Hydroxyphenylazo-1,2,4-triazoles

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1973 English Publisher:CSIRO PublishingJournal:Australian Journal of Chemistry, volume 26, pages 1,585-1,590 (issn: 0004-9425, eissn: 1445-0038,

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Authors: JB Polya; M Woodruff;

doi: 10.1071/ch9731585

Hydroxyphenylazo-1,2,4-triazoles

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Abstract

Azo dyes have been prepared by coupling phenols with diazotized C- amino-1,2,4-triazole and p-aminophenyl-1,2,4-triazoles. Spectroscopic proofs of structure establish preferential para-coupling. The dyes exist in the azo form without evidence for quinone hydrazone tautomers. Spectroscopic evidence and chelation not involving the phenolic hydroxyl group suggest trans-configuration.

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