Möbius Aromatic [28]Hexaphyrin Phosphonium Adducts

In a twist: [28]Hexaphyrin phosphonium adducts formed from the reaction with phosphines have been identified as Möbius aromatic species. On the other hand, the Hückel aromatic [26]hexaphyrin PdII complex underwent regioselective nucleophilic reactions with phosphines to provide Möbius aromatic [28]h...

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Bibliographic Details
Published in:Chemistry : a European journal 2011-08, Vol.17 (33), p.9028-9031
Main Authors: Inoue, Mitsunori, Yoneda, Tomoki, Youfu, Katsuyuki, Aratani, Naoki, Osuka, Atsuhiro
Format: Article
Language:English
Subjects:
Adducts
aromaticity
Chemistry
expanded porphyrin
nucleophilic substitution
palladium complex
phosphine
Phosphines
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Summary:In a twist: [28]Hexaphyrin phosphonium adducts formed from the reaction with phosphines have been identified as Möbius aromatic species. On the other hand, the Hückel aromatic [26]hexaphyrin PdII complex underwent regioselective nucleophilic reactions with phosphines to provide Möbius aromatic [28]hexaphyrin phosphonium adducts. The phosphonium ylide contribution is more dominant and hence more aromatic in the latter phosphonium PdII complexes.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201100757