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Synthesis 1996; 1996(3): 336-340
DOI: 10.1055/s-1996-4212
DOI: 10.1055/s-1996-4212
paper
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved.
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or duplication of any kind, translating, preparation of microfilms, and electronic
data processing and storage.Synthesis of Carba-Porphyrinoids from Tripyrranes and Unsaturated Dialdehydes
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
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