反应详情

This compound was prepared from 9b (0.668 g, 2.1 mmol) and 17 (0.4 g, 2.1 mmol) following the procedure I to get 18b as white wax (yield 0.76 g, 75%). 1H NMR (400 MHz, CDCl3) δ ppm 0.92-0.95 (t, 3H, J=6 Hz), 1.58-1.65 (m, 3H), 2.04-2.14 (m, 2H), 2.73-2.96 (m, 13H), 3.25 (bs, 4H), 3.48 (s, 1H), 4.04 (s, 3H), 6.57-6.59 (d, 1H, J=8 Hz), 6.66-6.68 (d, 1H, J=8 Hz), 6.86-6.87 (d, 1H, J=4 Hz), 6.92-6.96 (t, 1H, J=8 Hz), 6.99-7.01 (d, 1H, J=8 Hz), 7.37-7.41 (t, 1H, J=8 Hz), 7.54-7.56 (d, 1H, J=8 Hz), 8.72-8.73 (d, 1H, J=4 Hz).