Ngày tải lên :
11/03/2014, 16:20
... 62,51 5' 139 ,54 104,86 154,40 135 ,61 154 40 104,86 87,16 55,70 72,84 133 ,08 104,55 149 ,35 136 ,24 149 ,35 104,55 87,56 55,48 72,91 57,09 x2 56, 83 x2 105 ,35 75,70 77,81 71 ,33 78 ,32 62,59 2' 3' 4' 5' ... Hz, H-7), 4, 73 (IH, d, = 4,5 Hz, H7'), 4 ,30 (lH,d, = 9,0Hz, H,-9), 3, 93 (IH, dd, = 3, 0, 9,0 Hz, Hb-9), 3, 87 (6H, s, x OCH3), 3, 85 (6H, s, X OCH3), 3, 80 (IH, dd, 7= 2,5, 12,0Hz, H,-9') 3, 69 ( IH, ... la 35 8 mach dudng dugc gin ket vdi phin aglycon tai 760 Bdng 1: Phd '•'C-NMR ciia cac hgp chit Cacbon r 2' 3' 4' 5' 6' 7' 8' 9' 3, 3' -OCH3 3, 5-OCH, 3' ,5'-OCH, glc #.y 132 ,9 108,7 146,7 145 ,3 114,3...