图谱信息 供应商 相关产品
网站主页CAS数据库列表 20898-44-6更多图谱BOC-HIS(BZL)-OH(20898-44-6)红外图谱(IR1)

BOC-HIS(BZL)-OH

产品名称 BOC-HIS(BZL)-OH

CAS号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
    ChemicalStructure
        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



KBr disk



nujol mull