Essential Organic Chemistry, Global Edition
Essential Organic Chemistry, Global Edition
3rd Edition
ISBN: 9781292089034
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 4, Problem 46P

(a)

Interpretation Introduction

Interpretation:

R or S and E or Z configuration has to be assigned for the given compound.

Concept introduction:

Alkenes:

The carbon-carbon double bond containing organic compounds are is known as alkenes or olefins, they are one of the class of hydrocarbon.

Cistrans isomerism (or) geometric isomerism or configurational isomerism:

The two similar groups (or higher priority groups) are in same side in double bond of alkenes is called as cis isomer (or Z-isomer). Two similar groups (or higher priority groups) are opposite side in double bond of alkenes is called as trans isomer (or E-isomer).

Example:

Essential Organic Chemistry, Global Edition, Chapter 4, Problem 46P , additional homework tip  1

(b)

Interpretation Introduction

Interpretation:

The systematic name should be given for the compound.

Concept introduction:

R and S nomenclature: it is used to assign the molecule using CIP rules.

The CIP rules are as follows:

Select the chiral carbon and assign the numbers according to the decreasing atomic mass of atoms attached to it.

If the numbering follows clockwise direction then the molecule is termed as R and if it follows anti-clockwise direction then molecule is termed as S.

(c)

Interpretation Introduction

Interpretation:

R or S and E or Z configuration has to be assigned for the given compound.

Concept introduction:

Cistrans isomerism (or) geometric isomerism or configurational isomerism:

The two similar groups (or higher priority groups) are in same side in double bond of alkenes is called as cis isomer (or Z-isomer). Two similar groups (or higher priority groups) are opposite side in double bond of alkenes is called as trans isomer (or E-isomer).

Example:

Essential Organic Chemistry, Global Edition, Chapter 4, Problem 46P , additional homework tip  2

(c)

Interpretation Introduction

Interpretation:

The systematic name should be given for the compound.

Concept introduction:

R and S nomenclature: it is used to assign the molecule using CIP rules.

The CIP rules are as follows:

Select the chiral carbon and assign the numbers according to the decreasing atomic mass of atoms attached to it.

If the numbering follows clockwise direction then the molecule is termed as R and if it follows anti-clockwise direction then molecule is termed as S.

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Chapter 4 Solutions

Essential Organic Chemistry, Global Edition

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