反应详情

Following the procedure as described in Example 15, making variations as required to replace 3-methyl-5-(2-oxo-3-(4-(trifluoromethyl)benzyl)imidazolidin-1-yl)thiophene-2-carboxylic acid with 5-(3-(cyclopropylmethyl)-2-oxoimidazolidin-1-yl)-3-methylthiophene-2-carboxylic acid to react with 3-(aminomethyl)pyridine, the title compound was obtained as a colorless solid in 59% yield: mp 157-159° C.; 1H NMR (300 MHz, CDCl3) δ 8.51 (s, 1H), 8.50 (d, J=4.1 Hz, 1H), 7.68 (d, J=7.8 Hz, 1H), 7.28-7.21 (m, 1H), 6.14 (t, J=5.6 Hz, 1H), 6.06 (s, 1H), 4.57 (d, J=5.6 Hz, 2H), 3.85-3.77 (m, 2H), 3.70-3.63 (m, 2H), 3.14 (d, J=7.1 Hz, 2H), 2.48 (s, 3H), 0.99-0.84 (m, 1H), 0.58-0.50 (m, 2H), 0.25-0.19 (m, 2H); 13C NMR (75 MHz, CDCl3) δ 163.6, 155.8, 149.2, 148.8, 142.8, 141.8, 135.5, 134.2, 123.5, 118.6, 112.1, 48.8, 42.9, 42.1, 41.2, 16.1, 9.0, 3.4; MS (ES+) m/z 371.3 (M+1).