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a-环甲基乙酸乙酯

产品名称 a-环甲基乙酸乙酯

CAS号2025-40-3

分子式C12H11NO2

分子量201.22

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  • Mass

    MS-NW-4483          
    ethyl alpha-cyanocinnamate
    C12H11NO2           (Mass of molecular ion:    201)
    

       Source Temperature: 230 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          15.0       2.0
          18.0       1.4
          26.0       2.4
          27.0      18.9
          28.0       1.7
          29.0      47.1
          30.0       1.1
          37.0       1.0
          38.0       2.1
          39.0       5.8
          43.0       1.7
          45.0       3.5
          50.0      12.4
          51.0      32.5
          52.0       6.8
          61.0       1.5
          62.0       3.0
          63.0       5.2
          64.0       3.8
          74.0       5.6
          75.0      11.8
          76.0      10.1
          77.0      48.6
          78.0       9.7
          79.0       3.4
          87.0       1.3
          88.0       1.5
          89.0       2.4
          90.0       1.6
          91.0       3.6
          99.0       2.2
         100.0       4.9
         101.0      22.7
         102.0      49.8
         103.0       6.4
         105.0       2.6
         107.0      11.1
         115.0       2.8
         116.0       2.8
         117.0       2.4
         118.0       4.3
         127.0      16.4
         128.0      77.5
         129.0      39.3
         130.0       6.3
         135.0       8.5
         142.0       1.4
         144.0       2.0
         145.0       1.8
         146.0       9.4
         147.0       1.2
         154.0       3.7
         155.0       6.5
         156.0     100.0
         157.0      13.3
         158.0       1.5
         171.0       1.0
         172.0      64.7
         173.0      53.9
         174.0       6.4
         182.0       1.0
         183.0       2.9
         200.0      54.3
         201.0      99.2
         202.0      13.2
         203.0       1.4
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C12 H11 N O2 10.0 mol% in CDCl3
    ethyl alpha-cyanocinnamate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 1.38 B 4.36 C 8.23 D 7.97 E 7.35 to 7.66

         Hz     ppm     Int.
    

        736.69   8.226    413
        719.13   8.030    134
        717.06   8.007    167
        713.88   7.971    138
        713.13   7.963    136
        712.25   7.953    141
        709.31   7.920    210
        679.00   7.582     58
        677.38   7.564     84
        674.69   7.534    449
        672.81   7.513    383
        669.50   7.476    202
        667.44   7.453    194
        402.19   4.491    127
        395.00   4.411    430
        387.88   4.331    453
        380.81   4.253    158
        131.19   1.465    470
        124.13   1.386   1000
        117.00   1.307    433
    

in CDCl3



KBr disc



nujol mull



4880 A,200 M,powder