Two cycloaddition reactions (I and II) are shown below. Which of the options given below best describes reactions I and II? CN I) CN CN II) CN CN CN CN "CN A. Reaction I is allowed and has a Huckel transition state; Reaction II is forbidden and has a Mobius transition state. B. Reaction I is allowed and has a Mobius transition state. Reaction II is forbidden and has a Huckel transition state. C. Reaction I is forbidden and has a Huckel transition state. Reaction II is allowed and has a Mobius transition state. D. Reaction I is forbidden and has a Mobius transition state. Reaction II is allowed and has a Huckel transition state. Option A Option B O Option C O Option D

Two cycloaddition reactions (I and II) are shown below. Which of the options given below best describes reactions I and II? CN I) CN CN II) CN CN CN CN "CN A. Reaction I is allowed and has a Huckel transition state; Reaction II is forbidden and has a Mobius transition state. B. Reaction I is allowed and has a Mobius transition state. Reaction II is forbidden and has a Huckel transition state. C. Reaction I is forbidden and has a Huckel transition state. Reaction II is allowed and has a Mobius transition state. D. Reaction I is forbidden and has a Mobius transition state. Reaction II is allowed and has a Huckel transition state. Option A Option B O Option C O Option D

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 34AP: Bicyclohexadiene, also known as Dewar benzene, is extremely stable despite the fact that its...

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