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二氟溴乙酸乙酯

CAS号667-27-6

分子式C4H5BrF2O2

分子量202.98

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  • Mass

    MS-IW-5472          
    ethyl bromodifluoroacetate
    C4H5BrF2O2          (Mass of molecular ion:    202)
    

       Source Temperature: 220 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       2.0
          26.0       3.6
          27.0      27.7
          28.0      14.5
          29.0     100.0
          30.0       5.3
          31.0       5.4
          43.0       3.4
          44.0       4.7
          45.0       4.2
          50.0       7.0
          51.0      12.9
          59.0       5.8
          73.0       8.1
          78.0       5.6
          79.0       3.7
          80.0       1.1
          81.0       1.9
          93.0       2.0
          95.0       3.4
         107.0       1.3
         109.0       1.3
         110.0       1.4
         112.0       1.1
         123.0      16.7
         129.0      25.1
         131.0      24.0
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C4 H5 Br F2 O2 0.05 ml : 0.5 ml CDCl3
    ethyl bromodifluoroacetate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.426 B 1.402

         Hz     ppm     Int.
    

       1779.79   4.454    184
       1772.58   4.436    479
       1765.38   4.418    491
       1758.30   4.400    196
        567.75   1.421    615
        560.55   1.403   1000
        553.34   1.385    633
        502.69   1.258     21
    

in CDCl3



liquid film