3-Acetyl-2,4-dimethylpyrrole

Mass

MS-NW-6221          
3-acetyl-2,4-dimethylpyrrole
C8H11NO             (Mass of molecular ion:    137)

   Source Temperature: 240 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      15.0       1.6
      18.0       1.0
      27.0       2.2
      28.0       3.9
      38.0       1.1
      39.0       6.9
      40.0       2.3
      41.0       5.8
      42.0       3.8
      43.0       6.9
      46.5       2.5
      50.0       1.1
      51.0       2.7
      52.0       2.9
      53.0      10.8
      54.0       1.3
      58.5       1.0
      60.5       7.5
      61.0       2.2
      63.0       1.9
      65.0       4.6
      66.0       3.8
      67.0       7.2
      68.5       1.4
      77.0       1.2
      81.0       2.5
      93.0       4.2
      94.0       9.3
     108.0       1.4
     118.0       1.2
     121.0       1.6
     122.0     100.0
     123.0       8.1
     136.0       2.2
     137.0      57.0
     138.0       5.7

Assign. Shift(ppm) A 9.17 B 6.362 C 2.499 D 2.431 E 2.274 J(B,E)=1.1HZ. J(NH,B)=2.3HZ.

     Hz     ppm     Int.

    571.56   6.382     43
    570.44   6.370     56
    569.31   6.357     57
    568.19   6.345     46
    224.00   2.502    484
    223.63   2.497    482
    220.50   2.463     24
    217.69   2.431   1000
    214.81   2.399     26
    204.19   2.280    443
    203.13   2.269    448