Table 3.

C-arylation of acetylacetone using different aryl halides^a

Entry	Aryl halide	Product	Time (h)	Yieldb (%)
1	iodobenzene	3-phenylpentane-2,4-dione	8	80
2	bromobenzene	3-phenylpentane-2,4-dione	10	79
3	p-nitroiodobenzene	3-(4-nitrophenyl)-pentane-2,4-dione	6	83
4	p-methyliodobenzene	3-p-tolylpentane-2,4-dione	10	78
5	m-trifluoromethyliodobenzene	3-(3-trifluromethyl-phenyl)-pentane-2,4-dione	7	81
6	1-iodo-2-methylbenzene	3-o-tolyl-pentane-2,4-dione	11	76
7	1-iodo-4-methoxybenzene	3-(4-methoxy-phenyl)-pentane-2,4-dione	12	75

^aReaction conditions: acetylacetone (3 mmol), aryl halide (1 mmol), 10 mol % CuO-nanoparticles, Cs₂CO₃ (0.5 mmol), DMSO; temperature 80 °C; N₂; 1 atm.

^bIsolated and optimized yields.