7H-1-Benzofuro[2,3-b]carbazole
نویسندگان
چکیده
In the title compound, C(18)H(11)NO, the carbazole and benzofuran rings are almost co-planar, making a dihedral angle of 3.31 (3)°. The crystal structure is stabilized by weak C-H⋯π inter-actions.
منابع مشابه
Crystal structures of three carbazole derivatives: 12-ethyl-7-phenylsulfonyl-7H-benzofuro[2,3-b]carbazole, (1), 2-(4,5-dimethoxy-2-nitrophenyl)-4-hydroxy-9-phenylsulfonyl-9H-carbazole-3-carbaldehyde, (2), and 12-phenyl-7-phenylsulfonyl-7H-benzofuro[2,3-b]carbazole, (3)
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. Co...
متن کاملCrystal structures of two new carbazole derivatives: 12-(4-nitrophenyl)-7-phenylsulfonyl-7H-benzofuro[2,3-b]carbazole and 2-methyl-4-(4-nitrophenyl)-9-phenylsulfonyl-9H-thieno[2,3-b]carbazole
The title compounds, C30H18N2O5S, (I), and C27H18N2O4S2, (II), are carbazole derivatives with a phenyl-sulfonyl group and a nitro-phenyl group attached to the carbazole moiety in identical positions in both mol-ecules. A benzo-furan ring system in (I) and a methyl-thio-phene ring in (II) are fused with the respective carbazole moieties on the same sides. The mean plane of the carbazole ring sys...
متن کامل7-Phenylsulfonyl-2,3-dihydro-7H-1,4-benzodioxino[6,7-b]carbazole
In the title compound, C(24)H(17)NO(4)S, the phenyl ring makes a dihedral angle of 88.12 (5)° with the carbazole unit. The mol-ecular structure is stabilized by weak intra-molecular C-H⋯O inter-actions and the crystal packing exhibits weak inter-molecular C-H⋯O and C-H⋯π inter-actions. Two C atoms of the 2,3-dihydro-1,4-dioxine fragment are disordered over two positions with site-occupancy fact...
متن کامل7-Phenylsulfonyl-7H-benzofurano[2,3-b]carbazole
In the title compound, C(24)H(15)NO(3)S, the dihedral angle between the phenyl ring and the carbozole system is 74.91 (6)°. The S atom exhibits a distorted tetra-hedral geometry [N-S-C = 104.85 (8)°; O-S-O = 119.59 (9)°]. The crystal structure is established by weak inter-molecular π-π inter-actions [centroid-centroid distances = 3.583 (2)-3.782 (2) Å].
متن کاملConformations of three heterocyclic perhydropyrrolobenzofurans and polymeric assembly via co-operative intermolecular C-H...O hydrogen bonds.
In 1-cyclohexyl-6,6,8a-trimethyl-3a,6,7,8a-tetrahydro-1H-1-benzofuro[2,3-b]pyrrole-2,4(3H,5H)-dione, C19H27NO3, (I), and the isomorphous compounds 6,6,8a-trimethyl-1-phenyl-3a,6,7,8a-tetrahydro-1H-1-benzofuro[2,3-b]pyrrole-2,4(3H,5H)-dione, C19H21NO3, (II), and 6,6,8a-trimethyl-1-(3-pyridyl)-3a,6,7,8a-tetrahydro-1H-1-benzofuro[2,3-b]pyrrole-2,4(3H,5H)-dione, C18H20N2O3, (III), the tetrahydroben...
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