Diisopropylethylamine → N-methyl-4-(2-(4-nitrophenoxy)phenyl)pyrimidin-2-amine

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To a mixture of methylamine hydrochloride (0.863 g, 12.8 mmol), 2-(methylsulfonyl)-4-(2-(4-nitrophenoxy)phenyl)pyrimidine (0.791 g, 2.13 mmol) in iPrOH was added n,n-diisopropylethylamine (2.60 ml, 14.9 mmol). The reaction was sealed and heated to 70 deg. C. overnight. The resulting clear yellow solution was judged complete by LCMS in the morning. The reaction was cooled to ambient temperature, resulting in the formation of whit crystals. Filter, rinsing with isopropanol. Concentrate filtrate, partition between EtOAc and 1N NaOH. Dry over anhyd. Na2SO4, filter, concentrate to give N-methyl-4-(2-(4-nitrophenoxy)phenyl)pyrimidin-2-amine as a light yellow solid. MS m/z=323 [M+1]+. Calc'd for C17H14N4O3: 322.32.

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