Under Photochemical Conditions,(2E,4Z)-Hexadiene Undergoes a ________ Ring Closure to Yield

question 98

Multiple Choice

Under photochemical conditions,(2E,4Z) -hexadiene undergoes a ________ ring closure to yield ________.

• A)conrotatory,cis-3,4-dimethylcyclobutene
• B)conrotatory,trans-3,4-dimethylcyclobutene
• C)disrotatory,cis-3,4-dimethylcyclobutene
• D)disrotatory,trans-3,4-dimethylcyclobutene

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