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3,4-二甲氧基苯乙酮

产品名称 3,4-二甲氧基苯乙酮

CAS号1131-62-0

分子式C10H12O3

分子量180.2

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  • Mass

    MS-NW-6538          
    3',4'-dimethoxyacetophenone
    C10H12O3            (Mass of molecular ion:    180)
    

       Source Temperature: 250 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          15.0       2.8
          18.0       1.5
          28.0       1.5
          39.0       2.1
          41.0       1.2
          43.0      13.3
          50.0       3.1
          51.0       6.7
          52.0       1.5
          53.0       2.0
          62.0       1.5
          63.0       3.5
          64.0       1.4
          65.0       2.2
          66.0       2.2
          74.0       1.0
          75.0       1.2
          76.0       2.5
          77.0      11.7
          78.0       2.0
          79.0       8.4
          91.0       2.2
          92.0       4.1
          94.0       5.0
          95.0       1.0
         105.0       1.5
         107.0       3.9
         109.0       3.5
         119.0       2.5
         120.0       1.5
         121.0       1.7
         122.0       6.6
         123.0       1.1
         137.0      10.2
         138.0       1.0
         165.0     100.0
         166.0      10.9
         167.0       1.1
         180.0      54.0
         181.0       6.3
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C10 H12 O3 0.050 g : 0.5 ml CDCl3
    3',4'-dimethoxyacetophenone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.58 B 7.53 C 6.89 D *1 3.949 E *1 3.938 F 2.567 J(A,C)=8.6HZ. J(A,B)=2.0HZ.

         Hz     ppm     Int.
    

        684.13   7.639     43
        682.13   7.617     68
        674.50   7.532    265
        673.50   7.521     48
        621.00   6.934     55
        620.19   6.925     41
        613.19   6.847     33
        612.50   6.839     42
        353.69   3.950    659
        352.69   3.939    712
        229.88   2.567   1000
    

in CDCl3



KBr disc



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