Organic Chemistry
Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 3.3, Problem 3.3P

(a)

Interpretation Introduction

Interpretation:

The configuration for the given moleculehas to be assigned.

Concept Introduction:

Priority rules:

  • Priorities based on atomic number

-H,-CH3,-NH2,-OH,-SH,-Cl,-Br,-IIncreasingpriority

  • When priority cannot be assigned on the basis of the atoms bonded directly to the chiral center

-CH2H,-CH2CH3,-CH2NH2,-CH2OH,-CH2ClIncreasingpriority

  • Atoms participating in a double or triple bond are considered to be bonded to an equivalent number of phantom atoms.

For example,

Organic Chemistry, Chapter 3.3, Problem 3.3P , additional homework tip  1

  • Priority assignment is made at the first point of difference between groups (should not be based on the larger group).

(b)

Interpretation Introduction

Interpretation:

The configuration for the given molecule has to be assigned.

Concept Introduction:

Priority rules:

  • Priorities based on atomic number

-H,-CH3,-NH2,-OH,-SH,-Cl,-Br,-IIncreasingpriority

  • When priority cannot be assigned on the basis of the atoms bonded directly to the chiral center

-CH2H,-CH2CH3,-CH2NH2,-CH2OH,-CH2ClIncreasingpriority

  • Atoms participating in a double or triple bond are considered to be bonded to an equivalent number of phantom atoms.

For example,

Organic Chemistry, Chapter 3.3, Problem 3.3P , additional homework tip  2

  • Priority assignment is made at the first point of difference between groups (should not be based on the larger group).

(c)

Interpretation Introduction

Interpretation:

The configuration for the given molecule has to be assigned.

Concept Introduction:

Priority rules:

  • Priorities based on atomic number

-H,-CH3,-NH2,-OH,-SH,-Cl,-Br,-IIncreasingpriority

  • When priority cannot be assigned on the basis of the atoms bonded directly to the chiral center

-CH2H,-CH2CH3,-CH2NH2,-CH2OH,-CH2ClIncreasingpriority

  • Atoms participating in a double or triple bond are considered to be bonded to an equivalent number of phantom atoms.

For example,

Organic Chemistry, Chapter 3.3, Problem 3.3P , additional homework tip  3

  • Priority assignment is made at the first point of difference between groups (should not be based on the larger group).

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Students have asked these similar questions
Identify the configuration of each chiral center
Identify chiral center and assign configuration (R or S) of each one in the compound.
Encircle the chiral center/s in each molecule. Assign R or S configurations for each chiral center. No need to name the molecule. Br NH2 NH2 H3C H3C *CH3 CH3 но

Chapter 3 Solutions

Organic Chemistry

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