Journal
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
Volume 8, Issue 2, Pages 495-501Publisher
SPRINGER
DOI: 10.1007/BF03249083
Keywords
Diazotization; Ionic liquid; Azo dyes; Azo-coupling; Diazonium salt
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Funding
- Azarbaijan University of Tarbiat Moallem
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A new ionic liquid 1-(3-trimethoxysilylpropyl)-3-methylimidazolium nitrite was synthesized. This ionic liquid was used as a convenient nitrosonium source in diazotization of arylamines into their corresponding diazonium salts which were converted into their related azo dyes via the in situ azo-coupling with aniline derivatives or phenolic compounds. The diazotization of anilines in this ionic liquid and subsequent azo-coupling generated the related azo dyes in good to excellent yields at 0-5 degrees C in short reaction times via a simple experimental procedure.
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