Acetylacetone (2,4-pentanedione) is a β-diketone that occurs in the form of enol and tautomeric keto mixture. In basic solution, this organic compound is deprotonated to form the acac or ...
Figgis, B. N., Lewis, J., Long, R. F., Mason, R., Nyholm, R. S., Pauling, P. J., and Robertson, G. B., Nature, 195, 1278 (1962).