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2-甲基呋喃

产品名称 2-甲基呋喃

CAS号534-22-5

分子式C5H6O

分子量82.1

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  • Mass

    MS-NW-0692          
    2-methylfuran
    C5H6O               (Mass of molecular ion:     82)
    

       Source Temperature: 210 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       2.7
          26.0       5.2
          27.0      23.2
          28.0       9.1
          29.0       3.0
          37.0       3.2
          38.0       4.8
          39.0      38.0
          40.0       1.4
          41.0       1.9
          43.0       4.1
          49.0       2.0
          50.0       9.3
          51.0      10.8
          52.0       6.1
          53.0      61.6
          54.0      13.6
          55.0       2.2
          80.0       1.0
          81.0      58.3
          82.0     100.0
          83.0       5.7
    

parameter in cyclohexane

400 MHz in CDCl3


  • 1H NMR 300 MHz
    C5 H6 O 33 % in cyclohexane
    2-methylfuran
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 7.159 D(B) 6.146 D(C) 5.818 D(D) 2.183 J(A,B) 1.90 J(A,C) 0.90 J(A,D) -0.40 J(B,C) 3.15 J(B,D) 0.45 J(C,D) -1.00 RODMAR,S. ET AL. ACTA CHEM.SCAND. 19, 485 (1965)

         Hz     ppm     Int.
    

       2148.46   7.162    199
       2148.00   7.160    195
       2146.99   7.157    204
       1846.27   6.154    126
       1844.29   6.148    148
       1843.46   6.145    151
       1841.48   6.138    128
       1747.90   5.826    123
       1746.98   5.823    171
       1746.01   5.820    147
       1744.85   5.816    144
       1743.84   5.813    163
       1742.92   5.810    115
        654.92   2.183   1000
        654.50   2.182    969
    


  • 1H NMR 399.65 MHz
    C5 H6 O 0.05 ml : 0.5 ml CDCl3
    2-methylfuran
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.248 B 6.234 C 5.934 D 2.262 J(A,B)=1.8HZ J(A,C)=1.0HZ J(A,D)=0.4HZ J(B,D)=0.4HZ J(B,C)=3.2HZ J(C,D)=1.0HZ

         Hz     ppm     Int.
    

       2898.07   7.252    300
       2897.58   7.251    312
       2897.22   7.250    291
       2896.61   7.248    300
       2896.24   7.247    312
       2895.75   7.246    296
       2895.39   7.245    274
       2494.14   6.241    263
       2493.65   6.240    226
       2492.31   6.237    234
       2491.82   6.236    265
       2491.46   6.235    209
       2490.97   6.233    248
       2490.60   6.232    263
       2489.14   6.229    252
       2488.65   6.228    233
       2375.12   5.944    108
       2374.15   5.941    256
       2373.17   5.939    315
       2372.19   5.936    284
       2370.97   5.933    265
       2370.00   5.931    290
       2369.02   5.928    227
       2368.04   5.926     93
        904.91   2.265    966
        904.42   2.264   1000
        904.05   2.263    875
        903.44   2.261    940
        902.95   2.260    844
    

in CDCl3



CCl4 solution



liquid film