N-Embedded Cubarene: A Quadrangular Member of the Macrocycle Family.
Org Lett
; 25(12): 2078-2083, 2023 Mar 31.
Article
em En
| MEDLINE
| ID: mdl-36946503
ABSTRACT
Despite the large number of synthetic macrocycles, the cubarenes, the quadrangular-shaped macrocyclic arenes, remain less investigated, possibly due either to synthetic challenges or to the lack of suitable building blocks. In this paper, a N-embedded cubarene (cub[4]indolocarbazole) is facilely synthesized by FeCl3·6H2O-catalyzed cyclization in dichloromethane. The endo cavity of cub[4]indolocarbazole can bury quaternary ammonium salts in an intramolecular manner, whereas the intermolecular interaction between its exo walls with Cu2+ generates two-dimensional supramolecular tessellation.
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01-internacional
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MEDLINE
Idioma:
En
Ano de publicação:
2023
Tipo de documento:
Article