Correlation of Exciplex Formation with Ground State Conformations in β-(1-Pyrenyl)ethyl Benzoates

Authors :: Junko Nakamura
Michiko Iwamura
Jun Kawakami
Source :: Chemistry Letters. 21:1013-1016
Publication Year :: 1992
Publisher :: The Chemical Society of Japan, 1992.
Abstract: β-(1-Pyrenyl)ethyl p-cyanobenzoate (P2CN) which forms an emissive intramolecular exciplex has a “folded” conformation as detected by 1H-NMR NOE. Precise decay lifetime analysis also confirms that the exciplex emission is mainly from that conformer. Exciplex emission was not observed for the p-chlorobenzoate (P2Cl) which did not show NOE.

Subjects :: Crystallography
Stereochemistry
Chemistry
Intramolecular force
Chemical solution
General Chemistry
Nuclear Overhauser effect
Nuclear magnetic resonance spectroscopy
Excimer
Ground state
Conformational isomerism
Benzoates

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