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Synthesis 1996; 1996(3): 336-340
DOI: 10.1055/s-1996-4212
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Synthesis of Carba-Porphyrinoids from Tripyrranes and Unsaturated Dialdehydes

Kurt Berlin, Christoph Steinbeck, Eberhard Breitmaier*
  • *Institut für Organische Chemie und Biochemie der Universität, Gerhard Domagk-Straße 1, D-53123 Bonn, Germany, Fax +49(228)735683
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Publication Date:
31 December 2000 (online)

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Hitherto unknown triaza[18]annulenes 3-5 and 7-10 are synthesized by cyclocondensation of tripyrranes 2 with azulene-1,3-dicarboxaldehyde (1) or cycloheptatriene-1,6-dicarboxaldehyde (6). Their spectroscopical properties with respect to 18π aromaticity are discussed.

triaza[18]annulene - carbaporphyrin - aromaticity - cyclocondensation - tripyrranes - azulene-1,3-dicarboxaldehyde - cycloheptatriene-1,6-dicarboxaldehyde

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