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α-溴-γ-丁内酯

产品名称 α-溴-γ-丁内酯

CAS号5061-21-2

分子式C4H5BrO2

分子量164.99

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  • Mass

    MS-NW-5817          
    2-bromo-4-butanolide
    C4H5BrO2            (Mass of molecular ion:    164)
    

       Source Temperature: 250 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          26.0       3.8
          27.0      14.2
          28.0       1.4
          29.0       3.9
          38.0       1.1
          39.0       9.8
          40.0       2.2
          41.0     100.0
          42.0       3.6
          55.0       7.1
         107.0       1.4
         109.0       1.1
         120.0       3.2
         122.0       3.1
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C4 H5 Br O2 0.05 ml : 0.5 ml CDCl3
    2-bromo-4-butanolide
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 4.53 B *1 4.48 C 4.468 D *2 2.853 E *2 2.518

         Hz     ppm     Int.
    

       1819.09   4.552    205
       1817.02   4.547     35
       1812.87   4.537    230
       1809.94   4.529    428
       1803.71   4.514    466
       1801.39   4.508    417
       1795.17   4.492    431
       1791.63   4.483    786
       1788.33   4.475    853
       1784.18   4.465    993
       1782.71   4.461    345
       1780.88   4.457   1000
       1779.42   4.453    291
       1777.83   4.449     70
       1774.90   4.442    241
       1771.61   4.433    240
       1160.16   2.903    163
       1153.08   2.886    191
       1152.34   2.884    216
       1151.61   2.882    190
       1145.39   2.866    334
       1144.53   2.864    215
       1143.92   2.863    204
       1138.43   2.849    242
       1137.82   2.848    281
       1136.84   2.845    332
       1130.74   2.830    240
       1130.00   2.828    245
       1129.39   2.826    249
       1122.31   2.809    189
       1019.41   2.551    209
       1016.11   2.543    398
       1012.82   2.535    313
       1011.35   2.531     68
       1009.89   2.527    388
       1006.59   2.519    216
       1004.88   2.515    183
       1001.59   2.507    341
        998.29   2.498    267
        995.36   2.491    323
        992.07   2.483    179
    

in CDCl3



liquid film