Carbazole for synthesis; CAS Number: 86-74-8; Synonym: Carbazole, Diphenylenimine, 9-Azafluorene; Linear Formula: C12H9N; find Sigma-Aldrich-8.20255 MSDS, related.
Carbazole is isoelectronic with fluorene but the nitrogen bridge improves its hole-accepting abilities (raises the HOMO) and also, unlike the carbon bridge in fluorene, cannot be oxidized to a ketone. As a result poly(2,7-carbazole)s (Figure 22, 53) have been investigated as potentially stable blue emitters, 104,105 whereas the less conjugated poly(3,6-carbazole)s (2) have been proposed as.
A Pd(II)-catalyzed C-H bond amination reaction operates under extremely mild conditions and produces carbazole products in good to excellent yields. Carbazoles possessing complex molecular architecture can also be formed using this reaction, highlighting its potential in natural product synthesis applications.
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CHAPTER - 4 SYNTHESIS OF SUBSTITUTED CARBAZOLE AND PYRAZOLES This chapter is divided into two sections namely Section-A and Section-B. Section-A deals with the synthesis of substituted carbazole and pyrazoles. Section-B describes an alternate synthesis of naratriptan drug using a new intermediate, N-benzyl-N-methylethanesulfonamide.
Carbazole was found to inhibit rac activation as a mechanism for its inhibition of downstream inflammatory and angiogenic pathways. Given its antiangiogenic and anti-inflammatory activities, carbazole is likely a major component of the antipsoriatic activity of coal tar. Carbazole and derivatives may be useful in the therapy of human psoriasis.
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Two monodisperse fluorene-centered, ethynylene-linked carbazole oligomers (Cz4F and Cz6F) were synthesized and fully characterized. They were highly fluorescent and emitted bright blue in solutions and in films. Single- and double-layer devices based on them were fabricated to investigate their electroluminescence (EL) as well as their hole-transport properties.
Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (968K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References.
Missing steps in synthesis diagram. The article text describes the three-step Borsche-Drechsel synthesis of carbazole, but the image shows only an intermediate step. It doesn't really make sense to do this. Either show the whole synthesis, or just remove the image leaving a complete text description. 18.104.22.168 20:55, 4 July 2011 (UTC).
A new carbazole-derived, triphenylamine-containing aromatic diamine monomer, 4,49-diamino-40-N-carbazolyltriphenylamine, was successfully synthesized by the caesium fluoride-mediated condensation.
Polycyclic aromatic compounds are important constituents of pharmaceuticals and other materials. We have developed a series of Rh-catalyzed tandem carbonylative benzannulations for the synthesis of tri-, tetra-, and pentacyclic heterocycles from different types of aryl propargylic alcohols. These tandem reactions provide efficient access to highly substituted carbazoles, furocarbazoles.
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In this paper, polyvinyl carbazole fragments with side-hung chromogenic groups were used as the parent. The relationship between the structure and the properties of NLO was studied by changing the type of spacer groups on chromogenic groups with density functional theory (DFT). The results show that all designed systems have significant second-order NLO response.
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English Spanish online dictionary Tureng, translate words and terms with different pronunciation options. carbazole carbazol polyvinyl carbazole polivinilcarbazol.