Organic Chemistry-Package(Custom)
4th Edition
ISBN: 9781259141089
Author: SMITH
Publisher: MCG
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Chapter 18, Problem 18.28P
Interpretation Introduction
Interpretation: An explanation corresponding to the statement that
Concept introduction: The replacement or substitution of one
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CH3
CH3
Br-
Br2
CH2CI2
CH3
CH3
H3C
H3C
Br
Electrophilic addition of bromine, Br2, to alkenes yields a 1,2-dibromoalkane. The reaction proceeds through a cyclic intermediate known as a
bromonium ion. The reaction occurs in an anhydrous solvent such as CH2C12.
In the second step of the reaction, bromide is the nucleophile and attacks at one of the carbons of the bromonium ion to yield the product. Due to
steric clashes, the bromide ion always attacks the carbon from the opposite face of the bromonium ion so that a product with anti stereochemistry
is formed.
Draw curved arrows to show the movement of electrons in this step of the mechanism.
Arrow-pushing Instructions
CH3
CH3
Br-
.CH3
.CH3
H3C
H3C
:Br
:Br:
Br
CH2
HBr
CH3
Draw curved arrows to show the movement of electrons in this step of the reaction mechanism.
Arrow-pushing Instructions
CH2
Н— Br:
5. Classify the following reagents as either nucleophiles or electrophiles:
Zn2* , CH3NH2 , HS , OH2 , CH3COOH, H2SO4
Chapter 18 Solutions
Organic Chemistry-Package(Custom)
Ch. 18 - Prob. 18.1PCh. 18 - Prob. 18.2PCh. 18 - Prob. 18.3PCh. 18 - Prob. 18.4PCh. 18 - Prob. 18.5PCh. 18 - What acid chloride would be needed to prepare each...Ch. 18 - Prob. 18.7PCh. 18 - Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.9PCh. 18 - Prob. 18.10P
Ch. 18 - Prob. 18.11PCh. 18 - Prob. 18.12PCh. 18 - Problem 18.14 Draw all resonance structures for...Ch. 18 - Classify each substituent as electron donating or...Ch. 18 - Prob. 18.15PCh. 18 - Label each compound as more or less reactive than...Ch. 18 - Rank the following compounds in order of...Ch. 18 - Problem 18.18 Rank the following compounds in...Ch. 18 - Prob. 18.19PCh. 18 - Problem 18.20 Draw the products of each...Ch. 18 - Prob. 18.21PCh. 18 - Prob. 18.22PCh. 18 - Devise a synthesis of each compound from the...Ch. 18 - Problem 18.24 Draw the products of each...Ch. 18 - Problem 18.25 Draw a stepwise mechanism for the...Ch. 18 - Problem 18.26 Draw the products of each...Ch. 18 - Prob. 18.27PCh. 18 - Prob. 18.28PCh. 18 - Problem 18.29 How could you use ethylbenzene to...Ch. 18 - Prob. 18.30PCh. 18 - Problem 18.31 What steps are needed to convert...Ch. 18 - Problem 18.32 Synthesize each compound from...Ch. 18 - Synthesize each compound from benzene.Ch. 18 - Prob. 18.34PCh. 18 - 18.35 What is the major product formed by an...Ch. 18 - Draw the products formed when phenol (C6H5OH) is...Ch. 18 - Prob. 18.37PCh. 18 - Draw the products of each reaction. a. e. i. b. f....Ch. 18 - What products are formed when benzene is treated...Ch. 18 - Draw the products of each reaction. a.d. b.e. c.f.Ch. 18 - You have learned two ways to make an alkyl...Ch. 18 - Prob. 18.42PCh. 18 - Prob. 18.43PCh. 18 - 18.45 Explain why each of the following reactions...Ch. 18 - Prob. 18.45PCh. 18 - 18.47 For each of the following substituted...Ch. 18 - Which benzene ring in each compound is more...Ch. 18 - 18.49 For each N-substituted benzene, predict...Ch. 18 - Explain each statement in detail using resonance...Ch. 18 - Prob. 18.50PCh. 18 - Explain why the meta product is formed in the...Ch. 18 - 18.53 Rank the aryl halides in each group in order...Ch. 18 - Prob. 18.53PCh. 18 - 18.54 Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.55PCh. 18 - 18.56 Draw a stepwise, detailed mechanism for the...Ch. 18 - Prob. 18.57PCh. 18 - 18.58 Draw a stepwise mechanism for the following...Ch. 18 - Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.60PCh. 18 - Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.62PCh. 18 - Prob. 18.63PCh. 18 - Synthesize each compound from benzene and any...Ch. 18 - Synthesize each compound from benzene and any...Ch. 18 - Synthesize each compound from toluene (C6H5CH3)...Ch. 18 - Prob. 18.67PCh. 18 - Use the reactions in this chapter along with those...Ch. 18 - Prob. 18.69PCh. 18 - Prob. 18.70PCh. 18 - Problem 18.69 Identify the structures of isomers A...Ch. 18 - Prob. 18.72PCh. 18 - Problem 18.71 Compound X (molecular formula ) was...Ch. 18 - Prob. 18.74PCh. 18 - The NMR spectrum of phenol () shows three...Ch. 18 - Explain the reactivity and orientation effects...Ch. 18 - Prob. 18.77PCh. 18 - Prob. 18.78PCh. 18 - Prob. 18.79PCh. 18 - Prob. 18.80P
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