反应详情

To 1-(tert-butyl)-3-methyl-1H-pyrazol-5-amine (110 g, 0.71 mol), acetic anhydride (73 ml, 0.71 mol) was added dropwise with stirring. The reaction mixture was stirred for 1-2 h at 20-35° C. Thereafter the reaction mixture was washed with excess of hexane and filtered to obtain the title compound as a yellow solid. MP: 118-120° C.

1. stirringThe reaction mixture was stirred for 1-2 h at 20-35° C
2. washThereafter the reaction mixture was washed with excess of hexane
3. filtrationfiltered