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Organoboron complexes in edge-sharing macrocycles: the triphyrin(2.1.1)-tetraphyrin(1.1.1.1) hybrid.
Autorzy
Rok wydania
2019
Czasopismo
Angewandte Chemie - International Edition
Numer woluminu
58
Strony
10946-10950
DOI
10.1002/anie.201904819
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The formation of a precisely designed environment predefined for stabilizing electron‐deficient atoms, such as boron(III), is an important approach for optimizing the properties of a chromophore. A triphyrin(2.1.1) motif built on the extended π‐system of a tetraphyrin(1.1.1.1) skeleton creates a new coordination environment, with a CNN set of donors confined in a limited space predefined for binding small cations. The entrapment of boron(III) in the triphyrin(2.1.1) sector, with formation of a direct B−C bond, significantly changes the optical response and the global aromatic character of the compound, leading to an extension of the π‐delocalisation.
Słowa kluczowe
Aromaticity, boron, optical properties, tetraphyrin, Triphyrin
Adres publiczny
http://dx.doi.org/10.1002/anie.201904819
Strona internetowa wydawcy
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