Miller and co-workers identified just such a substrate in some 3-aryl-substituted phenols. Bromination of these phenols was found to be catalysed by simple amides, and an asymmetric variant was ...

Compounds with a phenol group will form a blue, violet, purple, green, or red-brown color upon addition of aqueous ferric chloride. This reaction can be used as a test for phenol groups. Mix several ...