反应详情

Following the procedure as described in Example 1, making variations as required to replace 2-(1-(4-fluorobenzyl)-5-oxo-1H-1,2,4-triazol-4(5H)-yl)-4-methylthiazole-5-carboxylic acid with 4-methyl-2-(2-oxo-3-(4,4,4-trifluorobutyl)-imidazolidin-1-yl)thiazole-5-carboxylic acid, the title compound was obtained as a colorless solid in 52% yield: 1H NMR (300 MHz, CDCl3) δ 5.58 (s, 2H), 4.17-4.11 (m, 2H), 3.64-3.59 (m, 2H), 3.44-3.39 (m, 2H), 2.61 (s, 3H), 2.22-2.08 (m, 2H), 1.92-1.82 (m, 2H); 13C NMR (75 MHz, CDCl3) δ164.3, 157.7, 155.6, 155.5, 153.8, 128.6, 124.9, 116.9, 42.9, 42.3, 42.0, 31.8, 31.4, 30.9, 30.6, 20.2, 20.1, 17.3; MS (ES+) m/z 336.8 (M+1).