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Title: Crystallographic evidence for global aromaticity in the di-anion and tetra-anion of a cyclophane hydrocarbon

Anionic forms of a macrocyclic cyclophane were crystallized by treating the neutral hydrocarbon with alkali metals (Li, Na and K). The di-anions show decreased bond-length alternation, consistent with global aromaticity, whereas the anti-aromatic tetra-anion has a low-symmetry geometry.

 
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Award ID(s):
2003411 1834750
NSF-PAR ID:
10491571
Author(s) / Creator(s):
; ; ; ;
Publisher / Repository:
RSC
Date Published:
Journal Name:
Chemical Science
Volume:
14
Issue:
48
ISSN:
2041-6520
Page Range / eLocation ID:
14109 to 14114
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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