Organic Chemistry · free preview

Chapter 13: Review and Practice

Nuclear magnetic resonance spectroscopy, or NMR, is the most valuable of the numerous spectroscopic techniques used for structure determination. Although we focused in this chapter on NMR applications with small molecules, more advanced NMR

1. Nuclear magnetic resonance spectroscopy, or NMR, is the most

Nuclear magnetic resonance spectroscopy, or NMR, is the most

2. ^{\text{13}}C spectra are run on Fourier-transform NMR (FT–N

^{\text{13}}C spectra are run on Fourier-transform NMR (FT–N

3. Chemistry Matters — Magnetic Resonance Imaging (MRI)

Chemistry Matters — Magnetic Resonance Imaging (MRI)

4. Additional Problems

Additional Problems

5. Problem 13-28 (a) (b) Problem 13-29 (a) 436 Hz 436 Hz (b) 95

Problem 13-28 (a) (b) Problem 13-29 (a) 436 Hz 436 Hz (b) 95

6. Problem 13-32 Why do you suppose accidental overlap of signa

Problem 13-32 Why do you suppose accidental overlap of signa

7. Problem 13-36 (a) (b) (c) (d) (e) (f) Problem 13-37 (a) C_{\

Problem 13-36 (a) (b) (c) (d) (e) (f) Problem 13-37 (a) C_{\

8. Problem 13-40 (a) (b) (c) Problem 13-41 (a) (b) (c) Problem

Problem 13-40 (a) (b) (c) Problem 13-41 (a) (b) (c) Problem

9. Problem 13-44 (a) C_{\text{5}}H_{\text{10}}O 0.95 δ (6 H, do

Problem 13-44 (a) C_{\text{5}}H_{\text{10}}O 0.95 δ (6 H, do

10. Problem 13-48 Suppose you ran a DEPT-135 spectrum for each s

Problem 13-48 Suppose you ran a DEPT-135 spectrum for each s

11. Problem 13-52 (a) How many double bonds and/or rings does yo

Problem 13-52 (a) How many double bonds and/or rings does yo

12. Problem 13-56 Long-range coupling between protons more than

Problem 13-56 Long-range coupling between protons more than

13. Problem 13-60 Compound A, a hydrocarbon with M^{\text{+}} =

Problem 13-60 Compound A, a hydrocarbon with M^{\text{+}} =

14. Problem 13-64 Compound F, a hydrocarbon with M^{\text{+}} =

Problem 13-64 Compound F, a hydrocarbon with M^{\text{+}} =

15. Problem 13-68 Nitriles (RC\text{≡}N) react with Grignard rea

Problem 13-68 Nitriles (RC\text{≡}N) react with Grignard rea

16. Key Terms

Key Terms

17. - DEPT-NMR - diastereotopic - downfield - enantiotopic

  • DEPT-NMR - diastereotopic - downfield - enantiotopic

18. - FT–NMR - homotopic - integration - multiplet

  • FT–NMR - homotopic - integration - multiplet

19. - n + 1 rule - nuclear magnetic resonance (NMR) spectroscopy

  • n + 1 rule - nuclear magnetic resonance (NMR) spectroscopy

20. - upfield

  • upfield

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