3. Cyclooctadienyllithium provides an example where electrocyclization of a pentadienyl fragment occurs. (a) Using frontier molecular orbitals, determine whether the cyclization would proceed conrotatory or disrotatory (4 pts). H heat H

3. Cyclooctadienyllithium provides an example where electrocyclization of a pentadienyl fragment occurs. (a) Using frontier molecular orbitals, determine whether the cyclization would proceed conrotatory or disrotatory (4 pts). H heat H

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 20.24P: Pyridine exhibits a UV transition of the type n at 270 nm. In this transition, one of the unshared...

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Question

3. Cyclooctadienyllithium provides an example where electrocyclization of a pentadienyl
fragment occurs. (a) Using frontier molecular orbitals, determine whether the cyclization
would proceed conrotatory or disrotatory (4 pts).
H
heat
H

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