All articles of this category Introduction Copper(II) acetylacetonate [Cu(acac) 2 ] (Figure 1) is a soluble copper catalyst that has been widely employed in many types of reactions. It can be readily and easily prepared [ 1 ] from the reaction of acetylacetone with copper(II) sulfate in aqueous basic solution, and is isolated as a blue solid. Figure 1 Copper(II) acetylacetonate Although Cu(acac) 2 has been mostly used as catalyst in different reactions involving diazocompounds, [ 2 ] it is also described as a catalyst for other types of reactions such as benzylation of alcohols, [ 3 ] reduction of aromatic nitro compounds, [ 4 ] aziridination, [ 5 ] [ 6 ] and epoxidation. [ 6 ] The easy access and low cost of copper(II) acetylacetonate, together with its varied applications as catalyst, make Cu(acac) 2 a powerful reagent in organic synthesis.
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Antonio C. B. Burtoloso (2005) studied this question.