反应详情

Using the previous procedure and starting from 1-(2,4-dihydroxyphenyl)-2-(4-methoxyphenyl)ethanone (8.0 g, 31.0 mmol) and benzyl alcohol (3.37 mL, 32.55 mmol), 10.23 g (95%) of the title compound was obtained as a white solid: mp 97-98° C. (lit. 93-95° C.); IR (KBr) 1635, 1611, 1512, 1496, 1387, 1351, 1289, 1227, 1173, 1131, 1029, 994, 948, 842, 830, 791, 745, 725, 695, 535 cm−1; 1H NMR (250 MHz, CDCl3) δ 12.73 (s, 1H), 7.75 (d, J=9.6 Hz, 1H), 7.33-7.40 (m, 5H), 7.18 (d, J=8.5 Hz, 2H), 6.87 (d, J=8.5 Hz, 2H), 6.53-6.49 (m, 2H), 5.07 (s, 2H), 4.14 (s, 2H), 3.78 (s, 3H); 13C NMR (69.3 MHz, CDCl3) δ 202.77, 166.19, 165.63, 159.10, 136.26, 132.51, 130.82, 129.15, 128.77, 127.97, 126.71, 114.63, 113.73, 108.71, 102.48, 70.6.5, 55.69, 44.38; HRMS calculated for C22H20NaO4 (M+Na)+ 371.1259; found 371.1265.