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返回ChemicalBook首页>CAS数据库列表>1226-42-2更多图谱> 4,4'-二甲氧基苯酚酯(1226-42-2)核磁图(1HNMR)

1226-42-2

4,4'-二甲氧基苯酚酯(1226-42-2)核磁图(1HNMR)

分子式:C16H14O4

分子量: 270.28

InChI:InChI=1S/C16H14O4/c1-19-13-7-3-11(4-8-13)15(17)16(18)12-5-9-14(20-2)10-6-12/h3-10H,1-2H3

InChIKey: YNANGXWUZWWFKX-UHFFFAOYSA-N

Smiles:C(C1=CC=C(OC)C=C1)(=O)C(C1=CC=C(OC)C=C1)=O

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    Mass

    MS-NW-6507          
    4,4'-dimethoxybenzil
    C16H14O4            (Mass of molecular ion:    270)
    

       Source Temperature: 180 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          38.0       1.8
          39.0       1.0
          50.0       2.6
          51.0       1.7
          63.0       5.3
          64.0       8.6
          76.0       2.1
          77.0      18.0
          78.0       1.4
          79.0       1.3
          92.0      14.8
          93.0       1.0
         107.0       7.7
         135.0     100.0
         136.0       8.9
         270.0       3.1
    

90 MHz in CDCl3

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    1H NMR 89.56 MHz
    C16 H14 O4 0.047 g : 0.5 ml CDCl3
    4,4'-dimethoxybenzil
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.932 B 6.960 C 3.868

         Hz     ppm     Int.
    

        718.19   8.020     23
        715.44   7.989    237
        713.31   7.965     69
        708.56   7.912     70
        706.38   7.888    293
        703.69   7.858     33
        630.13   7.036     27
        627.44   7.006    250
        625.25   6.982     65
        620.44   6.928     56
        618.38   6.905    200
        346.44   3.869   1000
    

in CDCl3

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KBr disc

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nujol mull

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