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四乙酰核糖

CAS号13035-61-5

分子式C13H18O9

分子量318.28

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  • Mass

    MS-NW-6872          
    1,2,3,5-tetra-O-acetyl-beta-D-ribofuranose
    C13H18O9            (Mass of molecular ion:    318)
    

       Source Temperature: 170 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          15.0       2.8
          42.0       1.1
          43.0     100.0
          44.0       2.3
          68.0       2.7
          69.0       4.0
          73.0       2.3
          85.0       2.1
          86.0       4.9
          97.0       5.6
         101.0       2.2
         103.0       6.7
         114.0       6.0
         115.0       5.4
         127.0       1.0
         128.0       2.7
         139.0       6.1
         143.0      13.6
         144.0       1.0
         145.0       6.0
         156.0      17.6
         157.0       3.7
         187.0       1.0
         198.0       3.0
         203.0       3.0
         245.0       5.9
         259.0       4.1
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C13 H18 O9 0.040 g : 0.5 ml CDCl3
    1,2,3,5-tetra-O-acetyl-beta-D-ribofuranose
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.165 B 5.354 C 5.346 D 4.378 E *1 4.33 F *1 4.154 G *2 2.135 J *2 2.105 K *2 2.098 L *2 2.081

         Hz     ppm     Int.
    

       2463.99   6.166    207
       2147.09   5.373     38
       2142.21   5.361    110
       2136.60   5.347    333
       2133.06   5.338     30
       2132.08   5.335     32
       1755.13   4.392     31
       1753.42   4.388     43
       1752.44   4.385     30
       1749.63   4.378     54
       1748.78   4.376     46
       1744.38   4.365     33
       1743.53   4.363     39
       1741.46   4.358     83
       1729.61   4.328     81
       1725.95   4.319     63
       1667.85   4.174     74
       1662.60   4.161     69
       1656.01   4.144     57
       1650.76   4.131     46
        853.27   2.136    966
        841.55   2.106   1000
        838.62   2.099    926
        834.84   2.089     52
        831.79   2.082    943
    

in CDCl3



KBr disc



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