Organic Chemistry
Organic Chemistry
6th Edition
ISBN: 9781936221349
Author: Marc Loudon, Jim Parise
Publisher: W. H. Freeman
Question
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Chapter 14, Problem 14.18P
Interpretation Introduction

(a)

Interpretation:

The structure and the name of the product formed from the reaction between methyl sodium acetylide and ethyl iodide is to be stated.

Concept introduction:

Alkylenic anions are stronger bases. They can easily donate electrons due to the presence of π bonds and the negative charge. They react with alkyl halides or sulfonates to form alkynes with increased number of carbon atoms.

Interpretation Introduction

(b)

Interpretation:

The structure and the name of the product formed from the reaction between butyl tosylate and phenyl sodium is to be stated.

Concept introduction:

Alkylenic anions are stronger bases. They can easily donate electrons due to the presence of Organic Chemistry, Chapter 14, Problem 14.18P , additional homework tip  1bonds and the negative charge. They react with alkyl halides or sulfonates to form alkynes with increased number of carbon atoms.

Interpretation Introduction

(c)

Interpretation:

The structure and the name of the product formed from the reaction between propynyl magnesium bromide and ethylene oxide is to be stated.

Concept introduction:

Ethylene oxides react with Grignard reagent to give primary alcohols. Ethylene oxide undergoes ring-opening reaction. In the Grignard reagent, the carbon atom which is bonded to magnesium atom behaves as a nucleophile and the magnesium atom behaves as a Lewis acid. Magnesium atom gets attach to oxygen atom, making it a good leaving group by Protonation.

Interpretation Introduction

(d)

Interpretation:

The structure and the name of the product formed from the reaction between methyl sodium acetylide and Organic Chemistry, Chapter 14, Problem 14.18P , additional homework tip  2is to be stated.

Concept introduction:

Alkylenic anions are stronger bases. They can easily donate electrons due to the presence of Organic Chemistry, Chapter 14, Problem 14.18P , additional homework tip  3bonds and the negative charge. They react with alkyl halides or sulfonates to form alkynes with increased number of carbon atoms.

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