The method of synthesis of given compounds by reaction of Grignard reagent and an epoxide. Interpretation: The method of synthesis of given compounds is to be stated by reaction of Grignard reagent and an epoxide. Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

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Answer 1

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Chapter 14, Problem 14.36SP

(a)

Interpretation Introduction

To determine: The method of synthesis of given compounds by reaction of Grignard reagent and an epoxide.

Interpretation: The method of synthesis of given compounds is to be stated by reaction of Grignard reagent and an epoxide.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

(b)

Interpretation Introduction

To determine: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent.

Interpretation: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent is to be stated.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

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Part VII. Below are the 'HNMR, 13 C-NMR, COSY 2D- NMR, and HSQC 2D-NMR (similar with HETCOR but axes are reversed) spectra of an organic compound with molecular formula C6H1003 - Assign chemical shift values to the H and c atoms of the compound. Find the structure. Show complete solutions. Predicted 1H NMR Spectrum 4.7 4.6 4.5 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 f1 (ppm) Predicted 13C NMR Spectrum 100 f1 (ppm) 30 220 210 200 190 180 170 160 150 140 130 120 110 90 80 70 -26 60 50 40 46 30 20 115 10 1.0 0.9 0.8 0 -10

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Answer 2

Question

Chapter 14, Problem 14.36SP

(a)

Interpretation Introduction

To determine: The method of synthesis of given compounds by reaction of Grignard reagent and an epoxide.

Interpretation: The method of synthesis of given compounds is to be stated by reaction of Grignard reagent and an epoxide.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

(b)

Interpretation Introduction

To determine: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent.

Interpretation: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent is to be stated.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

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Answer 3

Question

Chapter 14, Problem 14.36SP

(a)

Interpretation Introduction

To determine: The method of synthesis of given compounds by reaction of Grignard reagent and an epoxide.

Interpretation: The method of synthesis of given compounds is to be stated by reaction of Grignard reagent and an epoxide.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

(b)

Interpretation Introduction

To determine: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent.

Interpretation: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent is to be stated.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

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Answer 4

Question

Chapter 14, Problem 14.36SP

(a)

Interpretation Introduction

To determine: The method of synthesis of given compounds by reaction of Grignard reagent and an epoxide.

Interpretation: The method of synthesis of given compounds is to be stated by reaction of Grignard reagent and an epoxide.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

(b)

Interpretation Introduction

To determine: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent.

Interpretation: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent is to be stated.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

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Answer 5

Chapter 14, Problem 14.36SP

(a)

Interpretation Introduction

To determine: The method of synthesis of given compounds by reaction of Grignard reagent and an epoxide.

Interpretation: The method of synthesis of given compounds is to be stated by reaction of Grignard reagent and an epoxide.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

(b)

Interpretation Introduction

To determine: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent.

Interpretation: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent is to be stated.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

Answer 6

Chapter 14, Problem 14.36SP

(a)

Interpretation Introduction

To determine: The method of synthesis of given compounds by reaction of Grignard reagent and an epoxide.

Interpretation: The method of synthesis of given compounds is to be stated by reaction of Grignard reagent and an epoxide.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

Answer 7

Chapter 14, Problem 14.36SP

(a)

Interpretation Introduction

To determine: The method of synthesis of given compounds by reaction of Grignard reagent and an epoxide.

Interpretation: The method of synthesis of given compounds is to be stated by reaction of Grignard reagent and an epoxide.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

Answer 8

(b)

Interpretation Introduction

To determine: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent.

Interpretation: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent is to be stated.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

Answer 9

(b)

Interpretation Introduction

To determine: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent.

Interpretation: The reagents required to synthesis given alcohols and the reason for the reaction to be unlikely to succeed with Grignard reagent is to be stated.

Concept introduction: Steric hinderance limits Grignard reactions. The yield of reaction of Grignard reagents with ethylene oxide and monsubstituted epoxides is high. But the yield is much lower with disubstituted epoxides. Grignard reagents hardly react with tri or tetrasubstituted epoxides.

Answer 10

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Answer 13

Ch. 14.2C - Rank the given solvents in decreasing order of...Ch. 14.2D - Prob. 14.2P Ch. 14.2D - In the presence of 18-crown-6, potassium...Ch. 14.3B - Give a common name (when possible) and a...Ch. 14.3C - Prob. 14.5P Ch. 14.3C - Name the following heterocyclic ethers.Ch. 14.4 - Propose a fragmentation to account for each...Ch. 14.5 - Prob. 14.8P Ch. 14.5 - Prob. 14.9P Ch. 14.6 - Prob. 14.10P

Solution Summary: The author explains the method of synthesis of given compounds by reaction of Grignard reagent and an epoxide.

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