Acid catalyzed aldehyde‐indole reaction, synthesis of diindolylantipyrylmethane dyes

Eyüp Akgün, Mustafa Tunali

Research output: Contribution to journalArticlepeer-review

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Abstract

The diindolylmethanes 3–4 are synthesized by condensation of the indoles 1 (2 equiv.) and antipyrine‐4‐carbaldehyde 2 in methanolic p‐toluenesulfonic acid. The methanes 3–4 are converted into their dyes 6–7 by triphenylcarbenium‐tetrafluoroborate in dichloromethane. The structures of 6–7 were confirmed by spectroscopic methods and elemental analysis.

Original languageEnglish (US)
Pages (from-to)921-924
Number of pages4
JournalArchiv der Pharmazie
Volume321
Issue number12
DOIs
StatePublished - 1988

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