Photochemical Electrocyclic Reactions
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Photochemical Electrocyclic Reactions
4 problems
1PRACTICE PROBLEM
What is the product of the reactions shown below?
(i)
(ii)
2PRACTICE PROBLEM
The following compound undergoes photochemical ring closure.
Why are the encircled substituents trans to one another after the photochemical ring closure?
3PRACTICE PROBLEM
Draw the product obtained in the reaction shown below.
4PRACTICE PROBLEM
What is the product of the [2+2] cycloaddition shown below?
![Diagram showing [2+2] cycloaddition reaction in photochemical electrocyclic reactions.](https://lightcat-files.s3.amazonaws.com/problem_images/36bc691ea06054d4-1694533740602.jpg)