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5. L-dopa is used in the treatment of Parkinson's disease. Identify the four most acidic protons and arrange them in order of increasing acidity. :0: HO: : OH OH

5. L-dopa is used in the treatment of Parkinson's disease. Identify the four most acidic protons and arrange them in order of increasing acidity. :0: HO: : OH OH

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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5. L-dopa is used in the treatment of Parkinson's disease. Identify the four most acidic protons and arrange them in order of increasing acidity. :0: HO: : OH OH 6. Coumarins are a class of natural products produced by plants and animals. It has a wide variety of applications in cosmetics, food industry and fluorescent laser dyes. In the ¹HNMR spectrum of coumarin derivate shown below, the two signals farthest downfield are at 7.38 and 8.42 pm. Identify the two protons that most likely give rise to these signals and justify your answer using resonance structures. :0:
Transcribed Image Text:5. L-dopa is used in the treatment of Parkinson's disease. Identify the four most acidic protons and arrange them in order of increasing acidity. :0: HO: : OH OH 6. Coumarins are a class of natural products produced by plants and animals. It has a wide variety of applications in cosmetics, food industry and fluorescent laser dyes. In the ¹HNMR spectrum of coumarin derivate shown below, the two signals farthest downfield are at 7.38 and 8.42 pm. Identify the two protons that most likely give rise to these signals and justify your answer using resonance structures. :0:
3. Draw the most stable chair conformation of glucose. OH HO... HO HO HO: 4. Ascorbic acid (vitamin C) pKa = 4.2 does not contain a carboxylic acid group, but is fairly acidic. Identify the acidic proton and explain the choice using resonance structures. :OH OH НО : OH :Ö:
Transcribed Image Text:3. Draw the most stable chair conformation of glucose. OH HO... HO HO HO: 4. Ascorbic acid (vitamin C) pKa = 4.2 does not contain a carboxylic acid group, but is fairly acidic. Identify the acidic proton and explain the choice using resonance structures. :OH OH НО : OH :Ö:
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