The reasonable structures of putrescine, citrulline, and ornithine are to be drawn at pH = 7 . Concept introduction: Amino acids are the organic compounds containing a carboxylic acid group and one amino acid group with an alkyl group as a side chain. Amino acids consist of both positive as well negative groups in their structure and are called as ampholytes. The zwitter ion refers to a molecule that consists of both positive as well negative groups. The overall charge is neutral on a zwitterion. The best examples of zwitter ion are amino acids.

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Answer 1

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Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 26, Problem 35P

Interpretation Introduction

Interpretation:

The reasonable structures of putrescine, citrulline, and ornithine are to be drawn at pH=7.

Concept introduction:

Amino acids are the organic compounds containing a carboxylic acid group and one amino acid group with an alkyl group as a side chain.

Amino acids consist of both positive as well negative groups in their structure and are called as ampholytes.

The zwitter ion refers to a molecule that consists of both positive as well negative groups. The overall charge is neutral on a zwitterion. The best examples of zwitter ion are amino acids.

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Done 11:14 ⚫ worksheets.beyondlabz.com 5 (a). Using the peak information you listed in the tables for both structures, assign each peak to that portion of the structure that produces the peak in the NMR spectrum. Draw this diagram on your own sheet of paper and attach the sketch of your drawing to this question. Question 6 5 (b). Using the peak information you listed in the tables for both structures, assign each peak to that portion of the structure that produces the peak in the NMR spectrum. Draw this diagram on your own sheet of paper and attach the sketch of your drawing to this question. Question 7 6. Are there any differences between the spectra you obtained in Beyond Labz and the predicted spectra? If so, what were the differences? <

2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity

Interpreting NMR spectra is a skill that often requires some amount of practice, which, in turn, necessitates access to a collection of NMR spectra. Beyond Labz Organic Synthesis and Organic Qualitative Analysis have spectral libraries containing over 700 1H NMR spectra. In this assignment, you will take advantage of this by first predicting the NMR spectra for two closely related compounds and then checking your predictions by looking up the actual spectra in the spectra library. After completing this assignment, you may wish to select other compounds for additional practice. 1. Write the IUPAC names for the following two structures: Question 2 Question 3 2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled**

Answer 2

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 26, Problem 35P

Interpretation Introduction

Interpretation:

The reasonable structures of putrescine, citrulline, and ornithine are to be drawn at pH=7.

Concept introduction:

Amino acids are the organic compounds containing a carboxylic acid group and one amino acid group with an alkyl group as a side chain.

Amino acids consist of both positive as well negative groups in their structure and are called as ampholytes.

The zwitter ion refers to a molecule that consists of both positive as well negative groups. The overall charge is neutral on a zwitterion. The best examples of zwitter ion are amino acids.

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Answer 3

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 26, Problem 35P

Interpretation Introduction

Interpretation:

The reasonable structures of putrescine, citrulline, and ornithine are to be drawn at pH=7.

Concept introduction:

Amino acids are the organic compounds containing a carboxylic acid group and one amino acid group with an alkyl group as a side chain.

Amino acids consist of both positive as well negative groups in their structure and are called as ampholytes.

The zwitter ion refers to a molecule that consists of both positive as well negative groups. The overall charge is neutral on a zwitterion. The best examples of zwitter ion are amino acids.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

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Answer 4

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 26, Problem 35P

Interpretation Introduction