SPIROBICROMANE

Mass

MS-IW-4048          
4,4,4',4'-tetramethyl-2,2'-spirobicromane-7,7'-diol
C21H24O4            (Mass of molecular ion:    340)

   Source Temperature: 180 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      17.0       1.6
      18.0       8.6
      39.0       1.1
      41.0       2.1
      43.0       2.4
      53.0       1.0
      55.0       1.7
      65.0       1.3
      69.0       2.1
      77.0       3.2
      79.0       2.2
      81.0       1.5
      91.0       2.6
      93.0       1.0
     103.0       1.2
     105.0       1.6
     107.0       3.6
     115.0       1.0
     119.0       1.8
     121.0       1.3
     123.0       6.6
     131.0       2.1
     132.0       1.8
     135.0       5.3
     137.0       5.6
     138.5       1.9
     146.0       2.5
     147.0       4.6
     148.0       1.1
     149.0       2.4
     150.0       5.5
     151.0     100.0
     152.0      10.2
     155.0      25.2
     155.5       5.4
     160.0       4.4
     161.0       2.3
     162.5       3.2
     163.0       1.8
     170.0       1.3
     174.0       5.3
     175.0      92.9
     176.0      11.3
     177.0       2.3
     189.0       2.9
     190.0       5.6
     191.0       1.0
     215.0       8.6
     216.0       1.4
     325.0      23.3
     326.0       5.2
     340.0      19.2
     341.0       4.5

Assign. Shift(ppm) A 9.14 B 7.149 C 6.373 D 5.968 E *1 2.042 F *1 1.907 G *2 1.474 J *2 1.255

     Hz     ppm     Int.

   3655.24   9.147    754
   2861.63   7.161    313
   2853.24   7.140    337
   2552.80   6.388    197
   2550.20   6.382    204
   2544.25   6.367    193
   2541.81   6.361    202
   2386.32   5.972    419
   2383.88   5.965    413
    824.43   2.063    162
    810.39   2.028    237
    768.28   1.923    213
    754.24   1.888    151
    589.29   1.475   1000
    576.32   1.443     22
    501.56   1.255    902