反应详情

Following the procedure as describe in Example 9, making variations as required to replace 2-(3-benzyl-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acid with 4-methyl-2-(2-oxo-3-(4-(trifluoromethoxy)benzyl)imidazolidin-1-yl)thiazole-5-carboxylic acid to react with benzylamine, the title compound was obtained as a white powder in 54% yield: mp 197-198° C.; 1H NMR (300 MHz, CDCl3) δ 7.36-7.16 (m, 9H), 5.97 (t, J=5.4 Hz, 1H), 4.54 (d, J=5.4 Hz, 2H), 4.44 (s, 2H), 4.05 (t, J=8.1 Hz, 2H), 3.44 (t, J=8.1 Hz, 2H), 2.59 (s, 3H); 13C NMR (75 MHz, CDCl3) δ 162.3, 157.2, 155.4, 152.9, 148.9, 137.9, 134.3, 129.7, 128.7, 127.8, 127.6, 121.4, 120.8, 117.4, 47.2, 44.0, 42.0, 41.7, 17.2; MS (ES+) m/z 491.3 (M+1).