Why the reaction of phthalonitrile to phthalocyanine is not giving me a blue/green colour after refluxing in n-pentanol/DBU?

I'm synthesizing a substituted phthalocyanine from phthalonitrile in n-pentanol solvent using DBU as a base and a metal salt but the colour of reaction mass is not turning blue/green after...

07 May 2024 5,134 1 View