Organic Chemistry (8th Edition)

Published by Pearson
ISBN 10: 0321768418
ISBN 13: 978-0-32176-841-4

Chapter 8 - Reactions of Alkenes - Problems: Problem 8-10 e

Answer

See Image.
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Work Step by Step

Reacting BH$_3$ and THF with an alkene: Add H and BH$_2$ to the vinylic carbons. H is added to the more substituted carbon while BH$_2$ is added to the less substituted carbon. The stereochemistry: H and BH$_2$ are added in syn fashion, meaning they are in the same plane.
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