a) Interpretation: The structures of alkenes that would yield the alcohol shown on hydration are to be given. Among hydroboration-oxidation and oxymercuration-demercuration, which method could be used to prepare the alcohol also has to be stated. Concept introduction: The hydroboration reaction takes place with syn stereochemistry and results in a non-Markovnikov addition of water to the double bond in the alkene. The resulting product has the hydroxyl group on the carbon with less number of alkyl substitutents. The oxymercuration-demercuration reaction takes place with anti stereochemistry and results in Markovnokov addition of water to the double bond in the alkene. The resulting product has the hydroxyl group on the carbon with more number of alkyl substitutents. To give: The structures of alkenes that would yield the alcohol shown on hydration. To state: Among hydroboration-oxidation and oxymercuration-demercuration methods which method can be used to prepare the alcohol from alkenes.

Question

For each reaction below, decide if the first stable organic product that forms in solution will create a new CC bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. ? NH2 MgBr Will the first product that forms in this reaction create a new CC bond? ○ Yes ○ No MgBr ? Will the first product that forms in this reaction create a new CC bond? O Yes O No Click and drag to start drawing a structure. :☐ G x c olo Ar HE

Answer 1

Question

Chapter 8.SE, Problem 23VC

Interpretation Introduction

a)

Interpretation:

The structures of alkenes that would yield the alcohol shown on hydration are to be given. Among hydroboration-oxidation and oxymercuration-demercuration, which method could be used to prepare the alcohol also has to be stated.

Concept introduction:

The hydroboration reaction takes place with syn stereochemistry and results in a non-Markovnikov addition of water to the double bond in the alkene. The resulting product has the hydroxyl group on the carbon with less number of alkyl substitutents.

The oxymercuration-demercuration reaction takes place with anti stereochemistry and results in Markovnokov addition of water to the double bond in the alkene. The resulting product has the hydroxyl group on the carbon with more number of alkyl substitutents.

To give:

The structures of alkenes that would yield the alcohol shown on hydration.

To state:

Among hydroboration-oxidation and oxymercuration-demercuration methods which method can be used to prepare the alcohol from alkenes.

Interpretation Introduction

b)

Interpretation:

The structures of alkenes that would yield the alcohol shown on hydration are to be given. Among hydroboration-oxidation and oxymercuration-demercuration, the method which can be used to prepare the alcohol also has to be stated.

Concept introduction:

The hydroboration reaction takes place with syn stereochemistry and results in a non-Markovnikov addition of water to the double bond in the alkene. The resulting product has the hydroxyl group on the carbon with less number of alkyl substitutents.

The oxymercuration-demercuration reaction takes place with anti stereochemistry and results in Markovnokov addition of water to the double bond in the alkene. The resulting product has the hydroxyl group on the carbon with more number of alkyl substitutents.

To give:

The structures of alkenes that would yield the alcohol shown on hydration.

To state:

Among hydroboration-oxidation and oxymercuration-demercuration, the method which can be used to prepare the alcohol.

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For each reaction below, decide if the first stable organic product that forms in solution will create a new CC bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. ? NH2 MgBr Will the first product that forms in this reaction create a new CC bond? ○ Yes ○ No MgBr ? Will the first product that forms in this reaction create a new CC bond? O Yes O No Click and drag to start drawing a structure. :☐ G x c olo Ar HE

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