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网站主页CAS数据库列表 87-91-2更多图谱L-(+)-酒石酸二乙酯(87-91-2)核磁图(13CNMR)

L-(+)-酒石酸二乙酯

产品名称 L-(+)-酒石酸二乙酯

CAS号87-91-2

分子式C8H14O6

分子量206.19

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  • Mass

    MS-NW-1116          
    diethyl L-tartrate
    C8H14O6             (Mass of molecular ion:    206)
    

       Source Temperature: 240 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          14.0       1.0
          15.0       3.7
          18.0       2.6
          19.0      18.9
          26.0       2.2
          27.0      20.4
          28.0       6.3
          29.0      65.8
          30.0       5.4
          31.0      21.2
          41.0       1.4
          42.0       7.6
          43.0       8.8
          44.0       2.1
          45.0       8.0
          47.0      32.0
          49.0       4.2
          57.0       1.1
          58.0      10.2
          59.0      17.5
          60.0      13.8
          61.0      17.0
          69.0       1.0
          70.0       3.1
          71.0       6.1
          75.0      14.7
          76.0      81.4
          77.0      27.1
          78.0       1.1
          87.0      14.9
          88.0       5.6
          89.0       1.3
          99.0       1.0
         103.0       7.5
         104.0     100.0
         105.0      19.0
         106.0       1.2
         115.0       2.3
         116.0       1.0
         133.0      54.8
         134.0       3.3
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C8 H14 O6 0.05 ml : 0.5 ml CDCl3
    diethyl L-tartrate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.548 B 4.311 C 3.40 D 1.328

         Hz     ppm     Int.
    

        407.38   4.549    457
        397.25   4.436    136
        390.06   4.356    432
        387.00   4.322     37
        386.31   4.314     40
        382.94   4.276    462
        379.00   4.232     30
        378.25   4.224     33
        375.88   4.197    165
        304.94   3.405    321
        125.94   1.407    499
        124.00   1.385     52
        122.94   1.373     50
        118.81   1.327   1000
        114.63   1.280     52
        111.63   1.247    448
    

in CDCl3



CCl4 solution



liquid film



4880 A,200 M,liquid