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网站主页CAS数据库列表 110-87-2更多图谱3,4-二氢-2H-吡喃(110-87-2)红外图谱(IR1)

3,4-二氢-2H-吡喃

产品名称 3,4-二氢-2H-吡喃

CAS号110-87-2

分子式C5H8O

分子量84.12

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  • Mass

    MS-IW-3919          
    3,4-dihydro-2H-pyran
    C5H8O               (Mass of molecular ion:     84)
    

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

          26.0       5.8
          27.0      24.3
          28.0      22.7
          29.0      22.2
          31.0       1.3
          37.0       1.1
          38.0       2.4
          39.0      22.5
          40.0       3.2
          41.0      22.7
          42.0       3.3
          43.0       4.7
          44.0       1.3
          45.0       2.7
          50.0       4.0
          51.0       4.5
          52.0       2.0
          53.0      13.3
          54.0      27.4
          55.0     100.0
          56.0      30.5
          57.0      11.1
          65.0       1.5
          66.0       1.5
          69.0      11.6
          81.0       1.3
          83.0      34.8
          84.0      72.5
          85.0       6.1
          86.0       1.9
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C5 H8 O 0.05 ml : 0.5 ml CDCl3
    3,4-dihydro-2H-pyran
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.342 B 4.644 C 3.957 D 1.984 E 1.846 J(A,B)=6.2HZ J(A,D)=2.0HZ J(B,D)=3.8HZ J(B,E)=0.6HZ

         Hz     ppm     Int.
    

       2539.92   6.356    308
       2537.96   6.351    533
       2536.13   6.346    336
       2533.69   6.340    317
       2531.74   6.335    545
       2529.91   6.331    335
       1862.92   4.662    292
       1862.30   4.660    206
       1859.13   4.652    532
       1858.64   4.651    375
       1857.30   4.648    240
       1856.69   4.646    336
       1856.08   4.645    355
       1855.47   4.643    359
       1854.86   4.642    251
       1853.52   4.638    350
       1852.91   4.637    537
       1852.29   4.635    375
       1849.12   4.627    290
       1848.63   4.626    201
       1600.95   4.006     31
       1600.59   4.005     31
       1599.37   4.002     30
       1598.88   4.001     30
       1587.04   3.972    930
       1581.79   3.958    933
       1580.93   3.956    807
       1578.61   3.950    213
       1576.66   3.946   1000
       1568.97   3.926     31
       1567.75   3.923     32
        802.73   2.009    244
        802.12   2.008    223
        801.51   2.006    244
        800.78   2.004    262
        800.29   2.003    248
        799.68   2.001    259
        798.95   2.000    283
        796.88   1.994    609
        794.80   1.989    552
        792.97   1.985    552
        790.65   1.979    671
        788.70   1.974    399
        788.21   1.973    397
        787.60   1.971    319
        786.87   1.969    374
        786.38   1.968    377
        784.91   1.964    355
        784.55   1.964    354
        780.76   1.954     45
        756.71   1.894     31
        756.35   1.893     31
        749.51   1.876    295
        748.90   1.874    306
        743.29   1.860    625
        738.65   1.849    616
        738.04   1.847    600
        736.94   1.844    587
        732.79   1.834    559
        732.30   1.833    572
        726.56   1.818    209
        725.95   1.817    210
    

in CDCl3



liquid film



4880 A,200 M,liquid