Issue 20, 2012
From the journal:

Dalton Transactions

Confusion of Möbius aromaticity: disruption of annulenic pathway in singly N-confused [28]hexaphyrin and its mono-Pd(ii) complex†

Sabapathi Gokulnath,a   Motoki Toganoh,a   Keisuke Yamaguchi,a   Shigeki Mori,b   Hidemitsu Unob  and  Hiroyuki Furuta*ac  

* Corresponding authors

a Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: hfuruta@cstf.kyushu-u.ac.jp
Fax: +81 92-802-2865

b Graduate School of Science and Engineering and Integrated Center for Sciences, Ehime University, Matsuyama 790-8577, Japan

c International Research Center for Molecular Systems, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

Abstract

Singly N-confused [26] and [28]hexaphyrins (4, 5) with planar and twisted structures, respectively, were prepared via the acid catalyzed [3 + 3] condensation of N-confused and regular tripyrrane precursors. Hückel aromaticity is observed for [26]hexaphyrin, while the [28]hexaphyrin and its mono-Pd(II) complex exhibit “nonaromaticity” in spite of their Möbius-type structures, judging from the spectroscopic features and theoretical calculations.

Graphical abstract: Confusion of Möbius aromaticity: disruption of annulenic pathway in singly N-confused [28]hexaphyrin and its mono-Pd(ii) complex

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Article information

DOI
https://doi.org/10.1039/C2DT30306J
Article type
Paper
Submitted
10 Feb 2012
Accepted
19 Mar 2012
First published
20 Mar 2012

Dalton Trans., 2012,41, 6283-6290

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Confusion of Möbius aromaticity: disruption of annulenic pathway in singly N-confused [28]hexaphyrin and its mono-Pd(II) complex

S. Gokulnath, M. Toganoh, K. Yamaguchi, S. Mori, H. Uno and H. Furuta, Dalton Trans., 2012, 41, 6283 DOI: 10.1039/C2DT30306J

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