Synthesis of 4,4'-dihydroxyazobenzeneand 4'-Dihydroxyphenylazo-2-naphthol from Diazotised aniline and Anthocyanins from Delonix regia flower
Lawrence Mark Leonard Ogboji, Oaikhena Zekeri Esezobor, Mulu Emmanuel Khan & John Ogbaji Igoli · Chemical Science International Journal · 2017
The synthesis of 4-phenylazo phenol by coupling anthocyanins extracted from Delonix regia flowers with diazotised aniline is presented in this paper. Also reported here is the reduction of 4-phenylazo phenol to yield 4-aminophenol and coupling of 4-aminophenol to phenol and 2-nap...
Open access
Research Article
10.9734/CSJI/2017/35020