CH3 CH3 CH3 CH3 H2C H2C CI

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter8: Addition Via Carbocation
Section: Chapter Questions
Problem 9E
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Allylic carbocation stability is atfected by both the naure of u Cal
by the degree of substitution of the double bond The latter is typically the dominant effect and so a primary allylic car
trisubstituted double bond is more stable than a tertiary allylic carbocation with a monosubstituted double bond.
Electrophilic addition to a conjugated diene is temperature dependent where reaction at or below room temperature ty
mixture of products in which the 1,2 adduct (or direct addition product) predominates, this is termed kinetic control A
temperatures the reactions have time to come to equilibrium and typically the 1,4 adduct (or conjugate addition produ
predominate, this is termed thermodynamic control.
Draw curved arrows to show the movement of electrons in this step of the mechanism.
Arrow-pushing Instructions
CH3
CH3
CH3
CH3
H2C
H2C
CI
Transcribed Image Text:Allylic carbocation stability is atfected by both the naure of u Cal by the degree of substitution of the double bond The latter is typically the dominant effect and so a primary allylic car trisubstituted double bond is more stable than a tertiary allylic carbocation with a monosubstituted double bond. Electrophilic addition to a conjugated diene is temperature dependent where reaction at or below room temperature ty mixture of products in which the 1,2 adduct (or direct addition product) predominates, this is termed kinetic control A temperatures the reactions have time to come to equilibrium and typically the 1,4 adduct (or conjugate addition produ predominate, this is termed thermodynamic control. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions CH3 CH3 CH3 CH3 H2C H2C CI
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