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联苯-4,4-草酸二乙酯

产品名称 联苯-4,4-草酸二乙酯

CAS号47230-38-6

分子式C18H18O4

分子量298.33

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  • Mass

    MS-NW-2362          
    diethyl 4,4'-biphenyldicarboxylate
    C18H18O4            (Mass of molecular ion:    298)
    

       Source Temperature: 220 °C
       Sample Temperature: 150 °C
       Direct, 75 eV
    

          15.0       1.1
          18.0       3.0
          26.0       1.8
          27.0       9.0
          28.0       5.0
          29.0      33.7
          39.0       1.3
          45.0       3.4
          50.0       2.6
          51.0       2.9
          62.0       1.0
          63.0       5.0
          74.0       2.4
          75.0       4.2
          75.5       1.3
          76.0      13.7
          76.5       1.6
          77.0       2.8
          87.0       1.5
          90.0       5.6
          99.0       1.0
         101.0       1.5
         102.0       1.8
         104.0       6.7
         104.5       1.1
         105.0       2.3
         113.0       1.1
         115.0       1.7
         125.0       1.5
         126.0       4.5
         127.0       2.1
         139.0       1.6
         141.0       2.6
         149.0       1.1
         150.0       6.4
         151.0      17.6
         152.0      57.5
         153.0      25.5
         154.0       2.9
         165.0       4.0
         166.0       3.6
         179.0       3.9
         180.0       8.6
         181.0       7.8
         182.0       1.2
         196.0       1.5
         197.0       1.8
         198.0       1.0
         209.0       3.4
         225.0      37.0
         226.0       9.4
         227.0       1.3
         242.0      10.1
         243.0       1.5
         253.0     100.0
         254.0      20.6
         255.0       2.9
         270.0      11.6
         271.0       2.1
         283.0       1.0
         297.0       1.1
         298.0      55.2
         299.0      11.0
         300.0       1.5
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C18 H18 O4 0.045 g : 0.5 ml CDCl3
    diethyl 4,4'-biphenyldicarboxylate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.123 B 7.678 C 4.405 D 1.418

         Hz     ppm     Int.
    

        734.50   8.202     38
        732.63   8.181    316
        732.06   8.174    204
        730.69   8.159    105
        726.00   8.107    117
        723.94   8.084    472
        722.25   8.065     81
        692.94   7.738     70
        691.25   7.719    461
        689.19   7.696    125
        684.56   7.644     96
        683.13   7.628    200
        682.56   7.622    315
        680.81   7.602     45
        405.44   4.528    105
        398.31   4.448    384
        391.19   4.368    402
        384.19   4.290    122
        133.94   1.496    422
        126.88   1.417   1000
        119.69   1.337    377
    

in CDCl3



CCl4 solution



KBr disc



nujol mull



4880 A,200 M,powder