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网站主页CAS数据库列表 622-21-9更多图谱二肉桂丙酮(622-21-9)质谱(MS)

二肉桂丙酮

产品名称 二肉桂丙酮

CAS号622-21-9

分子式C21H18O

分子量286.37

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  • Mass

    MS-NW-8293          
    1,9-diphenyl-1,3,6,8-nonatetraen-5-one
    C21H18O             (Mass of molecular ion:    286)
    

       Source Temperature: 200 °C
       Sample Temperature: 160 °C
       Direct, 75 eV
    

          27.0       1.5
          39.0       2.9
          50.0       1.8
          51.0       7.8
          52.0       1.6
          55.0       2.1
          63.0       3.2
          64.0       1.0
          65.0       2.6
          74.0       1.1
          75.0       1.9
          76.0       2.7
          77.0      14.1
          78.0       4.7
          79.0       1.1
          89.0       2.7
          91.0      27.2
          92.0       2.5
         101.0       2.0
         102.0       7.2
         103.0       6.8
         104.0       6.0
         105.0       7.7
         114.0       1.0
         115.0      23.3
         116.0       9.1
         117.0      46.8
         118.0       5.7
         126.0       2.8
         127.0      20.5
         128.0      53.9
         129.0      28.1
         130.0       6.9
         131.0       5.7
         132.0       1.3
         139.0       1.3
         141.0      10.7
         142.0       8.5
         143.0       3.1
         144.0      25.3
         145.0       3.4
         151.0       1.8
         152.0      13.8
         153.0      11.7
         154.0      21.7
         155.0       8.0
         156.0       1.9
         157.0      13.6
         158.0       5.2
         165.0      21.7
         166.0      13.0
         167.0      52.4
         168.0       8.9
         169.0       3.0
         170.0       2.4
         171.0      10.2
         172.0       2.2
         177.0       9.5
         178.0       6.6
         179.0       8.1
         180.0       7.1
         181.0       8.9
         182.0       6.3
         183.0       3.0
         184.0       1.0
         189.0       1.2
         191.0       4.1
         192.0       1.6
         193.0       2.3
         194.0       4.8
         195.0      31.4
         196.0       5.0
         202.0       1.7
         203.0       1.4
         204.0       1.7
         205.0       3.2
         206.0       5.4
         207.0       3.2
         208.0       2.4
         209.0       6.4
         210.0       1.0
         215.0       2.9
         216.0       1.5
         217.0       2.6
         228.0       2.3
         229.0       2.2
         230.0       1.5
         231.0       1.3
         239.0       1.3
         241.0       2.3
         242.0       1.7
         243.0       4.0
         244.0       1.2
         252.0       1.8
         253.0       1.7
         255.0       1.1
         257.0       2.6
         258.0      19.9
         259.0       4.7
         260.0       1.8
         265.0       1.1
         267.0       2.1
         268.0       2.5
         269.0       1.4
         271.0       1.3
         285.0       5.4
         286.0     100.0
         287.0      24.1
         288.0       3.3
         312.0       1.2
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C21 H18 O 0.032 g : 0.5 ml CDCl3
    1,9-diphenyl-1,3,6,8-nonatetraen-5-one
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.47 B 7.47 C 7.355 D 7.312 E 6.96 F 6.94 G 6.559 ASSIGNED BY C-H AND H-H COSY. J(B,F)=6.4 HZ J(B,G)=15.3 HZ J(E,F)=14.0 HZ

         Hz     ppm     Int.
    

       2998.41   7.503    178
       2996.58   7.499    156
       2991.46   7.486    378
       2989.87   7.482    598
       2988.16   7.477    323
       2983.15   7.465    712
       2981.81   7.462    560
       2975.22   7.445    179
       2973.02   7.440    217
       2949.10   7.380    199
       2947.51   7.376    274
       2945.68   7.371    122
       2940.55   7.358    676
       2939.09   7.355    275
       2934.57   7.343    234
       2933.23   7.340    456
       2930.91   7.334    106
       2928.34   7.328    222
       2926.88   7.324    393
       2925.42   7.320    222
       2922.49   7.313    131
       2919.92   7.307    343
       2916.75   7.299     76
       2913.94   7.292     71
       2912.60   7.288    107
       2911.25   7.285     61
       2792.97   6.989     70
       2779.17   6.955   1000
       2777.71   6.951    411
       2771.00   6.934    382
       2770.63   6.933    382
       2755.13   6.894     67
       2627.44   6.575    637
       2612.18   6.537    429
    

in CDCl3



KBr disc



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