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51439-46-4

2-Thia-3-oxa-1,4-dihydronaphthalene 2-oxide

Product Name 2-Thia-3-oxa-1,4-dihydronaphthalene 2-oxide

CAS51439-46-4

MFC8H8O2S

MW168.21

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  • 51439-46-4_ms_1
    Mass

    MS-KW-1135          
    1,4-dihydro-2,3-benzoxathiin 3-oxide
    C8H8O2S             (Mass of molecular ion:    168)
    

       Source Temperature: 150 °C
       Sample Temperature: 100 °C
       Direct, 75 eV
    

          27.0       1.3
          38.0       1.3
          39.0       5.9
          48.0       1.6
          50.0       4.2
          51.0      16.2
          51.5       1.0
          52.0       7.0
          62.0       1.6
          63.0       4.8
          64.0       5.3
          65.0       3.5
          74.0       1.3
          75.0       1.2
          76.0       1.9
          77.0       9.2
          78.0      21.8
          79.0       1.5
          89.0       2.8
          90.0       1.5
          91.0       3.6
         102.0       2.6
         103.0      19.1
         104.0     100.0
         105.0       9.0
         168.0      21.8
         169.0       2.3
         170.0       1.1
    

400 MHz in CDCl3

  • 51439-46-4_1hnmr_0

    1H NMR 399.65 MHz
    C8 H8 O2 S 0.056 g : 0.5 ml CDCl3
    1,4-dihydro-2,3-benzoxathiin 3-oxide
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 7.36 B *1 7.34 C 7.24 D 7.21 E *2 5.280 F *2 4.946 G *3 4.395 J *3 3.540

         Hz     ppm     Int.
    

       2948.49   7.378     55
       2946.41   7.373    112
       2940.92   7.359    305
       2938.72   7.354    464
       2935.30   7.345   1000
       2931.88   7.337    565
       2929.32   7.330    459
       2924.07   7.317    161
       2921.75   7.311     94
       2918.33   7.303     34
       2916.50   7.298     30
       2913.82   7.291     32
       2912.84   7.289     30
       2897.46   7.250    350
       2895.39   7.245    216
       2891.48   7.236    273
       2888.67   7.229    242
       2885.99   7.222    317
       2883.30   7.215    306
       2879.39   7.205    176
       2877.32   7.200    252
       2118.16   5.301    423
       2104.49   5.266    517
       1982.91   4.962    668
       1969.36   4.928    559
       1764.77   4.416    486
       1760.62   4.406     30
       1753.78   4.389     30
       1749.39   4.378    532
       1422.49   3.560    503
       1418.46   3.550     30
       1411.50   3.532     30
       1411.01   3.531     30
       1407.10   3.521    460
    

in CDCl3

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