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3,5-二溴吡啶

产品名称 3,5-二溴吡啶

CAS号625-92-3

分子式C5H3Br2N

分子量236.89

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  • Mass

    MS-KW-0419          
    3,5-dibromopyridine
    C5H3Br2N            (Mass of molecular ion:    235)
    

       Source Temperature: 240 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          26.0       1.0
          28.0       1.2
          37.0       2.8
          38.0       3.3
          38.5       2.8
          48.0       1.2
          49.0      10.8
          50.0      39.6
          51.0       4.5
          52.0       1.5
          75.0       4.4
          76.0      38.2
          77.0       7.0
          78.0       1.3
          79.0       1.8
         104.0       3.3
         105.0       3.7
         106.0       4.7
         108.0       1.5
         117.5       1.0
         118.5       2.1
         119.5       1.0
         128.0       3.2
         129.0      14.4
         130.0       4.1
         131.0      13.9
         156.0      52.6
         157.0       3.5
         158.0      51.1
         159.0       3.0
         235.0      51.3
         236.0       3.3
         237.0     100.0
         238.0       6.1
         239.0      48.5
         240.0       2.9
    

parameter in dioxane

400 MHz in CDCl3


  • 1H NMR 300 MHz
    C5 H3 Br2 N in dioxane
    3,5-dibromopyridine
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 8.61 D(B) 8.15 J(A,B) 2.0 WU,T.K. J.PHYS.CHEM. 71, 3089 (1967)

         Hz     ppm     Int.
    

       2584.01   8.613    973
       2582.01   8.607   1000
       2446.99   8.157    264
       2444.99   8.150    492
       2443.00   8.143    250
    


  • 1H NMR 399.65 MHz
    C5H3Br2N 0.039 g : 0.5 ml CDCl3
    3,5-dibromopyridine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.606 B 8.008

         Hz     ppm     Int.
    

       3441.41   8.609   1000
       3439.46   8.604    972
       3203.13   8.013    451
       3201.18   8.008    806
       3199.10   8.003    411
    

in CDCl3