The structures of peptides J , and K are to be drawn. The curved-arrow notation for their formation is to be stated. Concept introduction: Nucleophilic substitution reaction is the reaction in which a nucleophile attacks the electrophilic center and a substituted product is formed. It takes place by the generation of an electrophilic intermediate. An amide bond formed between a carboxyl group present on the side chain of amino acid and the amine group present on the side chain of an amino acid is known as an isopeptide bond.

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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 27, Problem 27.78AP

Interpretation Introduction

Interpretation:

The structures of peptides J, and K are to be drawn. The curved-arrow notation for their formation is to be stated.

Concept introduction:

Nucleophilic substitution reaction is the reaction in which a nucleophile attacks the electrophilic center and a substituted product is formed. It takes place by the generation of an electrophilic intermediate. An amide bond formed between a carboxyl group present on the side chain of amino acid and the amine group present on the side chain of an amino acid is known as an isopeptide bond.

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B 1 of 2 Additional problems in preparation to Midterm #1: 1.) How can the following compounds be prepared using Diels-Alder reaction: CH3 O CN (a) (b) CN CH3 2.) What is the missing reagent in the shown reaction? H3C + ? H3C H3C CN H3C ''CN (၁) H 3.) Write the products 1,2-addition and 1,4-addition of DBr to 1,3-cyclohexadiene. Remember, D is deuterium, a heavy isotope of hydrogen. It reacts exactly like hydrogen. 4.) In the shown reaction, which will be the kinetic product and which will be the thermodynamic product? H3C CI H3C HCI H3C + 5.) Which of the following molecules is aromatic? (a) (b) (c) H 6.) Which of the following molecules is aromatic? (a) (b) (c) 7.) Write the mechanism for the shown reaction. + Ха AICI 3 CI 8.) Suggest reagents that would convert benzene into the shown compounds. CI NO2 -8-6-6-8-a (a) (b) (c) (d) (e) (a) SO3H Br

Answer 2

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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 27, Problem 27.78AP

Interpretation Introduction

Interpretation:

The structures of peptides J, and K are to be drawn. The curved-arrow notation for their formation is to be stated.

Concept introduction:

Nucleophilic substitution reaction is the reaction in which a nucleophile attacks the electrophilic center and a substituted product is formed. It takes place by the generation of an electrophilic intermediate. An amide bond formed between a carboxyl group present on the side chain of amino acid and the amine group present on the side chain of an amino acid is known as an isopeptide bond.

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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 27, Problem 27.78AP

Interpretation Introduction

Interpretation:

The structures of peptides J, and K are to be drawn. The curved-arrow notation for their formation is to be stated.

Concept introduction:

Nucleophilic substitution reaction is the reaction in which a nucleophile attacks the electrophilic center and a substituted product is formed. It takes place by the generation of an electrophilic intermediate. An amide bond formed between a carboxyl group present on the side chain of amino acid and the amine group present on the side chain of an amino acid is known as an isopeptide bond.

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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 27, Problem 27.78AP

Interpretation Introduction