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1,4-二苯甲酰丁烷

产品名称 1,4-二苯甲酰丁烷

CAS号3375-38-0

分子式C18H18O2

分子量266.33

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  • Mass

    MS-NW-6491          
    1,4-dibenzoylbutane
    C18H18O2            (Mass of molecular ion:    266)
    

       Source Temperature: 140 °C
       Sample Temperature: 110 °C
       Direct, 75 eV
    

          18.0       3.0
          27.0       1.2
          39.0       1.4
          41.0       1.0
          50.0       1.7
          51.0       7.7
          55.0       1.6
          76.0       1.3
          77.0      40.1
          78.0       4.9
          91.0       2.1
         105.0     100.0
         106.0       8.3
         119.0       2.2
         120.0      35.1
         121.0       4.1
         128.0       1.2
         131.0       1.0
         133.0       3.2
         134.0       3.5
         143.0       1.1
         144.0       1.2
         145.0       5.6
         146.0      59.9
         147.0      13.7
         148.0       1.2
         161.0       1.8
         238.0       3.1
         247.0       1.5
         248.0       2.4
         266.0       2.9
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C18 H18 O2 0.041 g : 0.5 ml CDCl3
    1,4-dibenzoylbutane
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.94 B 7.54 C 7.45 D 3.01 E 1.83 CALCULATED BY LAOCN PROGRUM.

         Hz     ppm     Int.
    

        720.00   8.040     63
        717.13   8.008    563
        715.44   7.989    610
        713.69   7.969    317
        712.75   7.959    245
        711.75   7.948    233
        709.81   7.926    488
        707.44   7.900    853
        706.00   7.883    184
        704.13   7.863     45
        703.38   7.854     48
        703.25   7.853     48
        684.56   7.644     69
        682.81   7.625     73
        678.06   7.572    185
        676.56   7.555    237
        674.81   7.535    163
        673.44   7.520    508
        672.25   7.507   1000
        671.38   7.497    979
        670.06   7.482    523
        668.94   7.470    578
        666.50   7.442    317
        665.56   7.432    360
        664.81   7.424    520
        664.38   7.419    559
        662.50   7.398    100
        661.69   7.389     98
        661.06   7.382    118
        659.44   7.364    186
        657.75   7.345     85
        655.94   7.325    117
        281.25   3.141     48
        277.88   3.103    163
        276.81   3.091    171
        275.75   3.079    165
        273.88   3.059    212
        271.06   3.027    479
        268.81   3.002    291
        266.81   2.980    191
        265.44   2.964    215
        264.13   2.950    263
        262.00   2.926     53
        261.25   2.918     65
        260.88   2.913     67
        174.38   1.948     49
        171.38   1.914    234
        170.13   1.900    162
        167.44   1.870    279
        164.50   1.837    656
        160.56   1.793    321
        158.94   1.775    155
        157.50   1.759    200
        154.75   1.728     45
        154.63   1.727     45
        154.06   1.721     45
    

in CDCl3



KBr disc



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