Organic Chemistry
Organic Chemistry
4th Edition
ISBN: 9780073402772
Author: Janice G. Smith
Publisher: MCG
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Chapter 9, Problem 9.23P
Interpretation Introduction

Interpretation: The stereochemistry of the alkyl bromide formed from the reaction of (R)-butan-2-ol with PBr3 is to be stated.

Concept introduction: Alkyl bromides are obtained by the reaction of 1οor2ο alcohols with phosphorous tribromide (PBr3). The reaction yields HOPBr2 as by-product. The mechanism of the reaction involves two steps. The first step is conversion of the OH group into a good leaving group. The second step is nucleophilic attack by Br through an SN2 reaction. This SN2 reaction results inversion of stereochemistry at stereogenic center.

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Chapter 9 Solutions

Organic Chemistry

Ch. 9 - Prob. 9.11PCh. 9 - Prob. 9.12PCh. 9 - Prob. 9.13PCh. 9 - Prob. 9.14PCh. 9 - Problem 9.13 Draw the structure of each...Ch. 9 - What other alkene is also formed along with Y in...Ch. 9 - Prob. 9.17PCh. 9 - Explain how the reaction of CH32CHCHCl CH3 with...Ch. 9 - Prob. 9.19PCh. 9 - Draw the products of each reaction, indicating the...Ch. 9 - Problem 9.19 What is the major product formed...Ch. 9 - Prob. 9.22PCh. 9 - Prob. 9.23PCh. 9 - Problem 9.22 Draw the organic products formed in...Ch. 9 - Problem 9.23 Draw two steps to convert into each...Ch. 9 - Draw the products of each reaction, and indicate...Ch. 9 - Draw the products of each reaction, and include...Ch. 9 - Draw the products formed when (S)-butan-2-ol is...Ch. 9 - Prob. 9.29PCh. 9 - Prob. 9.30PCh. 9 - Explain why the treatment of anisole with HBr...Ch. 9 - Prob. 9.32PCh. 9 - The cis and trans isomers of 2, 3-dimethyloxirane...Ch. 9 - Problem 9.36 Draw the product of each...Ch. 9 - 9.37 Name each compound depicted in the...Ch. 9 - Answer each question using the ball-and-stick...Ch. 9 - Prob. 9.37PCh. 9 - a. Draw the structure of 1, 2, and 3 alcohol with...Ch. 9 - Give IUPAC name for each alcohol. a....Ch. 9 - Name each ether and epoxide. a.b.c.d.Ch. 9 - Prob. 9.41PCh. 9 - Draw the eight constitutional isomers with...Ch. 9 - Rank each group of compounds in order of: a....Ch. 9 - Prob. 9.44PCh. 9 - 9.44 Why is the boiling point of higher than...Ch. 9 - Draw the organic products formed when CH3CH2CH2OH...Ch. 9 - Draw the organic products formed when 1-methyl...Ch. 9 - What alkenes are formed when each alcohol is...Ch. 9 - Prob. 9.49PCh. 9 - Prob. 9.50PCh. 9 - 9.48 Draw the products of each reaction and...Ch. 9 - Prob. 9.52PCh. 9 - 9.52 Draw a stepwise mechanism for the following...Ch. 9 - 9.53 Although alcohol V gives a single alkene W...Ch. 9 - Prob. 9.55PCh. 9 - Prob. 9.56PCh. 9 - Prob. 9.57PCh. 9 - When CH3CH2CH2CH2OH is treated with H2SO4 NaBr,...Ch. 9 - 9.57 Draw a stepwise, detailed mechanism for the...Ch. 9 - Prob. 9.60PCh. 9 - Draw two different routes to each of the following...Ch. 9 - Prob. 9.62PCh. 9 - Prob. 9.63PCh. 9 - 9.62 Draw a stepwise mechanism for each...Ch. 9 - Draw a stepwise, detailed mechanism for the...Ch. 9 - Prob. 9.66PCh. 9 - Draw the products of each reaction. a.c. b.d.Ch. 9 - When each halohydrin is treated with, a product of...Ch. 9 - Prob. 9.69PCh. 9 - Devise a stepwise mechanism for the following...Ch. 9 - Draw the products of each reaction, and indicate...Ch. 9 - Prepare each compound from CH3CH2CH2CH2OH. More...Ch. 9 - Prepare each compound from cyclopentanol. More...Ch. 9 - 9.72 Identify the reagents (a–h) needed to carry...Ch. 9 - Prob. 9.75PCh. 9 - 9.74 Treatment of with affords compound A and ....Ch. 9 - Prob. 9.77PCh. 9 - Prob. 9.78PCh. 9 - 9.77 Draw a stepwise, detailed mechanism for the...Ch. 9 - Dehydration of 1, 2, 2-trimethylcyclohexanol with...Ch. 9 - Prob. 9.81PCh. 9 - 9.80 Draw a stepwise mechanism for the following...Ch. 9 - 9.81 Aziridines are heterocycles that contain an...
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