole.

Project description:In the title compound, C(24)H(19)NO(4)S, the benzocarbazole ring system is planar (r.m.s. deviation = 0.016?Å) and forms a dihedral angle of 78.54?(4)° with the sulfonyl-bound phenyl ring. Intra-molecular C-H?O inter-actions are observed. A C(8) chain running along the b axis is formed via inter-molecular C-H?O hydrogen bonds. The chains are linked via weak C-H? ? inter-actions.

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2-(4-Fluoro-2-nitro-phen-yl)-4-hy-droxy-9-phenyl-sulfonyl-9H-carbazole-3-carbaldehyde.

Project description:In the title compound, C25H15FN2O6S, the carbazole ring system is essentially planar, with a maximum deviation of 0.1534 (16) Å for the C atom connected to the 4-fluoro-2-nitro-phenyl ring. It is almost orthogonal to the phenyl-sulfonyl and nitro-phenyl rings, making dihedral angles of 88.45 (8) and 79.26 (7)°, respectively. The mol-ecular structure is stabilized by O-H⋯O and C-H⋯O hydrogen bonds, which generate three S(6) ring motifs. In the crystal, mol-ecules are linked by two C-H⋯O hydrogen bonds, which generate C(6) and C(9) chains running in the [100] and [010] directions, respectively, so forming a two-dimensional network lying parallel to (001). There are also supra-molecular R 4 (3)(28) graph-set ring motifs enclosed within these networks.

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9-Meth-oxy-5-phenyl-sulfonyl-5H-benzo[b]carbazole.

Project description:In the title compound, C(23)H(17)NO(3)S, the mean plane of the benzo[b]carbazole ring system makes a dihedral angle of 77.17?(4)° with the phenyl ring. The S atom is in a distorted tetra-hedral configuration. There are three intra-molecular C-H?O inter-actions forming five- and six-membered rings with graph-set motifs S(5) and S(6), respectively.

| S-EPMC2960649 | biostudies-literature

Crystal structures of three carbazole derivatives: 12-ethyl-7-phenyl-sulfonyl-7H-benzofuro[2,3-b]carbazole, (1), 2-(4,5-dimeth-oxy-2-nitro-phen-yl)-4-hy-droxy-9-phenyl-sulfonyl-9H-carbazole-3-carbaldehyde, (2), and 12-phenyl-7-phenyl-sulfonyl-7H-benzofuro[2,3-b]carbazole, (3).

Project description:The three title compounds, C26H19NO3S, (1), C27H20N2O8S, (2), and C30H19NO3S, (3), are carbazole derivatives, where (1) and (3) are heterocycle-containing carbazoles with a benzo-furan moiety fused to a carbazole unit. In (2), a di-meth-oxy-nitro-phenyl ring is attached to the carbazole moiety. In the three derivatives, a phenyl-sulfonyl group is attached to the N atom of the carbazole unit. Compound (1) crystallizes with two independent mol-ecules in the asymmetric unit (A and B). The carbazole skeleton in the three compounds is essentially planar. In compound (1), the benzene ring of the phenyl-sulfonyl moiety is almost orthogonal to the carbazole moiety, with dihedral angles of 85.42?(9) and 84.52?(9)° in mol-ecules A and B, respectively. The benzene ring of the phenyl-sulfonyl group in compounds (2) and (3) are inclined to the carbazole moiety, making dihedral angles of 70.73?(13) and 81.73?(12)°, respectively. The S atom has a distorted tetra-hedral configuration in all three compounds. In the crystals, C-H?O hydrogen bonds give rise to R22(12) inversion dimers for compound (1), and to R22(24) inversion dimers and R44(40) ring motifs for compound (2). The crystal packing in (1) also features C-H?? and ?-? inter-actions [shortest inter-centroid distance = 3.684?(1)?Å], leading to supra-molecular three-dimensional aggregation. In the crystal of compound (2), the combination of the various C-H?O hydrogen bonds leads to the formation of a three-dimensional network. In the crystal of compound (3), mol-ecules are linked by C-H?O hydrogen bonds, forming chains running parallel to the a axis, and the chains are linked by C-H?? inter-actions, forming corrugated sheets parallel to the ab plane.

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