(b) Using frontier molecular orbital theory and orbital interaction diagrams, provide a detailed mechanistic analysis of BOTH the reactions (i) and (ii) shown below accounting for the observed selectivity. (i) нн hv Ph H Ph (ii) OTMS heat OMe Ph Ph OTMS OMe

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions
Section: Chapter Questions
Problem 20.28P: Write the frontier molecular orbital analysis for the cycloaddition of butadiene with butadiene when...
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(b) Using frontier molecular orbital theory and orbital interaction diagrams, provide a
detailed mechanistic analysis of BOTH the reactions (i) and (ii) shown below accounting
for the observed selectivity.
(i)
hv
Ph
H Ph
(ii)
OTMS
heat
COME
Ph
Ph
OTMS
OMe
my
Transcribed Image Text:(b) Using frontier molecular orbital theory and orbital interaction diagrams, provide a detailed mechanistic analysis of BOTH the reactions (i) and (ii) shown below accounting for the observed selectivity. (i) hv Ph H Ph (ii) OTMS heat COME Ph Ph OTMS OMe my
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