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DL-Ethyl 2-bromobutyrate

Product Name DL-Ethyl 2-bromobutyrate

CAS533-68-6

MFC6H11BrO2

MW195.05

¹³CNMR

Mass

MS-NW-1253          
ethyl 2-bromobutyrate
C6H11BrO2           (Mass of molecular ion:    194)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      15.0       3.4
      26.0       4.0
      27.0      26.0
      28.0       5.2
      29.0     100.0
      30.0       2.1
      31.0       2.3
      32.0       1.0
      38.0       1.6
      39.0      15.3
      40.0       2.8
      41.0      95.3
      42.0      14.7
      43.0      37.0
      44.0       1.4
      45.0       8.2
      55.0      11.8
      59.0       1.8
      69.0       6.6
      70.0       2.5
      71.0       1.5
      73.0       2.8
      87.0      10.1
      88.0       1.3
      93.0       1.0
     115.0      20.1
     116.0       1.4
     120.0       3.7
     121.0      25.7
     122.0       5.0
     123.0      24.7
     124.0       1.2
     138.0       4.2
     140.0       3.9
     149.0       5.3
     151.0       5.2
     166.0      24.5
     167.0       1.4
     168.0      24.0
     169.0       1.4
     194.0       1.0
     196.0       1.0

400 MHz in CDCl3

90 MHz in CDCl3

¹H NMR	399.65 MHz
C₆ H₁₁ Br O₂	0.05 ml : 0.5 ml CDCl₃
ethyl 2-bromobutyrate

    Assign.     Shift(ppm)

      A             4.236
      B             4.165
      C     *1      2.11
      D     *1      2.01
      E             1.304
      F             1.031

     Hz     ppm     Int.

   1704.35   4.265    126
   1703.13   4.262    123
   1700.81   4.256     33
   1697.14   4.247    349
   1696.04   4.244    340
   1690.06   4.229    355
   1688.96   4.227    343
   1685.18   4.217     36
   1682.86   4.211    133
   1681.88   4.209    129
   1671.75   4.184    201
   1664.79   4.166    249
   1664.18   4.165    255
   1657.35   4.148    205
    859.13   2.150     62
    852.05   2.132    125
    844.85   2.114    183
    837.77   2.097    191
    830.57   2.079    129
    824.10   2.063     45
    823.36   2.061     46
    816.77   2.044    132
    809.33   2.026    197
    802.00   2.007    161
    795.04   1.990    118
    787.60   1.971     69
    528.20   1.322    628
    521.12   1.304   1000
    513.92   1.286    612
    419.56   1.050    554
    412.23   1.032    918
    404.79   1.013    515

¹H NMR	89.56 MHz
C₆ H₁₁ Br O₂	0.04 ml : 0.5 ml CDCl₃
ethyl 2-bromobutyrate

    Assign.     Shift(ppm)

      A             4.234
      B             4.159
      C             2.05
      D             1.305
      E             1.033

     Hz     ppm     Int.

    390.06   4.356    113
    383.00   4.277    431
    379.63   4.239    134
    375.88   4.197    504
    372.75   4.163    148
    372.19   4.156    172
    368.81   4.119    163
    365.25   4.079    143
    200.94   2.244     31
    194.06   2.167     52
    193.13   2.157     92
    191.44   2.138     37
    190.69   2.130     96
    187.19   2.091     36
    186.31   2.081     98
    185.63   2.073    112
    183.63   2.051    122
    183.19   2.046    106
    179.88   2.009     38
    178.75   1.996    104
    176.88   1.975     81
    176.06   1.966    102
    171.56   1.916     43
    169.31   1.891     52
    123.69   1.382    485
    121.81   1.361     31
    116.69   1.303   1000
    114.38   1.278     32
    109.44   1.222    424
     99.25   1.109    292
     92.13   1.029    593
     84.75   0.947    197

in CDCl3

CCl4 solution

liquid film

4880 A,200 M,liquid

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