For the cascade of your choice (A-B-D or A-C-E), explain in detail the reaction mechanism. Considering the Woodward-Hoffmann rules and frontier molecular orbital theory to suggest whether the reaction is allowed or forbidden HOMEWORK 21. Compund A undergoes a cascade of electrocyclic reactions to give compound B underthermal conditions, and C under photochemical conditions. Compounds B and C canundergo a further cycloaddition reaction under photochemical conditions to givecompounds D and E, respectively. Please write the chemical structures of compoundsB, C, D, and E. For the cascade of your choice (A-B-D or A-C-E), explain in detail thereaction mechanism. Considering the Woodward-Hoffmann rules and frontier molecularorbital theory to suggest whether the reaction is allowed or forbidden.hvВhvEhvA

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Answered: hv В D hv E hv A

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hv В D hv E hv A

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter30: Orbitals And Organic Chemistry: Pericyclic Reactions

Section30.SE: Something Extra

Problem 40AP

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Question

For the cascade of your choice (A-B-D or A-C-E), explain in detail the reaction mechanism. Considering the Woodward-Hoffmann rules and frontier molecular orbital theory to suggest whether the reaction is allowed or forbidden

HOMEWORK 2
1. Compund A undergoes a cascade of electrocyclic reactions to give compound B under
thermal conditions, and C under photochemical conditions. Compounds B and C can
undergo a further cycloaddition reaction under photochemical conditions to give
compounds D and E, respectively. Please write the chemical structures of compounds
B, C, D, and E. For the cascade of your choice (A-B-D or A-C-E), explain in detail the
reaction mechanism. Considering the Woodward-Hoffmann rules and frontier molecular
orbital theory to suggest whether the reaction is allowed or forbidden.
hv
В
hv
E
hv
A

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