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2-氯乙酰乙酸乙酯

CAS号609-15-4

分子式C6H9ClO3

分子量164.59

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  • Mass

    MS-NW-5832          
    ethyl 2-chloro-3-oxobutyrate
    C6H9ClO3            (Mass of molecular ion:    164)
    

       Source Temperature: 260 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          15.0       4.7
          26.0       1.7
          27.0       8.7
          28.0       1.4
          29.0      16.4
          31.0       2.2
          41.0       1.0
          42.0       2.8
          43.0     100.0
          44.0       2.6
          45.0       2.7
          62.0       1.0
          69.0       1.7
          73.0       1.3
          76.0       5.7
          78.0       1.8
          92.0       1.9
          94.0      14.2
          96.0       4.6
         118.0       4.3
         119.0       3.1
         120.0       1.6
         121.0       1.4
         122.0      13.1
         124.0       4.2
         136.0       1.7
         164.0       1.8
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C6 H9 Cl O3 0.05 ml : 0.5 ml CDCl3
    ethyl 2-chloro-3-oxobutyrate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.822 B 4.304 C 2.391 D 1.325

         Hz     ppm     Int.
    

       1927.12   4.823    406
       1730.35   4.330    122
       1723.39   4.313    333
       1716.19   4.295    345
       1708.98   4.277    137
        955.93   2.392   1000
        952.51   2.384     53
        536.62   1.343    474
        529.42   1.325    744
        526.86   1.319     38
        524.78   1.314     25
        522.34   1.307    418
        519.53   1.300     25
        519.04   1.299     26
    

in CDCl3



liquid film