2,3-二溴噻吩

产品名称 2,3-二溴噻吩

CAS号3140-93-0

分子式C4H2Br2S

分子量241.93

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¹HNMR

¹³CNMR

IR1

Mass

MS-NW-0985          
2,3-dibromothiophene
C4H2Br2S            (Mass of molecular ion:    240)

   Source Temperature: 240 °C
   Sample Temperature: 130 °C
   Reservoir, 75 eV

      28.0       1.3
      32.0       1.0
      37.0       7.1
      38.0       7.3
      44.0       1.7
      45.0      17.3
      49.0       2.2
      50.0       1.6
      69.0       1.4
      79.0       2.1
      80.0       1.8
      81.0       9.0
      82.0      41.9
      83.0       2.4
      84.0       1.6
     116.0       1.5
     117.0       8.7
     118.0       1.9
     119.0       8.3
     120.0       1.7
     121.0       2.6
     122.0       1.3
     123.0       1.0
     135.0       2.6
     137.0       2.9
     161.0      18.3
     162.0       1.8
     163.0      18.5
     164.0       1.2
     195.0       1.0
     197.0       1.9
     199.0       1.1
     240.0      50.2
     241.0       2.7
     242.0     100.0
     243.0       5.5
     244.0      52.2
     245.0       2.8
     246.0       2.3

parameter in cyclohexane

parameter in CDCl3

¹H NMR	300 MHz
C₄ H₂ Br₂ S	7.9 mol% in cyclohexane
2,3-dibromothiophene

    Parameter     ppm  Hz

      D(A)         6.77
      D(B)         7.06
       J(A,B)          5.75
     
     TAKAHASHI,K. ET AL. BULL.CHEM.SOC.JPN. 38, 1041 (1965)

     Hz     ppm     Int.

   2120.97   7.070    877
   2115.22   7.051   1000
   2033.78   6.779   1000
   2028.03   6.760    877

¹H NMR	300 MHz
C₄ H₂ Br₂ S	0.02 ml : 0.5 ml CDCl₃
2,3-dibromothiophene

    Parameter     ppm  Hz

      D(A)         7.248
      D(B)         6.907
       J(A,B)          5.83

     Hz     ppm     Int.

   2177.40   7.258    893
   2171.57   7.239   1000
   2074.93   6.916   1000
   2069.11   6.897    893

in CDCl3

liquid film

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