Cao đẳng - Đại học
... 45. 1; IR (film): 3311, 2966, 2927, 2881, 2 358 , 1734, 1 653 , 155 8, 1489, 1463, 1267, 1130, 1045cm-1; LRMS (ESI) m/z 52 1.0 (M-H+), HRMS (ESI) m/z 52 1.2 451 (M + Na+), calc for C25H36N2 F2O623Na1 52 1.2434 ... MHz, CDCl3, ppm): 50 .6, -51 .8; IR (film): 3406, 2972, 2944, 2883, 1732, 1643, 1 458 , 1383, 13 45, 1296, 1231, 1133 cm-1; LRMS (ESI) m/z 55 5.2, 55 7.1 (M-H+), HRMS (ESI) m/z 57 9.1860 (M + Na+), ... (m, 18H); 13C NMR ( 75. 5 MHz, CDCl3, ppm): δ = 187.1 (dd, J = 20.8, 47.9 Hz), 154 .4, 153 .8, 153 .2, 152 .8, 152 .5, 146.1, 1 45. 7, 144.1, 132.1, 131.2, 130.4, 130.2, 129.9, 128 .5, 128.4, 122.0, 121.8,...