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(E)-4-(2-Furanyl)-3-butene-2-one

产品名称 (E)-4-(2-Furanyl)-3-butene-2-one

CAS号41438-24-8

分子式C8H8O2

分子量136.15

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  • Mass

    MS-NW-8673          
    trans-furfurylideneacetone
    C8H8O2              (Mass of molecular ion:    136)
    

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

          15.0       3.5
          26.0       1.5
          27.0       2.7
          28.0       2.2
          29.0       2.2
          37.0       2.1
          38.0       6.0
          39.0      31.6
          40.0       2.0
          42.0       1.6
          43.0      54.4
          44.0       1.2
          50.0       3.1
          51.0       4.8
          52.0       1.5
          53.0       3.6
          54.0       3.5
          55.0       1.1
          60.5       3.5
          61.0       1.7
          62.0       3.5
          63.0      10.0
          64.0       4.1
          65.0      74.5
          66.0       6.0
          77.0       4.8
          78.0       1.0
          79.0       5.1
          80.0       1.1
          81.0       1.4
          82.0       2.9
          92.0       1.8
          93.0      17.6
          94.0      46.8
          95.0       3.9
         107.0       3.9
         108.0       3.5
         121.0     100.0
         122.0       7.9
         135.0       4.3
         136.0      65.2
         137.0       6.3
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C8 H8 O2 0.027 g : 0.5 ml CDCl3
    trans-furfurylideneacetone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.505 B 7.280 C 6.672 D 6.621 E 6.491 F 2.328 J(B,D)=16.0HZ J(C,E)=3.4HZ J(A,E)=1.7HZ

         Hz     ppm     Int.
    

       3000.24   7.508    139
       2999.63   7.506    127
       2999.02   7.505    138
       2917.97   7.302    137
       2901.98   7.262    155
       2668.21   6.677    120
       2664.79   6.668    131
       2653.81   6.641    145
       2637.82   6.601    129
       2596.80   6.498    119
       2595.09   6.494    122
       2593.38   6.490    113
       2591.67   6.485    107
        930.42   2.329   1000
    

in CDCl3



KBr disc



nujol mull



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