反应详情

3-[(4-Fluoro-benzyl)-methyl-carbamoyl]-2-hydroxy-acrylic acid methyl ester (Compound 1-D) was treated with paraformaldehyde and 2-(4-fluoro-phenyl)-ethylamine as described in the preparation of Compound 1. (HRMS (M−H) calcd for C21H19F2N2O3: 385.1364. found: 385.1377. 1H NMR (500 MHz, CDCl3) δ: 2.90 (t, 2, J=7), 2.95 (s, 3), 3.71 (t, 2, J=7), 3.95 (s, 2), 4.57 (s, 2), 6.95–7.26 (overlapping m, 8). 13C NMR (125 MHz, CDCl3) δ: 33.74, 34.48, 44.70, 49.41, 51.47, 108.82, 115.49, 115.66, 115.71, 115.77, 115.89, 129.22, 129.27, 130.04, 130.10, 131.97, 133.72, 153.60, 160.81, 161.42, 162.76, 163.38, 164.71, 166.21.