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1-溴-3-甲基-2-丁烯

产品名称 1-溴-3-甲基-2-丁烯

CAS号870-63-3

分子式C5H9Br

分子量149.03

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  • Mass

    MS-IW-1592          
    1-bromo-3-methyl-2-butene
    C5H9Br              (Mass of molecular ion:    148)
    

       Source Temperature: 240 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          26.0       1.3
          27.0      10.6
          28.0       2.0
          29.0       3.8
          38.0       2.3
          39.0      17.6
          40.0       4.6
          41.0      82.0
          42.0       5.2
          43.0       7.6
          50.0       2.3
          51.0       3.7
          52.0       1.8
          53.0      14.8
          54.0       3.8
          55.0       4.1
          59.0       2.0
          65.0       1.9
          67.0      12.5
          68.0       8.4
          69.0     100.0
          70.0       6.6
          71.0       2.0
          81.0       2.7
          93.0       1.4
          95.0       1.6
          97.0       1.7
         121.0       1.5
         137.0       2.4
         148.0       6.8
         149.0      10.1
         150.0       7.1
         151.0       9.6
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H9 Br 0.02 ml : 0.5 ml CDCl3
    1-bromo-3-methyl-2-butene
    ChemicalStructure
        Assign.     Shift(ppm)
    A 5.52 B 4.015 C 1.78 D 1.74 ASSIGNED BY C-H COSY.

         Hz     ppm     Int.
    

        363.63   4.061    406
        355.19   3.966    360
        159.63   1.783   1000
        156.06   1.743    968
        155.69   1.739    947
        154.69   1.728    961
    

in CDCl3



CCl4 solution



liquid film