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1. For the following compounds, determine the following: A. Number of peaks, B. Integral of each peak, C. Estimate of each peak location (ppm), D. Splitting pattern for each peak (singlet, doublet, triplet, etc.) For example, ethanol (CH3CH2OH) would be 3 peaks: CH3 peak at -1.5 ppm (3H, triplet), CH2 at -3.5 ppm (2H, quartet), and OH peak at -4.5 ppm (1H, singlet). This is dihydropyran, which is used as a "protecting group" for alcohols during organic synthesis. Protecting groups are chemical modifications that mask a functional group and prevent an undesired side reaction from occurring. This is a common reagent called "Boc anhydride" (like the sound a chicken makes - boc boc boc) and is used as a protecting group for amines during peptide synthesis. HO ΟΗ OH СОН This is the meso form of tartaric acid. Because it's a meso compound, this affects the number of peaks in its NMR spectrum.

1. For the following compounds, determine the following: A. Number of peaks, B. Integral of each peak, C. Estimate of each peak location (ppm), D. Splitting pattern for each peak (singlet, doublet, triplet, etc.) For example, ethanol (CH3CH2OH) would be 3 peaks: CH3 peak at -1.5 ppm (3H, triplet), CH2 at -3.5 ppm (2H, quartet), and OH peak at -4.5 ppm (1H, singlet). This is dihydropyran, which is used as a "protecting group" for alcohols during organic synthesis. Protecting groups are chemical modifications that mask a functional group and prevent an undesired side reaction from occurring. This is a common reagent called "Boc anhydride" (like the sound a chicken makes - boc boc boc) and is used as a protecting group for amines during peptide synthesis. HO ΟΗ OH СОН This is the meso form of tartaric acid. Because it's a meso compound, this affects the number of peaks in its NMR spectrum.

Chemistry
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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1. For the following compounds, determine the following: A. Number of peaks, B. Integral of each peak, C. Estimate of each peak location (ppm), D. Splitting pattern for each peak (singlet, doublet, triplet, etc.) For example, ethanol (CH3CH2OH) would be 3 peaks: CH3 peak at -1.5 ppm (3H, triplet), CH2 at -3.5 ppm (2H, quartet), and OH peak at -4.5 ppm (1H, singlet). This is dihydropyran, which is used as a "protecting group" for alcohols during organic synthesis. Protecting groups are chemical modifications that mask a functional group and prevent an undesired side reaction from occurring. This is a common reagent called "Boc anhydride" (like the sound a chicken makes - boc boc boc) and is used as a protecting group for amines during peptide synthesis. HO ΟΗ OH СОН This is the meso form of tartaric acid. Because it's a meso compound, this affects the number of peaks in its NMR spectrum.
Transcribed Image Text:1. For the following compounds, determine the following: A. Number of peaks, B. Integral of each peak, C. Estimate of each peak location (ppm), D. Splitting pattern for each peak (singlet, doublet, triplet, etc.) For example, ethanol (CH3CH2OH) would be 3 peaks: CH3 peak at -1.5 ppm (3H, triplet), CH2 at -3.5 ppm (2H, quartet), and OH peak at -4.5 ppm (1H, singlet). This is dihydropyran, which is used as a "protecting group" for alcohols during organic synthesis. Protecting groups are chemical modifications that mask a functional group and prevent an undesired side reaction from occurring. This is a common reagent called "Boc anhydride" (like the sound a chicken makes - boc boc boc) and is used as a protecting group for amines during peptide synthesis. HO ΟΗ OH СОН This is the meso form of tartaric acid. Because it's a meso compound, this affects the number of peaks in its NMR spectrum.
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