Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Question
Chapter 7.SE, Problem 70AP
Interpretation Introduction
Interpretation:
The transition- state structures involved in the reaction of HBr with 1-pentene is to be drawn. Whether each structure resembles reactant or product also is to be stated.
Concept introduction:
The transition state will have a structure in which the bonds of the reactants involved in the reaction are in the process of breaking while that in the products are in the process of getting formed. Its structure will resemble the products in an endergonic reaction and reactants in an exergonic reaction.
To sketch:
The transition- state structures involved in the reaction of HBr with 1-pentene. Further to state whether the structures of the transition states resemble the reactant or product.
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5B
In the following reactions, mixtures of alkenes and ethyl ethers
are formed. Draw their structures. Explain which is or are likely
to be the main product(s) in each reaction. In case of formation
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CH3 CH3
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1-bromopropane and 2-bromopropane.
H2C=CHCH3 + HBr → CH2(Br)CH2CH3 + CH3CH(Br)CH3
Draw out the reaction mechanism of the reaction between propene and hydrogen bromide to produce 2-bromopropane. Use curly arrows to show the movement of electrons. The description should be detailed and must include the type of bond fission that takes place. You may sketch and insert suitable diagrams to aid your description if you wish.
Referring to the above mechanism, explain why two products are formed in the reaction between propene and hydrogen bromide?
Chapter 7 Solutions
Organic Chemistry
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