反应详情

Following the procedures as described in Example 55, making variations as required to replace 3-methyl-5-(2-oxo-3-(2-phenoxyethyl)imidazolidin-1-yl)thiophene-2-carboxylic acid with 3-methyl-5-(2-oxo-3-(2-oxo-2-phenylethyl)imidazolidin-1-yl)thiophene-2-carboxylic acid to react with 3-(aminomethyl)pyridine, the title compound was obtained as a cream solid in 61% yield: mp 174-176° C.; 1H NMR (300 MHz, CDCl3) δ 8.58 (s, 1H), 8.48 (d, J=4.4 Hz, 1H), 7.97-7.92 (m, 2H), 7.67 (d, J=7.8 Hz, 1H), 7.64-7.57 (m, 1H), 7.51-7.44 (m, 2H), 7.23 (dd, J=7.8, 4.4 Hz, 1H), 6.24 (t, J=5.7 Hz, 1H), 6.11 (s, 1H), 4.72 (s, 2H), 4.56 (d, J=5.7 Hz, 2H), 3.93-3.85 (m, 2H), 3.75-3.67 (m, 2H), 2.48 (s, 3H); 13C NMR (75 MHz, CDCl3) δ 193.8, 163.5, 156.2, 149.2, 148.7, 142.4, 141.6, 135.5, 134.6, 134.2, 134.0, 128.9, 127.9, 123.5, 112.6, 50.0, 43.0, 42.7, 41.1, 16.1; MS (ES+) m/z 435.4 (M+1).