Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Strained and Fluxional Macrocyclic Framework of Anthracene–Diacetylene Cyclic Pentamers
Manami YoshikawaSakiko ImigiKan WakamatsuTetsuo IwanagaShinji Toyota
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Supplementary material

2013 Volume 42 Issue 5 Pages 559-561

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Abstract

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

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© 2013 The Chemical Society of Japan
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