isobutyl 2-ethylbutyrate(74082-06-7)核磁图(¹³CNMR)

Mass

MS-IW-3551          
isobutyl 2-ethylbutyrate
C10H20O2            (Mass of molecular ion:    172)

   Source Temperature: 220 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      27.0      11.9
      28.0       2.4
      29.0      24.9
      31.0       1.2
      39.0      10.1
      40.0       1.8
      41.0      37.8
      42.0       6.5
      43.0      69.1
      44.0       2.4
      45.0       1.9
      53.0       1.7
      55.0      17.9
      56.0      64.8
      57.0      58.3
      58.0       2.6
      60.0       1.3
      69.0       2.9
      70.0       6.3
      71.0      97.7
      72.0       6.3
      73.0      10.1
      87.0      16.8
      88.0      32.4
      89.0       4.5
      99.0     100.0
     100.0       7.1
     101.0       3.9
     116.0       3.3
     117.0      67.1
     118.0       4.6
     129.0       2.2
     144.0       9.4

Assign. Shift(ppm) A 3.873 B 2.214 C 1.939 D *1 1.630 E *1 1.526 F 0.944 G 0.900 J(B,D)=8.7HZ J(B,E)=5.5HZ J(D,E)=-13.7HZ J(D,G)=J(E,G)=7.4HZ

     Hz     ppm     Int.

   1551.15   3.882    506
   1544.56   3.865    511
    894.17   2.238     45
    890.99   2.230     46
    888.67   2.224     30
    885.50   2.216     91
    882.20   2.208     31
    880.00   2.202     53
    876.83   2.194     51
    788.94   1.975     44
    782.23   1.958     88
    775.51   1.941    110
    768.80   1.924     91
    762.21   1.908     49
    668.58   1.673     58
    662.35   1.658     44
    661.13   1.655     70
    659.91   1.652     60
    654.91   1.639    109
    653.81   1.636     70
    652.47   1.633     67
    647.46   1.621    114
    646.24   1.618    105
    640.01   1.602     49
    638.79   1.599     99
    631.47   1.581     37
    629.39   1.575     35
    623.90   1.562     36
    621.95   1.557     96
    616.46   1.543    101
    614.50   1.538    107
    608.89   1.524    118
    607.06   1.519     53
    602.78   1.509     57
    600.83   1.504     73
    595.34   1.490     54
    380.62   0.953   1000
    377.69   0.946     82
    376.83   0.943    119
    373.78   0.936    948
    370.12   0.927    106
    366.82   0.918    524
    359.50   0.900    843
    351.93   0.881    475