反应详情

Following the procedure as describe in Example 9, making variations as required to replace 4-fluorobenzylamine with 2,5-difluorobenzylamine to react with 2-(3-benzyl-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acid, the title compound was obtained as a white powder in 76% yield: mp 176-177° C.; 1H NMR (300 MHz, DMSO-d6) δ 7.37-6.87 (m, 8H), 6.06 (t, J=5.7 Hz, 1H), 4.56 (d, J=5.7 Hz, 2H), 4.46 (s, 2H), 4.05 (t, J=8.1 Hz, 2H), 3.44 (t, J=8.1 Hz, 2H), 2.58 (s, 3H); 13C NMR (75 MHz, DMSO-d6) δ 162.5, 158.4, 157.4, 155.3, 155.2, 153.5, 135.5, 128.9, 128.3, 128.0, 127.0, 126.8, 116.8, 115.4, 48.0, 42.0, 41.6, 37.6, 17.2; MS (ES+) m/z 443.2 (M+1).