4-NITROBENZO-15-CROWN-5

    Assign.     Shift(ppm)

      A             7.889
      B             7.719
      C             6.883
      D          4.24 to 4.18
      E          3.97 to 3.91
      F          3.81 to 3.72
     
     J(A,C)=8.9HZ. J(A,B)=2.7HZ.
  

       ppm   Int.  Assign.

      154.73   308      1
      148.72   354      2
      141.60   237      3
      118.05   451      4
      111.55   415      5
      108.68   433      6
       71.17   957      7
                        8
       70.37   484      9 *
       70.30   510     10 *
       69.25   472     11 *
       69.11   495     12 *
       69.06  1000     13 *
                       14 *