2-甲基环戊酮

产品名称 2-甲基环戊酮

CAS号1120-72-5

分子式C6H10O

分子量98.14

¹³CNMR

Mass

MS-IW-7534          
2-methylcyclopentanone
C6H10O              (Mass of molecular ion:     98)

   Source Temperature: 220 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0       1.4
      26.0       3.9
      27.0      20.5
      28.0      21.2
      29.0      10.4
      37.0       1.4
      38.0       3.2
      39.0      26.3
      40.0       8.1
      41.0      58.4
      42.0     100.0
      43.0      19.3
      44.0       1.1
      50.0       2.5
      51.0       3.3
      52.0       1.9
      53.0       6.4
      54.0       8.5
      55.0      89.4
      56.0      33.2
      57.0       3.2
      65.0       1.6
      67.0       5.1
      68.0       1.6
      69.0      60.4
      70.0      35.7
      71.0       2.3
      77.0       3.4
      78.0       1.7
      79.0      10.7
      80.0      11.5
      81.0       1.7
      83.0      20.6
      84.0       1.6
      96.0       3.1
      97.0       5.0
      98.0      87.5
      99.0       6.8

400 MHz in CDCl3

¹H NMR	399.65 MHz
C₆ H₁₀ O	0.080 g : 0.5 ml CDCl₃
2-methylcyclopentanone

    Assign.     Shift(ppm)

      A     *1      2.29
      B     *2      2.25
      C     *1      2.11
      D     *3      2.007
      E     *3      1.803
      F     *2      1.495
      G             1.091
     
     ASSIGNED BY H-H AND C-H COSY.

     Hz     ppm     Int.

    934.33   2.338     36
    933.23   2.336     38
    932.86   2.335     39
    931.64   2.332     38
    926.03   2.318     37
    925.29   2.316     44
    924.44   2.314     45
    923.83   2.312     39
    923.10   2.310     44
    916.99   2.295     35
    915.41   2.291     74
    914.55   2.289     78
    913.09   2.285     87
    911.62   2.282     61
    911.13   2.280     57
    907.84   2.272    111
    906.98   2.270    101
    906.01   2.268    104
    905.27   2.266    150
    902.83   2.260     86
    900.39   2.253     62
    898.19   2.248     58
    896.36   2.243     54
    894.41   2.238     58
    892.21   2.233     59
    890.38   2.228     35
    888.18   2.223     41
    885.74   2.217     48
    884.03   2.213     32
    862.43   2.158     91
    858.40   2.148     54
    857.06   2.145     61
    853.64   2.136    137
    852.29   2.133    127
    850.22   2.128     82
    848.88   2.125     51
    847.78   2.122     62
    846.31   2.118     58
    843.51   2.111    200
    840.70   2.104     67
    839.60   2.101     70
    838.38   2.098     56
    835.08   2.090     95
    834.11   2.088     77
    832.76   2.084     59
    831.30   2.081     46
    825.20   2.065    104
    818.60   2.049     34
    816.28   2.043     53
    813.60   2.036     30
    812.38   2.033     36
    809.94   2.027     62
    807.37   2.021     55
    806.76   2.019     56
    803.71   2.012     77
    800.90   2.005     66
    800.17   2.003     51
    797.24   1.995     76
    794.68   1.989     62
    792.11   1.983     31
    791.38   1.981     34
    788.45   1.973     49
    743.16   1.860     40
    736.94   1.844     39
    735.11   1.840     42
    733.40   1.836     47
    732.67   1.834     56
    730.96   1.830     36
    728.64   1.824     40
    727.05   1.820     46
    726.32   1.818     40
    724.73   1.814     78
    722.66   1.809     61
    721.19   1.805     40
    720.09   1.802     45
    718.51   1.798     44
    717.90   1.797     54
    716.19   1.793     57
    714.60   1.789     44
    714.11   1.787     57
    712.04   1.782     46
    710.21   1.778     39
    707.64   1.771     39
    705.69   1.766     30
    705.08   1.765     38
    703.74   1.761     35
    701.29   1.755     30
    616.82   1.544     44
    610.23   1.527     43
    606.32   1.518     75
    599.61   1.501     74
    595.09   1.490     49
    593.75   1.486     72
    588.75   1.474     46
    587.28   1.470     72
    583.37   1.460     32
    576.78   1.444     35
    439.82   1.101   1000
    432.74   1.083    968

in CDCl3

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