21956-56-9

3,5-二甲氧基二苯乙烯(21956-56-9)核磁图(¹HNMR)

产品名称:3,5-二甲氧基二苯乙烯

CAS:21956-56-9

分子式:C16H16O2

分子量: 240.3

Mass

MS-KW-0570          
trans-3,5-dimethoxystilbene
C16H16O2            (Mass of molecular ion:    240)

   Source Temperature: 170 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      18.0       1.1
      28.0       1.1
      39.0       1.3
      51.0       2.4
      63.0       2.5
      64.0       1.8
      69.0       1.6
      69.5       1.4
      75.0       1.1
      76.0       4.8
      77.0       2.9
      81.5       1.0
      82.0       3.2
      82.5       3.8
      83.0       1.8
      89.0       2.8
      91.0       3.1
     102.0       1.4
     103.0       1.8
     105.0       1.7
     112.5       5.1
     113.0       1.2
     115.0       3.3
     119.0       1.1
     120.0       7.5
     127.0       1.8
     128.0       2.4
     129.0       1.0
     139.0       2.2
     141.0       2.6
     151.0       1.8
     152.0       7.4
     153.0       7.3
     154.0       3.5
     155.0       1.1
     163.0       1.3
     164.0       2.6
     165.0      20.4
     166.0       6.3
     167.0       3.2
     176.0       1.2
     177.0       4.7
     178.0       5.9
     179.0       5.4
     180.0       1.6
     181.0       4.5
     182.0       3.2
     192.0       2.1
     193.0       3.3
     194.0       9.3
     195.0       3.2
     196.0       1.5
     197.0       3.6
     207.0       1.3
     208.0       9.4
     209.0      15.5
     210.0       4.3
     211.0       1.8
     224.0       7.7
     225.0       8.1
     226.0       1.3
     239.0      30.2
     240.0     100.0
     241.0      17.1
     242.0       1.8

400 MHz in CDCl3

¹H NMR	399.65 MHz
C₁₆H₁₆O₂	0.040 g : 0.5 ml CDCl₃
trans-3,5-dimethoxylstilbene

    Assign.     Shift(ppm)

     A           7.490
     B           7.339
     C           7.248
     D *1        7.065
     E *1        7.029
     F           6.666
     G           6.392
     J           3.805

     Hz     ppm     Int.

   2999.39   7.503     63
   2997.93   7.499     84
   2990.73   7.481     96
   2990.00   7.480     90
   2941.53   7.358     60
   2939.82   7.354     23
   2934.21   7.340    115
   2932.99   7.337     56
   2927.98   7.324     31
   2926.40   7.320     65
   2913.70   7.289      3
   2904.55   7.266     26
   2903.20   7.262     46
   2901.98   7.259     27
   2897.83   7.249     21
   2895.88   7.244     57
   2893.93   7.239     16
   2889.78   7.229     13
   2888.55   7.226     22
   2887.33   7.223     12
   2837.53   7.098     26
   2821.17   7.057    120
   2812.87   7.036    133
   2796.64   6.996     28
   2665.78   6.669    193
   2663.46   6.663    195
   2557.26   6.397     63
   2554.94   6.391    111
   2552.74   6.386     57
   1592.05   3.983      7
   1521.12   3.805   1000
   1503.91   3.762      3
   1448.25   3.623      7

in CDCl3