(a) Interpretation: The cyclic product formed from the given dihalide is to be predicted. Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO 2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 1

Question

Chapter 23, Problem 23.23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 2

Question

Chapter 23, Problem 23.23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 3

Question

Chapter 23, Problem 23.23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 4

Question

Chapter 23, Problem 23.23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 5

Chapter 23, Problem 23.23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 6

Chapter 23, Problem 23.23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 7

Chapter 23, Problem 23.23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 8

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 9

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 23 - Problem 23.1 Draw the enol or keto tautomer(s) of...Ch. 23 - Draw a stepwise mechanism for the following...Ch. 23 - Prob. 23.3P Ch. 23 - Prob. 23.4P Ch. 23 - Which CH bonds in the following molecules are...Ch. 23 - Prob. 23.6P Ch. 23 - Prob. 23.7P Ch. 23 - When ethyl acetoacetate (CH3COCH2CO2CH2CH3) is...Ch. 23 - Prob. 23.9P Ch. 23 - Prob. 23.10P

Solution Summary: The author explains how an intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Chapter 23 Solutions