4. Fill in the missing information indicated in each of the 1H NMR charts for each molecule. a. Fill in the integration and multiplicity columns. A B C Protons б Integration Multiplicity D A 0.9 B 1.6 OH C 2.3 b. Fill in the protons and multiplicity columns. D A B Br D 11.8 Protons б Integration Multiplicity 1.2 3 2.2 3 2.6 2 3.9 1 c. Label the groups of protons on the molecule (as seen above) and fill in the integration column. Protons Integration Multiplicity A 3.83 singlet B 6.50 singlet C 6.65 doublet D 7.25 triplet

4. Fill in the missing information indicated in each of the 1H NMR charts for each molecule. a. Fill in the integration and multiplicity columns. A B C Protons б Integration Multiplicity D A 0.9 B 1.6 OH C 2.3 b. Fill in the protons and multiplicity columns. D A B Br D 11.8 Protons б Integration Multiplicity 1.2 3 2.2 3 2.6 2 3.9 1 c. Label the groups of protons on the molecule (as seen above) and fill in the integration column. Protons Integration Multiplicity A 3.83 singlet B 6.50 singlet C 6.65 doublet D 7.25 triplet

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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NMR data Summary NMR solvent: DMSO-d6 'H NMR: Splitting (Multiplicity) Integration Chemical Shift 9.67 singlet 1H singlet doublet 9.17 7.37 6.72 2.00 1H 2H doublet singlet 2H 3H 1"C NMR: Chemical Shift 167.8 153.3 131.1 121.1 115.1 23.8 15N NMR: Chemical Shift 132.3 Instructions: Step 0: Look at the structure of Tylenol. Determine integration, and splitting you are expecting in the 'H NMR. Step 1: Look at the integration and splitting of the signals in the H NMR spectrum - assign the chemical shift of the protons of the methyl group; make a note which signals in the 'H NMR are due aromatic protons, NH and/or OH. Step 2: Look at the 'HSN HSQC spectrum - Use this spectrum to assign the chemical shifts of the NH proton and the OH proton. Step 3: Look at the 'H1SN HMBC spectrum - Use this spectrum to assign the chemical shifts of the aromatic protons in the 'H NMR. Step 4: Look at the 13C NMR spectrum - Make a note which carbon atoms are aromatic and/or alkyl. Assign the chemical shift of…
5. Construct the NMR tree diagrams you would expect from a partial molecule with the following parameters. Hb Не R. Hb Hc Ha = 1.5 ppm Hb = 4.3 ppm He = 6.4 ppm Jbc = 8.0 Hz Jac = 1.0 Hz Jab = 4.0 Hz
NMR data Summary NMR solvent: DMSO-d6 'H NMR: Splitting (Multiplicity) Chemical Shift Integration 9.67 9.17 7.37 6.72 2.00 singlet singlet doublet doublet singlet 1H 1H 2H 2H 3H 13C NMR: Chemical Shift 167.8 153.3 131.1 121.1 115.1 23.8 15N NMR: Chemical Shift 132.3 Using the NMR spectra and the chemical shifts values from the previous page, assign the chemical shifts of the hydrogen atoms by writing the 'H NMR chemical shifts values into the boxes. н H но -CH3 -N. H, >H-O - H H Using the NMR spectra and the chemical shifts values from the previous page, assign the chemical shifts of the carbon atoms by writing the 13C NMR chemical shifts values into the boxes. CH3 -N. H. H-O4
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