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Question
Chemistry
Posted 10 months ago
Question 6 (4 points)
For the following reaction, pick out the major product:
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Answer from Sia
Posted 10 months ago
B
Key Concept
Hydroboration-oxidation
Explanation
The reaction sequence of borane (BH3) in THF followed by H2O2/NaOH is known as hydroboration-oxidation, which converts alkenes to alcohols. The borane adds to the less substituted carbon of the double bond (anti-Markovnikov addition), and subsequent oxidation yields the alcohol at that position. In a cyclic alkene like the one described, the major product will have the hydroxyl group at the more accessible, less sterically hindered carbon adjacent to the former double bond.
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