Highly Fluorescent Dyes Containing Conformationally Restrained Pyrazolylpyrene (Pyrazoolympicene) Chromophore

Highly Fluorescent Dyes Containing Conformationally Restrained Pyrazolylpyrene (Pyrazoolympicene) Chromophore

The triflic-acid-promoted cyclization of 1-phenyl-3-(pyren-1-yl)-1<i>H</i>-pyrazole-4-carbaldehyde afforded a mixture of 9-phenyl-7,9-dihydropyreno (10,1-<i>fg</i>)indazole and 9-phenylpyreno(10,1-<i>fg</i>)indazole-7(9<i>H</i>)-one, readily separable...

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Bibliographic Details
Main Authors: Anna Wrona-Piotrowicz, Anna Makal, Janusz Zakrzewski
Format: Article
Language:English
Published: MDPI AG 2022-02-01
Series:Molecules
Subjects:
pyrazoolympicene
fluorescence
DFT calculations
Online Access:https://www.mdpi.com/1420-3049/27/4/1272

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