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网站主页CAS数据库列表 52267-39-7更多图谱苄基丙二酸二甲酯(52267-39-7)核磁图(1HNMR)

苄基丙二酸二甲酯

产品名称 苄基丙二酸二甲酯

CAS号52267-39-7

分子式C11H12O4

分子量208.21

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  • Mass

    MS-IW-1790          
    benzyl methyl malonate
    C11H12O4            (Mass of molecular ion:    208)
    

       Source Temperature: 270 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          15.0       4.5
          27.0       1.5
          28.0       1.4
          29.0       2.8
          31.0       1.2
          39.0       6.0
          41.0       2.0
          42.0       5.6
          43.0       9.6
          44.0       1.1
          50.0       2.3
          51.0       7.0
          52.0       2.0
          57.0       3.9
          59.0      16.2
          63.0       3.4
          64.0       1.1
          65.0      12.4
          69.0       3.0
          74.0      20.8
          75.0       2.0
          77.0      11.1
          78.0       3.1
          79.0      19.6
          80.0       1.7
          87.0       1.0
          88.5       1.1
          89.0       7.2
          90.0      18.9
          91.0      81.6
          92.0       6.7
         101.0       9.9
         105.0      10.6
         106.0       4.7
         107.0     100.0
         108.0      46.5
         109.0       3.5
         120.0       2.3
         148.0       1.0
         180.0       8.3
         208.0      13.0
         209.0       1.6
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C11 H12 O4 0.05 ml : 0.5 ml CDCl3
    benzyl methyl malonate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.34 B 7.33 C 7.31 D 5.157 E 3.693 F 3.405

         Hz     ppm     Int.
    

       2938.35   7.353     72
       2937.13   7.350    149
       2936.04   7.347    201
       2934.57   7.343    237
       2931.64   7.336    822
       2928.59   7.328    134
       2926.88   7.324    155
       2924.56   7.318    108
       2922.00   7.312     91
       2918.33   7.303     70
       2916.75   7.299     48
       2061.40   5.159    638
       2055.30   5.143     33
       1476.32   3.695   1000
       1364.38   3.414     32
       1361.08   3.406    725
       1357.06   3.396     34
    

in CDCl3



liquid film