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alpha-溴-4-甲氧基苯乙酮

CAS号2632-13-5

分子式C9H9BrO2

分子量229.07

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  • Mass

    MS-NW-9643          
    2-bromo-4'-methoxyacetophenone
    C9H9BrO2            (Mass of molecular ion:    228)
    

       Source Temperature: 270 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          17.0       1.0
          18.0       5.5
          27.0       1.6
          29.0       1.1
          31.0       8.5
          38.0       1.1
          39.0       1.2
          43.0       1.8
          45.0       5.5
          46.0       1.9
          50.0       2.3
          51.0       2.1
          63.0       3.6
          64.0       4.7
          65.0       1.0
          76.0       1.4
          77.0      16.2
          78.0       2.6
          79.0       1.1
          91.0       1.0
          92.0       7.9
         107.0      11.7
         108.0       1.0
         121.0       3.3
         135.0     100.0
         136.0       8.8
         150.0       2.5
         184.0       1.1
         228.0       2.6
         230.0       2.6
    

400 MHz in CDCl3

90 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C9 H9 Br O2 0.042 g : 0.5 ml CDCl3
    2-bromo-4'-methoxyacetophenone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.966 B 6.957 C 4.402 D 3.880

         Hz     ppm     Int.
    

       3190.92   7.985     51
       3188.11   7.978    269
       3186.04   7.973     89
       3181.15   7.960     95
       3179.20   7.955    277
       3176.27   7.948     28
       2787.35   6.975     53
       2784.42   6.968    277
       2782.47   6.963     90
       2777.59   6.951     90
       2775.51   6.945    262
       2772.58   6.938     25
       1759.40   4.403    726
       1550.90   3.881   1000
    


  • 1H NMR 89.56 MHz
    C9 H9 Br O2 0.032 g : 0.5 ml CDCl3
    2-bromo-4'-methoxyacetophenone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.963 B 6.959 C 4.396 D 3.881

         Hz     ppm     Int.
    

        718.19   8.020    201
        716.06   7.996     65
        711.31   7.943     73
        709.13   7.918    248
        706.25   7.886     30
        630.06   7.036     31
        627.31   7.005    225
        625.06   6.980     62
        620.38   6.927     61
        618.25   6.904    187
        393.81   4.398    820
        347.69   3.883   1000
    

in CDCl3



KBr disc



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