Protonation-Triggered Conformational Changes to Möbius Aromatic [32]Heptaphyrins(1.1.1.1.1.1.1)

Switching Aromaticity: Conformations of [32]heptaphyrins(1.1.1.1.1.1.1) are dependent upon meso‐aryl substituents, solvents, temperature, and protonation. Particularly, protonation of meso‐pentafluorophenyl‐substituted [32]heptaphyrin triggers conformational changes to form twisted aromatic Möbius s...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2008-01, Vol.47 (50), p.9657-9660
Main Authors: Saito, Shohei, Shin, Jae-Yoon, Lim, Jong Min, Kim, Kil Suk, Kim, Dongho, Osuka, Atsuhiro
Format: Article
Language:English
Subjects:
aromaticity
heptaphyrins
Möbius aromaticity
porphyrinoids
two‐photon absorption
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Summary:Switching Aromaticity: Conformations of [32]heptaphyrins(1.1.1.1.1.1.1) are dependent upon meso‐aryl substituents, solvents, temperature, and protonation. Particularly, protonation of meso‐pentafluorophenyl‐substituted [32]heptaphyrin triggers conformational changes to form twisted aromatic Möbius structures (see picture), even at room temperature.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200804457