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网站主页CAS数据库列表 15030-72-5更多图谱N-苄氧羰酰基-2-甲基丙氨酸(15030-72-5)质谱(MS)

N-苄氧羰酰基-2-甲基丙氨酸

产品名称 N-苄氧羰酰基-2-甲基丙氨酸

CAS号15030-72-5

分子式C12H15NO4

分子量237.25


  • Mass

    MS-IW-0720          
    N-benzyloxycarbonyl-2-methylalanine
    C12H15NO4           (Mass of molecular ion:    237)
    

       Source Temperature: 160 °C
       Sample Temperature: 100 °C
       Direct, 75 eV
    

          18.0       4.6
          27.0       1.3
          28.0       1.5
          39.0       4.3
          41.0       3.2
          42.0      12.0
          43.0       1.0
          44.0       2.3
          50.0       1.7
          51.0       5.2
          52.0       1.5
          53.0       1.8
          57.0       7.8
          58.0       4.2
          63.0       1.9
          65.0       8.0
          66.0       1.0
          77.0      16.2
          78.0       4.0
          79.0      35.9
          80.0       3.2
          88.0       1.3
          89.0       4.2
          90.0       4.8
          91.0      96.7
          92.0       8.1
          96.0       1.3
         102.0       5.5
         105.0       2.1
         107.0      35.0
         108.0     100.0
         109.0       7.6
         114.0       1.3
         129.0       1.6
         148.0      11.9
         149.0       1.4
         192.0       6.0
         237.0       6.6
         238.0       1.2
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C12 H15 N O4 0.038 g : 0.5 ml CDCl3
    N-benzyloxycarbonyl-2-methylalanine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.7 B 7.33 C 5.49 D 5.092 E 1.565

         Hz     ppm     Int.
    

       2943.85   7.367     36
       2934.69   7.344    345
       2931.03   7.334   1000
       2925.54   7.321    202
       2923.15   7.315    148
       2920.96   7.309    116
       2919.12   7.305     85
       2916.93   7.299     98
       2911.80   7.286     49
       2908.50   7.278     27
       2193.97   5.490     33
       2035.35   5.093    279
        625.51   1.566    729
        600.79   1.504     23
        599.50   1.501     21
    

in CDCl3



KBr disc



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