20898-44-6

BOC-HIS(BZL)-OH(20898-44-6)质谱(MS)

产品名称:BOC-HIS(BZL)-OH

CAS:20898-44-6

分子式:C18H23N3O4

分子量: 345.39

Mass

MS-NW-6318          
tau-benzyl-N(alpha)-tert-butoxycarbonyl-L-histidine
C18H23N3O4          (Mass of molecular ion:    345)

   Source Temperature: 160 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      15.0       1.7
      18.0       1.0
      26.0       1.4
      27.0       3.9
      28.0       6.4
      29.0       6.2
      31.0       4.0
      38.0       1.7
      39.0      10.7
      40.0       1.8
      41.0      14.5
      42.0       1.4
      43.0       4.1
      44.0       1.7
      50.0       1.4
      51.0       2.8
      52.0       1.9
      53.0       2.1
      54.0       2.5
      55.0       1.4
      56.0       1.7
      57.0      18.0
      58.0       1.2
      59.0      13.2
      63.0       2.7
      64.0       1.0
      65.0      14.0
      66.0       1.4
      77.0       1.1
      81.0      20.6
      82.0       2.4
      89.0       3.5
      90.0       2.2
      91.0     100.0
      92.0       8.1
     108.0       2.4
     109.0       1.6
     115.0       1.2
     169.0       1.0
     171.0      31.7
     172.0      14.1
     173.0       1.8
     184.0      13.6
     185.0       3.4
     199.0       3.7
     200.0      20.1
     201.0       3.7
     228.0       3.5
     229.0       1.8
     244.0      14.7
     245.0       7.3
     246.0       1.2
     271.0       1.0
     272.0       6.3
     273.0       1.1
     289.0       5.5
     290.0       1.2
     300.0       1.7
     301.0       3.6
     345.0       6.1
     346.0       1.4

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₁₈ H₂₃ N₃ O₄	0.040 g : 0.5 ml DMSO-d₆
tau-benzyl-N(alpha)-tert-butoxycarbonyl-L-histidine

    Assign.     Shift(ppm)

      A             7.703
      B             7.33
      C             7.30
      D             7.225
      E             6.97
      F             6.906
      G             5.132
      J             4.148
      K             2.82
      L             1.343

     Hz     ppm     Int.

   3078.74   7.704    128
   3078.13   7.703    127
   2942.14   7.362     43
   2940.43   7.358     30
   2935.30   7.345    126
   2927.98   7.327    125
   2920.78   7.309     72
   2919.56   7.306     54
   2916.14   7.297     31
   2913.82   7.291     68
   2890.50   7.233    120
   2883.67   7.216     95
   2789.79   6.981     50
   2781.74   6.961     52
   2760.01   6.907     97
   2051.27   5.133    229
   1661.62   4.158     34
   1656.62   4.146     32
   1131.35   2.831     49
   1125.98   2.818     71
   1125.73   2.817     71
   1117.31   2.796     45
    536.87   1.344   1000
    528.44   1.323     80
    528.08   1.322     80
    524.41   1.313    105
    523.80   1.311    106

in DMSO-d6