l, 9-Substituted fluorenes
Autor: | S. A. Mikhalenko, N. S. Dokunikhin |
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Rok vydání: | 1967 |
Předmět: | |
Zdroj: | Chemistry of Heterocyclic Compounds. 2:319-322 |
ISSN: | 1573-8353 0009-3122 |
Popis: | The synthesis of 2-methyl (phenyl)-2, 3H-pyridazino-[4, 5, 6-m- l] fluorene-3-methylthionium methylsulfates and of derivatives with substituents in the fluorene ring, is described. Reaction of the latter with heterocyclic hydrazones, and also with compounds containing an active methylene or methyl group, gives cyanine dyes. The electronic spectra of the dyes are measured. |
Databáze: | OpenAIRE |
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