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Synfacts 2008(4): 0363-0363  
DOI: 10.1055/s-2008-1042849
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York

Metalation-Triggered Möbius Aromaticity

Contributor(s): Timothy M. Swager, Jose M. Lobez
Y. Tanaka, S. Saito, S. Mori, N. Aratani, H. Shinokubo, N. Shibata, Y. Higuchi, Z. S. Yoon, K. S. Kim, S. B. Noh, J. K. Park, D. Kim*, A. Osuka*
Yonsei University, Seoul, Korea; Kyoto University, University of Hyogo and The RIKEN SPring-8 Center, Hyogo, Japan
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Publikationsdatum:
19. März 2008 (online)

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Significance

A new way to achieve complexes that exhibit Möbius aromaticity is described. Conjugated oligopyrrolic macrocycles (also known as expanded porphyrins) were locked into a twisted Möbius strip conformation using group 10 metals. Experimental and numerical studies reveal compounds 3, 5, and 7-9 as conformationally locked Möbius aromatic molecules.