15030-72-5

N-芐氧羰?；?2-甲基丙氨酸(15030-72-5)核磁圖(¹³CNMR)

產(chǎn)品名稱:N-芐氧羰?；?2-甲基丙氨酸

CAS: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

    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