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2-氧代-1-吡咯烷乙酸甲酯

CAS号59776-88-4

分子式C7H11NO3

分子量157.17

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  • Mass

    MS-NW-9470          
    methyl (2-oxo-1-pyrrolidinyl)acetate
    C7H11NO3            (Mass of molecular ion:    157)
    

       Source Temperature: 240 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       4.4
          27.0       2.9
          28.0      10.2
          29.0       1.2
          30.0       1.9
          39.0       4.1
          40.0       1.4
          41.0      20.1
          42.0      13.9
          43.0       9.8
          45.0       1.2
          54.0       1.0
          55.0       2.1
          56.0       2.4
          59.0       1.0
          68.0       6.1
          69.0      17.2
          70.0      43.2
          71.0       2.4
          74.0       1.3
          84.0      25.3
          85.0       1.5
          96.0       1.3
          97.0       1.3
          98.0     100.0
          99.0       6.3
         126.0       2.8
         129.0       1.7
         157.0      25.9
         158.0       2.4
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H11 N O3 0.05 ml : 0.5 ml CDCl3
    methyl (2-oxo-1-pyrrolidinyl)acetate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.070 B 3.736 C 3.501 D 2.411 E 2.097

         Hz     ppm     Int.
    

       1626.83   4.071    612
       1493.04   3.736   1000
       1406.62   3.520    242
       1403.32   3.512     31
       1399.54   3.502    325
       1395.87   3.493     35
       1392.46   3.485    265
        972.29   2.433    162
        964.23   2.413    279
        955.93   2.392    215
        852.66   2.134     65
        845.58   2.116    158
        844.48   2.114    126
        842.29   2.108     32
        838.01   2.097    184
        833.74   2.087     32
        830.32   2.078    148
        829.10   2.075     90
        822.27   2.058     51
    

in CDCl3



liquid film