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Issue 12, 2018
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Intense excimer CPL of pyrenes linked to a quaternaphthyl

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Abstract

(R,R,R)-Quaternaphthyls possessing eight and six pyrenes (compounds 4 and 3) displayed intense excimer-CPL. The glum values in solution and in the solid state were +0.034–0.037 and +0.0053–0.0056, respectively. The glum values of 3 and 4 were indistinguishable, indicating that the pyrenes of 3 and 4 assumed the same conformation, even in excited states. The intense CPL was caused by conformationally rigid pyrenes arranged via the cumulative steric effects along the quaternaphthyl axis.

Graphical abstract: Intense excimer CPL of pyrenes linked to a quaternaphthyl

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Article information


Submitted
29 Nov 2017
Accepted
10 Jan 2018
First published
12 Jan 2018

Chem. Commun., 2018,54, 1449-1452
Article type
Communication

Intense excimer CPL of pyrenes linked to a quaternaphthyl

K. Takaishi, R. Takehana and T. Ema, Chem. Commun., 2018, 54, 1449
DOI: 10.1039/C7CC09187G

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