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网站主页CAS数据库列表 22398-14-7更多图谱甲氧基亚甲基马来酸二甲酯(22398-14-7)核磁图(13CNMR)

甲氧基亚甲基马来酸二甲酯

产品名称 甲氧基亚甲基马来酸二甲酯

CAS号22398-14-7

分子式C7H10O5

分子量174.15

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  • Mass

    MS-IW-9096          
    dimethyl (methoxymethylene)malonate
    C7H10O5             (Mass of molecular ion:    174)
    

       Source Temperature: 210 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0      26.9
          18.0       3.6
          26.0       4.5
          27.0       5.2
          28.0      10.7
          29.0      13.5
          30.0       2.4
          31.0      12.8
          32.0       5.9
          33.0       2.5
          41.0       5.2
          42.0       3.2
          43.0       3.5
          44.0       7.6
          45.0       6.0
          47.0       8.6
          53.0      10.1
          54.0      15.5
          55.0      11.0
          56.0       6.1
          57.0       1.2
          59.0      38.6
          60.0       3.2
          68.0       1.1
          69.0       7.7
          70.0       1.4
          71.0       1.4
          74.0       2.8
          75.0     100.0
          76.0       3.5
          83.0       2.9
          84.0       3.9
          85.0       4.5
          87.0       1.0
          89.0       1.0
          99.0       1.6
         101.0       3.2
         110.0       3.2
         111.0       3.3
         112.0       4.9
         113.0       3.0
         114.0       2.2
         115.0       1.0
         127.0       2.8
         142.0       2.9
         143.0      94.6
         144.0       6.8
         145.0       8.8
         146.0       1.0
         159.0       3.8
         174.0      22.9
         175.0       2.5
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H10 O5 0.039 g : 0.5 ml CDCl3
    dimethyl (methoxymethylene)malonate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.592 B 3.991 C *1 3.807 D *1 3.758

         Hz     ppm     Int.
    

       3034.30   7.593    382
       1595.09   3.992    968
       1526.00   3.819     38
       1521.48   3.808   1000
       1506.10   3.769     35
       1502.20   3.759   1000
       1497.56   3.748     23
    

in CDCl3



KBr disc



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