Acetoacetanilide () is the N-
phenyl derivative of acetoacetamide. It is also prepared from diketene. It and various derivatives are used in the production of organic
pigments called
arylide yellows, one example being
Pigment Yellow 74. Many analogues have been prepared. To make the dyes, acetoacetanilides are coupled to
diazonium salts, "
azo coupling". is shown. == References ==