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N-叔丁氧羰基-L-酪氨酸

产品名称 N-叔丁氧羰基-L-酪氨酸

CAS号3978-80-1

分子式C14H19NO5

分子量281.3

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  • Mass

    MS-IW-6143          
    N-tert-butoxycarbonyl-L-tyrosine
    C14H19NO5           (Mass of molecular ion:    281)
    

       Source Temperature: 160 °C
       Sample Temperature: 140 °C
       Direct, 75 eV
    

          18.0       2.8
          27.0       1.9
          28.0       3.0
          29.0       3.2
          31.0       1.8
          39.0       5.3
          40.0       1.2
          41.0      17.8
          43.0       1.2
          44.0      18.1
          51.0       1.2
          53.0       1.5
          55.0       4.3
          56.0      10.3
          57.0      16.1
          59.0       9.5
          74.0       1.4
          77.0       3.5
          91.0       1.2
         107.0     100.0
         108.0       9.8
         119.0       1.3
         136.0       3.3
         164.0      17.4
         165.0       1.9
         180.0       2.7
         207.0       1.6
         208.0       2.6
         220.0       3.1
         225.0       8.8
         226.0       1.2
         281.0       1.7
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C14 H19 N O5 0.042 g : 0.5 ml DMSO-d6
    N-tert-butoxycarbonyl-L-tyrosine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12.5 B 9.2 C 7.029 D 7.00 E 6.663 F 4.007 G *1 2.887 J *1 2.712 K 1.332

         Hz     ppm     Int.
    

       2813.62   7.041    120
       2805.19   7.020    129
       2797.14   6.999     58
       2788.89   6.979     58
       2666.90   6.674    153
       2658.48   6.653    139
       1603.99   4.014     27
       1600.69   4.006     26
       1599.59   4.003     25
       1595.56   3.993     21
       1164.39   2.914     23
       1159.81   2.903     25
       1150.65   2.880     36
       1146.07   2.868     34
       1094.97   2.740     31
       1084.90   2.715     33
       1081.23   2.706     27
       1070.97   2.680     24
        532.46   1.333   1000
        511.03   1.279     82
    

in DMSO-d6



KBr disc



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