Deprotonation induced formation of Möbius aromatic [32]heptaphyrins

Deprotonation induced formation of Möbius aromatic [32]heptaphyrins

Upon treatment with tetrabutylammonium fluoride (TBAF), [32]heptaphyrins 1 and 2 underwent conformational changes to form Möbius aromatic species, as indicated by the appearance of sharp and intense B-like bands and distinct Q-like bands, long-lived S1-states, and relatively large TPA cross-section...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2014-01, Vol.50 (5), p.548-550
Hauptverfasser: Cha, Won-Young, Yoneda, Tomoki, Lee, Sangsu, Lim, Jong Min, Osuka, Atsuhiro, Kim, Dongho
Format: Artikel
Sprache:eng
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Zusammenfassung:Upon treatment with tetrabutylammonium fluoride (TBAF), [32]heptaphyrins 1 and 2 underwent conformational changes to form Möbius aromatic species, as indicated by the appearance of sharp and intense B-like bands and distinct Q-like bands, long-lived S1-states, and relatively large TPA cross-section values. Hence, deprotonation has been shown to be an additional effective means to induce the formation of Möbius aromatic expanded porphyrins.
ISSN:1359-7345
1364-548X
DOI:10.1039/c3cc47908k