反应详情

Following the procedure as described in Example 5, making variations to replace benzyl bromide with 4-(trifluoromethoxy)benzyl bromide to react with ethyl 4-methyl-2-(2-oxoimidazolidin-1-yl)thiazole-5-carboxylate, the title compound was obtained in 90% yield: 1H NMR (300 MHz, DMSO-d6) δ 7.32 (d, J=8.7 Hz, 2H), 7.18 (d, J=8.7 Hz, 2H), 4.48 (s, 2H), 4.27 (q, J=7.2 Hz, 2H), 4.08 (t, J=7.8 Hz, 2H), 3.46 (t, J=7.8 Hz, 2H), 2.60 (s, 3H), 1.32 (t, J=7.2 Hz, 3H); MS (ES+) m/z 430.2 (M+1).