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What is the major product expected from ...

What is the major product expected from the following reaction?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A
The first reaction with diborane is both stereospecific and regiospecific and the second reaction is stereospecific in that the hydroxyl group replaces the boron from the same side...very strange...the mechanism is not known for certain.
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