反应详情

Following the procedure as described in Example 14, making variations as required to replace ethyl 3-methyl-5-(2-oxo-3-(4-(trifluoromethyl)benzyl)imidazolidin-1-yl)thiophene-2-carboxylate with ethyl 2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylate, the title compound was obtained as a colorless solid in 80% yield: 1H NMR (300 MHz, DMSO-d6) δ 7.39-7.34 (m, 2H), 7.22-7.17 (m, 2H), 4.43 (s, 2H), 4.01-3.98 (m, 2H), 3.48-3.43 (m, 2H), 2.50 (s 3H): MS (ES+) m/z 336.1 (M+1).