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Kolekcje
Inne
Incorporation of a phenanthrene subunit into a sapphyrin framework: synthesis of expanded aceneporphyrinoids.
Autorzy
Rok wydania
2016
Czasopismo
Numer woluminu
22
Strony
7602-7608
DOI
10.1002/chem.201600606
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
32-Hetero-5,6-dimethoxyphenanthrisapphyrins—macrocycles that link structural features of polycylic aromatic hydrocarbons and expanded porphyrins—were obtained in a straightforward [3+1] condensation reaction of dimethoxyphenanthritripyrrane and 2,5-bis(arylhydroxymethyl)heterocyclopentadienes. The highly folded conformation of formally 4 n π-electron macrocycles causes them to manifest only limited macrocyclic π conjugation as explored by means of NMR spectroscopic and X-ray structural analyses, and supported by DFT calculations. Although protonation does not change their π-conjugation characteristics, the cleavage of ether groups at the phenanthrenylene moiety yields nonaromatic 32-hetero-5,6-dioxophenanthrisapphyrins.
Słowa kluczowe
density functional calculations, macrocycles, phenanthrenes, porphyrinoids, sapphyr in
Adres publiczny
http://dx.doi.org/10.1002/chem.201600606
Strona internetowa wydawcy
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