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      Palladium-catalyzed synthesis of N-arylated carbazoles using anilines and cyclic diaryliodonium salts

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          Summary

          The direct synthesis of N-arylated carbazoles through a palladium-catalyzed amination of cyclic iodonium salts with anilines is described. In particular, electron-poor aniline derivatives reacted smoothly with only 5 mol % of Pd(OAc) 2 as catalyst to give the desired products in up to 71% yield. Furthermore, the reactivity of cyclic iodonium salts is compared with the reactivity of the corresponding cyclic bromonium analogues.

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          Organic host materials for phosphorescent organic light-emitting diodes.

          Youtian Tao, Chuluo Yang, Jingui Qin (2011)
          Phosphorescent organic light-emitting diodes (PhOLEDs) unfurl a bright future for the next generation of flat-panel displays and lighting sources due to their merit of high quantum efficiency compared with fluorescent OLEDs. This critical review focuses on small-molecular organic host materials as triplet guest emitters in PhOLEDs. At first, some typical hole and electron transport materials used in OLEDs are briefly introduced. Then the hole transport-type, electron transport-type, bipolar transport host materials and the pure-hydrocarbon compounds are comprehensively presented. The molecular design concept, molecular structures and physical properties such as triplet energy, HOMO/LUMO energy levels, thermal and morphological stabilities, and the applications of host materials in PhOLEDs are reviewed (152 references).
          Article 0 comments Cited 202 times – based on 0 reviews     Review now
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            Organic materials for electronic and optoelectronic devices

            Yasuhiko Shirota (2000)
            Article 0 comments Cited 173 times – based on 0 reviews     Review now
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              Isolation and synthesis of biologically active carbazole alkaloids.

              Hans-Joachim Knölker, Kethiri R Reddy (2002)
              Article 0 comments Cited 139 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                Boris J Nachtsheim
                Vy M Dong: Role: Associate Editor
                Journal
                Journal ID (nlm-ta): Beilstein J Org Chem
                Journal ID (iso-abbrev): Beilstein J Org Chem
                Title: Beilstein Journal of Organic Chemistry
                Publisher: Beilstein-Institut (Trakehner Str. 7-9, 60487 Frankfurt am Main, Germany )
                ISSN (Electronic): 1860-5397
                Publication date Collection: 2013
                Publication date (Electronic): 21 June 2013
                Volume: 9
                Pages: 1202-1209
                Affiliations
                [1 ]Merck KGaA, Performance Materials Division, Location F61/391, Frankfurter Straße 250, 64293 Darmstadt, Germany
                [2 ]Institut für Organische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
                Article
                DOI: 10.3762/bjoc.9.136
                PMC ID: 3701385
                PubMed ID: 23843915
                SO-VID: be47c984-9ff5-4ab6-8b6c-949abff42fde
                Copyright © Copyright © 2013, Riedmüller and Nachtsheim; licensee Beilstein-Institut.
                License:

                This is an Open Access article under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                The license is subject to the Beilstein Journal of Organic Chemistry terms and conditions: ( http://www.beilstein-journals.org/bjoc)

                History
                Date received : 10 April 2013
                Date accepted : 28 May 2013
                Categories
                Subject: Full Research Paper
                Subject: Chemistry
                Subject: Organic Chemistry

                ScienceOpen disciplines: Organic & Biomolecular chemistry
                Keywords: amination,carbazoles,hypervalent,iodine,iodonium salts
                Data availability:
                ScienceOpen disciplines: Organic & Biomolecular chemistry
                Keywords: amination, carbazoles, hypervalent, iodine, iodonium salts

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