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Boc-L-酪氨酸甲酯

产品名称 Boc-L-酪氨酸甲酯

CAS号4326-36-7

分子式C15H21NO5

分子量295.33

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  • Mass

    MS-KW-0518          
    N-(tert-butoxycarbonyl)-L-tyrosine methyl ester
    C15H21NO5           (Mass of molecular ion:    295)
    

       Source Temperature: 200 °C
       Sample Temperature: 140 °C
       Direct, 75 eV
    

          15.0       1.2
          27.0       2.1
          28.0       3.5
          29.0       3.6
          31.0       1.8
          33.0       1.8
          39.0       5.0
          40.0       1.0
          41.0      12.7
          42.0       1.2
          43.0       1.3
          44.0       7.7
          51.0       1.6
          53.0       1.8
          55.0       3.0
          56.0       5.8
          57.0      24.9
          58.0       1.2
          59.0       8.1
          65.0       1.1
          68.0       1.2
          74.0       1.1
          77.0       5.0
          78.0       1.3
          79.0       1.2
          88.0      12.4
          89.0       2.8
          91.0       3.2
         101.0       1.2
         107.0     100.0
         108.0      19.0
         109.0       1.5
         119.0       1.4
         133.0       2.0
         134.0       1.0
         135.0       1.6
         136.0       8.0
         137.0       1.3
         144.0       1.0
         147.0       2.8
         162.0       2.1
         178.0      38.5
         179.0       5.0
         180.0       2.2
         194.0       1.3
         195.0       3.0
         221.0       1.7
         222.0       3.4
         239.0       2.1
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C15H21NO5 0.040 g : 0.5 ml CDCl3
    N-(tert-butoxycarbonyl)-L-tyrosine methyl ester
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.949 B 6.735 C 5.08 C 4.89 D 4.536 D 4.35 E 3.702 F 3.99 G 1.420

         Hz     ppm     Int.
    

       2782.35   6.960    134
       2773.93   6.939    156
       2695.68   6.743    107
       2687.75   6.724     83
       2034.43   5.089     29
       2026.37   5.069     30
       1956.91   4.895      7
       1817.02   4.546     27
       1808.84   4.525     25
       1740.36   4.354      6
       1479.99   3.702    292
       1218.14   3.048     17
       1212.16   3.033     20
       1204.11   3.012     43
       1198.37   2.998     46
       1191.90   2.982     33
       1185.67   2.966     30
       1172.00   2.932     13
        630.01   1.576      8
        567.63   1.420   1000
        503.42   1.260      9
    

in CDCl3



KBr disk



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