(a) Interpretation: The mechanism and the product(s) for the given reaction are to be drawn. Concept introduction: An epoxide can be produced from an alkene using a peroxyacid ( RCO 3 H ) , also called a peracid. Treatment of an alkene with a peroxyacid (or peracid) produces an epoxide. The reagent MCPBA, a peroxyacid, can form an epoxide in a one-step reaction with an alkene. Rearrangements and rotations about C=C bond are not permitted during the course of the reaction. The stereochemistry that describes the C=C bond remains the same in the product.

Question

CH3O OH OH O hemiacetal O acetal O neither O 0 O hemiacetal acetal neither OH hemiacetal O acetal O neither CH2 O-CH2-CH3 CH3-C-OH O hemiacetal O acetal CH3-CH2-CH2-0-c-O-CH2-CH2-CH3 O neither HO-CH2 ? 000 Ar B

Answer 1

Question

Chapter 12, Problem 12.47P

Interpretation Introduction

(a)

Interpretation:

The mechanism and the product(s) for the given reaction are to be drawn.

Concept introduction:

An epoxide can be produced from an alkene using a peroxyacid (RCO3H), also called a peracid. Treatment of an alkene with a peroxyacid (or peracid) produces an epoxide. The reagent MCPBA, a peroxyacid, can form an epoxide in a one-step reaction with an alkene. Rearrangements and rotations about C=C bond are not permitted during the course of the reaction. The stereochemistry that describes the C=C bond remains the same in the product.

Interpretation Introduction

(b)

Interpretation:

The mechanism and the product(s) for the given reaction are to be drawn.

Concept introduction:

An epoxide can be produced from an alkene using a peroxyacid (RCO3H), also called a peracid. Treatment of an alkene with a peroxyacid (or peracid) produces an epoxide. The reagent MCPBA, a peroxyacid, can form an epoxide in a one-step reaction with an alkene. Rearrangements and rotations about C=C bond are not permitted during the course of the reaction. The stereochemistry that describes the C=C bond remains the same in the product.

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CH3O OH OH O hemiacetal O acetal O neither O 0 O hemiacetal acetal neither OH hemiacetal O acetal O neither CH2 O-CH2-CH3 CH3-C-OH O hemiacetal O acetal CH3-CH2-CH2-0-c-O-CH2-CH2-CH3 O neither HO-CH2 ? 000 Ar B

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