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Diethyl succinosuccinate

CAS787-07-5

MFC12H16O6

MW256.25


  • Mass

    MS-NW-8958          
    diethyl 2,5-dioxo-1,4-cyclohexanedicarobxylate
    C12H16O6            (Mass of molecular ion:    256)
    

       Source Temperature: 170 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          18.0       2.4
          27.0      11.1
          28.0       2.5
          29.0      20.3
          31.0       2.7
          39.0       3.1
          40.0       3.1
          41.0       4.3
          42.0       1.3
          43.0       3.5
          45.0       4.4
          51.0       1.7
          52.0       4.2
          53.0       8.7
          54.0       5.3
          55.0      23.6
          56.0       2.2
          65.0       1.9
          68.0       5.0
          69.0       7.2
          70.0       1.6
          71.0       2.8
          72.0       4.1
          73.0      14.1
          79.0       2.3
          80.0       4.4
          81.0      11.1
          82.0       5.0
          83.0       5.7
          85.0       1.4
          87.0       2.6
          93.0       1.8
          96.0      21.7
          97.0       4.3
          98.0       5.0
          99.0      17.0
         100.0       4.4
         101.0      15.3
         107.0       4.0
         108.0      12.4
         109.0      17.4
         110.0       8.4
         111.0      12.0
         112.0       1.5
         113.0       1.7
         114.0      30.2
         115.0       3.3
         121.0       1.2
         125.0       3.1
         126.0       8.4
         127.0       9.2
         128.0       3.0
         129.0       3.9
         134.0       1.3
         135.0       8.8
         136.0      45.5
         137.0      80.6
         138.0       9.5
         139.0       2.5
         142.0      95.2
         143.0       7.5
         153.0       8.9
         154.0      10.3
         155.0      16.5
         156.0       1.7
         162.0       4.3
         163.0       6.6
         164.0      29.0
         165.0      33.3
         166.0       4.1
         180.0       1.7
         181.0      32.5
         182.0      25.0
         183.0      19.7
         184.0       3.0
         192.0      27.9
         193.0       4.4
         199.0      11.0
         200.0       1.2
         208.0       6.3
         209.0      10.9
         210.0      83.3
         211.0      36.5
         212.0       4.5
         227.0      41.4
         228.0       5.8
         238.0      14.2
         239.0       2.1
         254.0       2.3
         255.0       3.3
         256.0     100.0
         257.0      14.0
         258.0       2.1
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C12 H16 O6 0.043 g : 0.5 ml CDCl3
    diethyl 2,5-dioxo-1,4-cyclohexanedicarobxylate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12.20 B 4.244 C 3.175 D 1.320

         Hz     ppm     Int.
    

       4876.63  12.203    329
       1707.29   4.272    146
       1700.15   4.255    444
       1693.01   4.237    454
       1685.86   4.219    156
       1268.98   3.176   1000
        534.85   1.339    461
        531.37   1.330     36
        527.70   1.321    903
        520.56   1.303    474
    

in CDCl3



KBr disc



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