The preparations of given compounds by the appropriate β- di carbonyl compounds and alkyl halides with the help of retrosynthetic analysis is to be written. Concept introduction: A molecule that consists of a ketone group on the β- carbon atom of an ester is generally known as β- keto ester. It contains an active methylene group between two carbonyl groups in its structure. Diethyl malonate and ethyl acetoacetate are some examples of β- keto esters. These β- keto esters undergo alkylation. The resulting alkylated β- keto ester results in the formation of ketone and carboxylic acids after hydrolysis followed by decarboxylation. Retrosynthesis is used to identify the reactants. It involves the breaking of the target molecule into starting materials.

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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 21.6, Problem 20P

Interpretation Introduction

Interpretation:

The preparations of given compounds by the appropriate β- di carbonyl compounds and alkyl halides with the help of retrosynthetic analysis is to be written.

Concept introduction:

A molecule that consists of a ketone group on the β- carbon atom of an ester is generally known as β- keto ester. It contains an active methylene group between two carbonyl groups in its structure. Diethyl malonate and ethyl acetoacetate are some examples of β- keto esters.

These β- keto esters undergo alkylation. The resulting alkylated β- keto ester results in the formation of ketone and carboxylic acids after hydrolysis followed by decarboxylation.

Retrosynthesis is used to identify the reactants. It involves the breaking of the target molecule into starting materials.

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Transmitance 3. Which one of the following compounds corresponds to this IR spectrum? Point out the absorption band(s) that helped you decide. OH H3C OH H₂C CH3 H3C CH3 H3C INFRARED SPECTRUM 0.8- 0.6 0.4- 0.2 3000 2000 1000 Wavenumber (cm-1) 4. Consider this compound: H3C On the structure above, label the different types of H's as A, B, C, etc. In table form, list the labeled signals, and for each one state the number of hydrogens, their shifts, and the splitting you would observe for these hydrogens in the ¹H NMR spectrum. Label # of hydrogens splitting Shift (2)

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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 21.6, Problem 20P

Interpretation Introduction

Interpretation:

The preparations of given compounds by the appropriate β- di carbonyl compounds and alkyl halides with the help of retrosynthetic analysis is to be written.

Concept introduction:

A molecule that consists of a ketone group on the β- carbon atom of an ester is generally known as β- keto ester. It contains an active methylene group between two carbonyl groups in its structure. Diethyl malonate and ethyl acetoacetate are some examples of β- keto esters.

These β- keto esters undergo alkylation. The resulting alkylated β- keto ester results in the formation of ketone and carboxylic acids after hydrolysis followed by decarboxylation.

Retrosynthesis is used to identify the reactants. It involves the breaking of the target molecule into starting materials.

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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 21.6, Problem 20P

Interpretation Introduction

Interpretation:

The preparations of given compounds by the appropriate β- di carbonyl compounds and alkyl halides with the help of retrosynthetic analysis is to be written.

Concept introduction:

A molecule that consists of a ketone group on the β- carbon atom of an ester is generally known as β- keto ester. It contains an active methylene group between two carbonyl groups in its structure. Diethyl malonate and ethyl acetoacetate are some examples of β- keto esters.

These β- keto esters undergo alkylation. The resulting alkylated β- keto ester results in the formation of ketone and carboxylic acids after hydrolysis followed by decarboxylation.

Retrosynthesis is used to identify the reactants. It involves the breaking of the target molecule into starting materials.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

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 21.6, Problem 20P

Interpretation Introduction