TOPIC: 16. MO Theory

SUBTOPIC: 161. Conjugated Unsaturated Systems

1. Which is the most stable diene?

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2. The pi molecular orbitals of 1,3-butadiene are shown below. Which orbitals are filled? Which is the lowest unoccupied molecular orbital (LUMO)?

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3. Give the major product of the following reaction.

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4. Give the major product(s) of the following reaction neglecting stereoisomers.

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5. Give the major product(s) of the following reaction. Show only constitutional isomers.

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6. Give the major product(s) of the following reaction. Show only constitutional isomers.

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