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9-Ethyl-3-(imidazo[1,2-a]pyrimidin-3-yl)-9H-carbazole.

ABSTRACT: The title compound, C(20)H(16)N(4), is a precursor for the production of electron-transporting and -emitting materials. The bond lengths and angles in this compound are normal. In the crystal structure, there are no significant hydrogen-bonding inter-actions or π-π stacking inter-actions between mol-ecules.

SUBMITTER: Huang PH

PROVIDER: S-EPMC2959935 | biostudies-literature |

REPOSITORIES: biostudies-literature

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(Z)-9-(1,2-Dichloro-vin-yl)-9H-carbazole.

Project description:There are two independent mol-ecules in the asymmetric unit of the title compound, C14H9Cl2N, in which the dihedral angles between the dichloro-vinyl unit (r.m.s. deviations = 0.0003 and 0.0009?Å), and the carbazole ring are 87.77?(3) and 72.90?(3)°.

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9-Ethyl-3-(2-methyl-benzo-yl)-9H-carbazole.

Project description:In the title compound, C(22)H(19)NO, the dihedral angle between the benzene ring and the carbazole ring system 77.1?(1)°.. The crystal structure is stabilized by inter-molecular aromatic ?-? inter-actions between the benzene ring and the pyrrole ring of the carbazole system of neighbouring mol-ecules [centroid-centroid distance = 3.617?(4)?Å]. In addition, the crystal structure exhibits a weak inter-molecular C-H?? inter-action.

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9-Ethyl-3,6-bis-(1H-imidazol-1-yl)-9H-carbazole.

Project description:In the crystal structure of the title compound, C(20)H(17)N(5), the two imidazole rings are twisted with respect to the carbazole plane, making dihedral angles of 55.8?(2) and 43.7?(2)°. The crystal structure is stabilized by weak C-H?N and C-H?? inter-actions.

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Design, synthesis, and bio-evaluation of 9-(pyrimidin-2-yl)-9H-carbazole derivatives that disrupt mitochondrial homeostasis in human lung adenocarcinoma

Project description:Purpose:To further explore the possible molecular mechanism by which compound 5n induces A549 cell apoptosis, we analyzed global transcriptome alterations of A549 cells at certain time points (48 h) after compound 5n treatment using RNA-seq analysis. Methods: Differential expression analysis for mRNA was performed using R package edgeR. Differentially expressed RNAs with |log2(FC)| value >1 and q value <0.05, considered as significantly modulated, were retained for further analysis. This choice is motivated by the decision to maximize the sensitivity of this analysis, in order to perform a massive screening and identify candidate genes to be validated with a wider sample population with real-time PCR analysis Results: The quantity of gene expression was calculated by FPKM (Fragments Per Kilobase of transcript per Million fragments mapped). Genes with log2 (Fold change) >1 and P value < 0.05 were considered as differentially expressed genes (DEGs). There were 146 upregulated genes and 158 downregulated genes for a total of 304 DEGs that were results are shown in Fig. 8A. Furthermore, the enriched KEGG pathways were analyzed and the top 30 pathways involved in these 304 DEGs between the two groups are shown in Figure SI. Among the top 30 pathways, 9 pathways related to mitochondrial function had significant effects. 37 DEGs in KEGG pathway associated with mitochondrial function was conducted and analyzed. Conclusions: Metabolism-related pathways was affected by compound 5n according the RNA-seq analysis

2022-07-01 | GSE190682 | GEO

9-Ethyl-3,6-bis-(5-iodo-2-thien-yl)-9H-carbazole.

Project description:In the title compound, C(22)H(15)I(2)NS(2), the two thio-phene rings are twisted out of the plane of the central pyrrole ring, making dihedral angles of 32.4?(2)° and 9.8?(2). In the crystal, neighboring mol-ecules are linked into centrosymmetric dimers by pairs of C-H?I inter-actions.

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9-Ethyl-3,6-diformyl-9H-carbazole.

Project description:The structure of the title compound, C(16)H(13)NO(2), was determined as a part of a project on the synthesis of new compounds which can make two-photon absorptions. In the crystal structure, both aldehyde groups are located within the carbazole plane. One of these groups is disordered and was refined using a split model with site-occupation factors for each position of 0.5.

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9-Ethyl-9H-carbazole-3-carbaldehyde.

Project description:The title mol-ecule, C(15)H(13)NO, approximates a planar conformation except for the alkyl chain (ethyl group) bonded to the N atom with a maximum deviation from the least-squares plane through the 15 planar atoms of 0.120 (2) Å for the O atom. The distance of the formyl O atom from the plane of the carbazole ring is 0.227 (2) Å. The N-C bond lengths in the central ring are significantly different, reflecting the electron-withdrawing properties of the aldehyde group. As a consequence, charge transfer may occur from the carbazole N atom to the substituted benzene ring.

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2-(Ethyl-sulfin-yl)imidazo[1,2-a]pyridine-3-sulfonamide.

Project description:The supra-molecular structure of the title compound, C(9)H(11)N(3)O(3)S(2), is defined by two inter-molecular hydrogen bonds. Pairs of N-H?N hydrogen bonds link the mol-ecules into centrosymmetric dimers and N-H?O hydrogen bonds link the dimers into a tubular chain structure running parallel to the a axis.

| S-EPMC3344477 | biostudies-literature

1,2-Dihydro-9H-carbazole-4(3H)-thione.

Project description:The crystal structure of the title compound, C(12)H(11)NS, features parallel chains of alternating N-H⋯S hydrogen-bonded mirror-image conformers along [10[Formula: see text]]. The mol-ecular conformation is that of an envelope, with all of the framework atoms except one close to a mean plane (rms deviation 0.054 Å); one C atom of the cyclo-hexene-thione ring forms the envelope flap, which makes a dihedral angle of 48.6 (1)° with the rest of the mol-ecule. There is a π-π* inter-action between pairs of enanti-omers in adjacent chains; the distance between parallel planes is 3.466 (1) Å.

| S-EPMC3099987 | biostudies-literature

[1,2-Bis-(diisopropyl-phosphan-yl)ethane-?P,P']dichloridonickel(II)-9H-carbazole (1/2).

Project description:In the title compound, [NiCl(2)(C(14)H(32)P(2))]·2C(12)H(9)N, the neutral [Ni(dppe)Cl(2)] complex [dppe is 1,2-bis-(diisopropyl-phosphan-yl)ethane] consists of a tetracoordinated Ni(2+) cation and has a crystallographic twofold axis passing through the metal atom and the mid-point of the CH(2)-CH(2) bond of the dppe ligand. The metal atom shows slight tetra-hedral distortion from an ideal square-planar coordination geometry, as reflected in the dihedral angle between NiCl(2) and NiP(2) planes of 15.32?(2)°. The 9H-carbazole ring system is essentially planar (r.m.s. deviation = 0.022?Å). In the crystal packing, there are two symmetry-related 9H-carbazole mol-ecules between two adjacent Ni(II) complexes, with an angle between the carbazole mean planes of ca 77°.

| S-EPMC3100014 | biostudies-literature

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