Ngày tải lên :
26/02/2014, 19:20
... C20H16O5 336 0 ,79 45 0 ,75 40 1 671 68 0 ,70 40 170 8, 1610 979 p-Bromphenyl 150151 0 ,72 35 170 9, 16 17 977 p-Nitrophenyl 258260 0, 64 40 170 8, 1606 9 84 w-Nitrophenyl 240 241 0,58 35 170 8, 1612 982 o-Nitrophenyl ... cm"' deo 16 94, 16 14 170 9, 1609 MS, m/z 5-CH= Nhdm khac M" Cong thiic M 971 - 320 G20H16IJ4 320 977 - 3 34 C2|H,8 04 3 34 C20H15O4CI 3 54. 5 C2oH|504Br 3 97 - - - - - - - - - 363 C22H2,04N 363 336 C20H16O5 ... STT III Ar (1) (2) -CH^=CH'(3) 7, 41 va6,95 (16,5) 7. 34 vl ' 6. 94 (16.5) 7, 41 va6,95 (16,5) 13 12 7, 42 va 6,93 (16,5) 7, 37 va 7, 24 (16,5) 0,N 10 N(CH3)2 13 70 6 1: 7, 15 va 6,89 (16,0) Phd 'H- NMR:...