3-Phenylazoacetylacetone

3-Phenylazoacetylacetone (or phenyl-azo-acetylaceton) is a chemical compound used as an intermediate in the preparation of biologically active compounds, chelating agents, and dyes.

Preparation has been described as involving the gradual addition of a solution of benzenediazonium chloride exactly neutralized with sodium carbonate to a cold solution of acetylacetone in aqueous sodium carbonate.

Additional sources

 * Baeyer and Claisen's phenylazoacetylacetone (Abstr., 1888, 828)