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(R)-(-)-2-甲基琥珀酸甲酯

产品名称 (R)-(-)-2-甲基琥珀酸甲酯

CAS号22644-27-5

分子式C7H12O4

分子量160.17

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  • Mass

    MS-IW-9045          
    dimethyl (R)-methylsuccinate
    C7H12O4             (Mass of molecular ion:    160)
    

       Source Temperature: 200 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0      14.7
          27.0       3.7
          28.0       2.6
          29.0       6.5
          31.0       1.8
          39.0       6.1
          40.0       1.6
          41.0      16.3
          42.0       9.3
          43.0       5.6
          45.0       2.0
          55.0       6.2
          56.0       1.7
          58.0       1.7
          59.0     100.0
          60.0       3.1
          69.0      14.5
          70.0       1.3
          72.0       1.5
          74.0       6.1
          85.0       1.5
          87.0      13.0
          99.0       1.5
         100.0      19.7
         101.0      22.2
         102.0       1.3
         128.0      25.8
         129.0      41.5
         130.0       2.9
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H12 O4 0.05 ml : 0.5 ml CDCl3
    dimethyl (R)-methylsuccinate
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 3.701 B *1 3.683 C 2.927 D *2 2.744 E *2 2.425 G 1.226

         Hz     ppm     Int.
    

       1479.25   3.702   1000
       1472.05   3.684    909
       1180.79   2.955     43
       1174.68   2.940     53
       1173.58   2.937     64
       1172.73   2.935     59
       1167.48   2.922     57
       1166.63   2.920     72
       1165.53   2.917     60
       1159.42   2.902     56
       1109.62   2.777    113
       1101.56   2.757     87
       1093.14   2.736    137
       1084.96   2.715    116
        979.49   2.451    127
        973.39   2.436    121
        962.89   2.410    101
        956.79   2.395     95
        493.77   1.236    639
        491.21   1.230     50
        486.57   1.218    629
    

in CDCl3



liquid film