(4S,5S)-2,2-1,3-二氧戊环-4,5-二羧酸二甲酯

Mass

MS-IW-7684          
dimethyl (2S,3S)-2,3-O-isopropylidene-D-tartrate
C9H14O6             (Mass of molecular ion:    218)

   Source Temperature: 220 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0      12.3
      27.0       2.4
      28.0       3.9
      29.0       4.2
      31.0       3.0
      33.0       6.0
      39.0       3.0
      40.0       1.0
      41.0      10.2
      42.0       3.6
      43.0      73.3
      44.0       2.6
      45.0       5.3
      55.0       1.2
      57.0       2.2
      58.0       1.7
      59.0      26.3
      60.0       2.1
      63.0       1.2
      69.0       5.6
      71.0       5.2
      73.0      26.0
      74.0       1.2
      75.0       1.3
      77.0       1.2
      79.0       1.4
      85.0      10.3
      89.0       4.6
      90.0       2.7
      91.0       1.8
      97.0       2.4
      99.0       2.1
     100.0       1.8
     101.0      17.9
     102.0       1.1
     105.0       1.4
     113.0       6.0
     117.0       7.9
     119.0       1.6
     129.0       2.5
     130.0       1.7
     131.0       3.8
     133.0      10.4
     141.0      17.1
     142.0       1.4
     143.0       2.6
     159.0      32.9
     160.0       3.4
     175.0       3.1
     203.0     100.0
     204.0       9.0
     205.0       1.6

Assign. Shift(ppm) A 4.816 B 3.832 C 1.495

     Hz     ppm     Int.

   1924.93   4.817    485
   1531.74   3.833   1000
    597.78   1.496    906