摘要:
所需产物4,为白色固体(24.2g,94%),mp. 83-85"C,点亮。' mp. 84-86°C. MS (EI) dz (%): [MI+ = 254. IR (KBr): 3320, 1748, 1722, 1535, 1066 cm-';'H NMR (CDCI,): 6 0.97 (t, 3H, J = 7.5 Hz, CH,CH,CH,), 1.79 (m, 2H, J = 7.5 Hz, CH,CH2CH,), 2.78 (t, 2H, J = 7.5 Hz, C&CH,CH, ), 1.38 (t, 6H, J = ~ H z , CO,CH,CH,), 4.39 (q ,4H, J = ~ H z , CO,CH,CH,), 10.15 (s, IH, NH) .',C NMR (CDCI,): 6 166.42, 159.23, 133.51,62.25, 35.54