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- Title
A Doubly Zwitterionic Antiaromatic [28]Hexaphyrin Formed upon Deprotonation of 5,20-Di( N-methyl-4-pyridinium)-Substituted [28]Hexaphyrin.
- Authors
Naoda, Koji; Osuka, Atsuhiro
- Abstract
A rectangular 5,20-di(4-pyridyl) [26]hexaphyrin was reduced with NaBH4 to give the corresponding twisted Möbius aromatic [28]hexaphyrin. Subsequent double N-methylation gave a dicationic 5,20-di( N-methyl-4-pyridinium) [28]hexaphyrin, which was converted to a doubly zwitterionic and Hückel antiaromatic [28]hexaphyrin upon deprotonation with sodium methoxide.
- Subjects
HEXAPHYRIN; PROTON transfer reactions; AROMATIC compounds; ZWITTERIONS; MOLECULAR structure of porphyrins
- Publication
Chemistry - An Asian Journal, 2016, Vol 11, Issue 20, p2849
- ISSN
1861-4728
- Publication type
Article
- DOI
10.1002/asia.201601071