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N-苄氧羰基-D-丙氨酸

产品名称 N-苄氧羰基-D-丙氨酸

CAS号26607-51-2

分子式C11H13NO4

分子量223.23

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  • Mass

    MS-NW-2492          
    N-benzyloxycarbonyl-D-alanine
    C11H13NO4           (Mass of molecular ion:    223)
    

       Source Temperature: 200 °C
       Sample Temperature: 170 °C
       Direct, 75 eV
    

          14.0       1.3
          15.0       5.1
          17.0       1.9
          18.0       9.9
          26.0       4.4
          27.0       9.6
          28.0      42.6
          29.0       5.1
          31.0       2.4
          37.0       1.5
          38.0       3.4
          39.0      11.0
          40.0       5.4
          41.0       8.5
          42.0      14.6
          43.0      43.8
          44.0      13.9
          45.0       1.5
          50.0       7.6
          51.0      18.8
          52.0       5.4
          53.0       4.3
          53.5       1.3
          54.0       1.3
          55.0       1.6
          56.0       1.2
          62.0       2.0
          63.0       4.5
          64.0       1.3
          65.0       8.8
          70.0       4.1
          71.0       2.9
          74.0       2.4
          75.0       1.4
          76.0       1.3
          77.0      41.4
          78.0      10.4
          79.0      90.3
          80.0       9.0
          88.0       2.0
          89.0       6.3
          90.0       8.6
          91.0      43.1
          92.0       4.8
         105.0       5.7
         106.0       3.6
         107.0      61.4
         108.0     100.0
         109.0       7.3
         115.0       2.9
         134.0       1.0
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C11 H13 N O4 0.046 g : 0.5 ml CDCl3
    N-benzyloxycarbonyl-D-alanine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.9 B 7.32 C 6.9 C 5.48 D 5.15 D 5.105 E 4.145 E 4.292 F 1.438 MIXTURE OF ROTATIONAL ISOMERS.

         Hz     ppm     Int.
    

       4341.96  10.865     34
       2944.58   7.368     43
       2942.94   7.364     53
       2941.29   7.360     53
       2935.43   7.346    314
       2933.96   7.342    346
       2930.48   7.333   1000
       2925.54   7.321    243
       2921.87   7.312    106
       2921.51   7.311    106
       2917.11   7.300     84
       2911.61   7.286     37
       2191.95   5.485     52
       2188.47   5.476     33
       2187.37   5.474     34
       2184.44   5.466     52
       2058.43   5.151     78
       2058.06   5.150     77
       2057.51   5.149     78
       2057.14   5.148     77
       2056.59   5.146     77
       2055.68   5.144     79
       2055.31   5.143     80
       2050.37   5.131     33
       2050.00   5.130     33
       2049.63   5.129     34
       2042.67   5.112    170
       2037.91   5.100    137
       1771.22   4.432     39
       1763.53   4.413     56
       1756.75   4.396     39
       1756.38   4.395     39
        578.44   1.448    820
        571.11   1.430    779
    



KBr disc



4880 A,200 M,powder