1,3-丙酮二羧酸二叔丁酯(28009-80-5)核磁图(¹³CNMR)

Mass

MS-NW-7524          
di-tert-butyl 3-oxoglutarate
C13H22O5            (Mass of molecular ion:    258)

   Source Temperature: 230 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      15.0       1.7
      27.0       3.5
      28.0       2.0
      29.0      11.4
      31.0       4.9
      39.0       4.5
      41.0      20.4
      42.0       4.4
      43.0      10.6
      44.0       4.5
      55.0       2.2
      56.0       7.4
      57.0     100.0
      58.0       4.7
      59.0      28.1
      60.0       1.1
      69.0       2.6
      84.0       1.6
      85.0       1.7
      87.0       1.5
     102.0       8.2
     103.0       1.5
     111.0       2.8
     115.0       1.7
     128.0       1.5
     129.0       7.9
     146.0       1.9
     147.0      12.2

Parameter ppm Hz D(A) 3.496 D(B) 1.473

     Hz     ppm     Int.

   1048.80   3.496    222
    441.91   1.473   1000