Question: NMR Problems (select the structure) Problem 7: Determine the correct structure from the provided structures and write this structure in the box provided on the
NMR Problems (select the structure) Problem 7: Determine the correct structure from the provided structures and write this structure in the box provided on the NMR spectrum. Students are provided the 'Hand C NMR data to use as additional information to solve this problem. aner Structure A Structure B Structure C 19 Structure D Draw the correct structure in the provided box for full credit 'H NMR HA Ha Hc 2.8 ppm 2.4 ppm 1.1 ppm Splitting Integration Quartet 5 Singlet 7.5 Triplet 7.5 C13 CB Cc CE 200 ppm 198 ppm 29 ppm 24 ppm 7 ppm DEPT-135 No signal No signal Negative Positive Positive HA HA Hc T T 3 1 1 N- 11 10 O) 4 N 7 5 9 00 6 ppm 00 8
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