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(Solved): 4. Cyclization \( (20 \mathrm{~min}) \) a. Draw a curved arrow mechanism for ...



4. Cyclization \( (20 \mathrm{~min}) \)
a. Draw a curved arrow mechanism for the following reaction, in which one of the step???????

4. Cyclization \( (20 \mathrm{~min}) \) a. Draw a curved arrow mechanism for the following reaction, in which one of the steps can be described as "alcohol nucleophile attacks bromonium ion". You do not need to include stereochemistry in the mechanism. Other product(s) could form, but your mechanism should only account for the one shown. b. Select which two stereoisomers of the product could form based on the starting material configuration


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Answer 4(a): The mechanism of the reaction can be outlined as given below: In the first step the pi-bond of the alkene attacks Br2 to generate a cyc
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