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...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-02-01
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| Series: | Molecules |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1420-3049/27/4/1272 |