反应详情

Following the procedure as described in Example 32, making variations as required to replace 2-(3-((5-chlorobenzo[b]thiophen-3-yl)methyl)-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acid with 2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acid to react with pyrazin-2-ylmethanamine, the title compound was obtained as a colorless solid in 42% yield: mp 185-187° C.; 1H NMR (300 MHz, CDCl3) δ 8.65 (s, 1H), 8.53-8.51 (m, 2H), 7.30-7.25 (m, 2H), 7.07-7.01 (m, 2H), 6.83 (br s, 1H), 4.76 (d, J=6.0 Hz, 2H), 4.46 (s, 2H), 4.09 (t, J=9.0 Hz, 2 H), 3.46 (t, J=9.0 Hz, 2H), 2.63 (s, 3H): MS (ES+) m/z 427.2 (M+1).