Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Strained and Fluxional Macrocyclic Framework of Anthracene–Diacetylene Cyclic Pentamers
Manami YoshikawaSakiko ImigiKan WakamatsuTetsuo IwanagaShinji Toyota
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JOURNALS RESTRICTED ACCESS Advance online publication

Article ID: 130100

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Abstract

Macrocyclic oligomers with five 1,8-anthrylene units and five diacetylene linkers were synthesized by successive coupling reactions. The DFT calculations and variable temperature NMR measurements revealed that the cyclic framework is stained and fluxional, where each anthracene unit moves rapidly around all possible orientations.

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© 2013 The Chemical Society of Japan
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