1-甲氧基-1-(三甲基甲硅氧基)-2-甲基-1-丙烯(31469-15-5)核磁图(¹³CNMR)

Mass

MS-NW-8992          
dimethylketene methyl trimethylsilyl acetal
C8H18O2Si           (Mass of molecular ion:    174)

   Source Temperature: 260 °C
   Sample Temperature: 140 °C
   Reservoir, 75 eV

      15.0       1.6
      27.0       3.4
      28.0       2.8
      29.0       1.4
      31.0       1.2
      39.0       3.8
      40.0       1.0
      41.0      13.5
      42.0      16.7
      43.0      25.2
      44.0       3.6
      45.0      14.7
      46.0       1.0
      47.0       2.9
      52.0       1.3
      55.0       7.3
      57.0       2.2
      58.0       3.7
      59.0      23.3
      60.0       1.9
      61.0       3.3
      66.0       4.9
      69.0       8.8
      70.0      87.7
      71.0      15.9
      72.0       4.7
      73.0     100.0
      74.0      10.3
      75.0      16.3
      76.0       1.1
      87.0       7.2
      89.0      44.7
      90.0       3.9
      91.0       2.0
     101.0       1.5
     102.0       4.0
     103.0       2.2
     105.0       3.8
     115.0       2.0
     117.0       1.5
     131.0      18.4
     132.0       2.3
     133.0       2.4
     143.0       2.1
     147.0      89.3
     148.0      13.8
     149.0       6.9
     159.0       5.4
     171.0       1.1
     174.0      21.3
     175.0       7.3
     176.0       1.5

Parameter ppm Hz D(A) 3.496 D(B) *1 1.569 D(C) *1 1.516 J(B,C) 0.4 D(D) 0.203

     Hz     ppm     Int.

   1048.80   3.496    333
    470.65   1.569    220
    454.87   1.516    219
     60.90   0.203   1000