sodium hydride; triethylamine in benzene

1: benzene / Heating 2: 35 percent / NaH; Et3N / benzene View Scheme

1: acetylacetone With sodium hydride; triethylamine in benzene 2: 5-chloro-2,4-dimethyl-3-phenylisoxazol-2-ium trifluoromethanesulfonate in benzene 1 h;