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Chapter 10: Q.27. (page 414)

Question: Draw the products formed when each alkene is treated with BH3followed by H2O2,HO-. Include the stereochemistry at all stereogenic centers.

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Step by step solution

01

 Step 1:Hydroboration-oxidation reaction

This reaction consists of two steps: hydroboration and oxidation. It gives a racemic mixture of alcohols.

02

Formation of products for a, b and c

a.

The reaction of but-1-ene with BH3followed by oxidation is shown below:

Product formation in a

b.

The reaction of (S)-1,4-dimethylcyclohex-1-ene with BH3 followed by oxidation is shown below:

Product formation in b

c.

The reaction of 1-ethylcyclopent-1-ene with BH3 followed by oxidation is shown below:

Product formation in c

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Most popular questions from this chapter

Question: Which alkene reacts faster with HBr? Explain your choice

Question: Which alcohols can be prepared as a single product by hydroboration鈥搊xidation of an alkene? Which alcohols can be prepared as a single product by the acid-catalyzed addition of H2O to an alkene?

a.

b.

c.

d.

Question: Explain why the addition of HBr to alkenes A and C is regioselective, forming addition products B and D, respectively.

Question: Draw the products of each reaction, including stereochemistry.

Question: How many rings and 蟺 bonds does a compound with molecular formula C10H14 possess? List all possibilities.
See all solutions

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