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返回ChemicalBook首页>CAS数据库列表>37031-30-4更多图谱> (4S,5S)-2,2-1,3-二氧戊环-4,5-二羧酸二甲酯(37031-30-4)质谱(MS)

37031-30-4

(4S,5S)-2,2-1,3-二氧戊环-4,5-二羧酸二甲酯(37031-30-4)质谱(MS)

分子式:C9H14O6

分子量: 218.2

InChI:InChI=1S/C9H14O6/c1-9(2)14-5(7(10)12-3)6(15-9)8(11)13-4/h5-6H,1-4H3/t5-,6-/m0/s1

InChIKey: ROZOUYVVWUTPNG-WDSKDSINSA-N

Smiles:O1[C@H](C(OC)=O)[C@@H](C(OC)=O)OC1(C)C

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    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
    

400 MHz in CDCl3

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    1H NMR 399.65 MHz
    C9 H14 O6 0.05 ml : 0.5 ml CDCl3
    dimethyl (2S,3S)-2,3-O-isopropylidene-D-tartrate
    ChemicalStructure
        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
    

in CDCl3

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liquid film

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