惕各酸乙酯

Mass

MS-NW-4693          
ethyl (E)-2-methyl-2-butenoate
C7H12O2             (Mass of molecular ion:    128)

   Source Temperature: 260 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      14.0       1.9
      15.0       1.6
      18.0       1.6
      26.0       3.0
      27.0      23.8
      28.0      15.5
      29.0      38.3
      38.0       1.0
      39.0      14.1
      40.0       1.6
      41.0       5.2
      43.0       5.4
      45.0       5.5
      50.0       1.9
      51.0       2.8
      52.0       1.5
      53.0       9.8
      54.0      11.8
      55.0     100.0
      56.0       7.8
      57.0       1.3
      69.0       2.3
      73.0       1.5
      81.0       1.3
      82.0      12.0
      83.0      84.4
      84.0       5.7
      85.0      10.5
      99.0       2.6
     100.0      28.5
     101.0       1.8
     113.0      22.3
     114.0       1.7
     128.0      19.5
     129.0       1.6

Assign. Shift(ppm) A 1.289 B 1.79 C 1.823 D 4.180 E 6.85 J(B,C)=1.1HZ

     Hz     ppm     Int.

    616.69   6.886     22
    615.81   6.876     26
    610.19   6.814     29
    385.50   4.305     41
    378.25   4.224    156
    371.13   4.144    164
    364.13   4.066     49
    166.50   1.860     34
    165.38   1.847    124
    164.25   1.834    178
    163.25   1.823   1000
    157.75   1.762     60
    156.69   1.750    142
    155.56   1.737    102
    154.44   1.725     31
    122.38   1.367    172
    115.31   1.288    382
    108.13   1.208    151