The synthesis of the given products from benzyl bromide needs to be explained. Concept Introduction: > Electrophiles are electron deficient species which has positive or partially positive charge. Lewis acids are electrophiles which accept electron pair. > Nucleophiles are electron rich species which has negative or partially negative charge. Lewis bases are nucleophiles which donate electron pair. > Grignard reagent or RMgX can be synthesized from haloalkanes by reacting them with magnesium in the presence of dry ether. > Phosphorus ylides can be prepared from alkyl halides on reaction with triphenyl phosphine in the presence of a strong base, such as butyl lithium. > Grignard reagent or phosphorus ylides react with carbonyl compounds to form alcohols and alkenes , respectively. > Treatment of epoxides with Grignard reagent results in the formation primary alcohols. > The Grignard reagent or RMgX is a polar organometallic reagent that undergoes nucleophilic addition reaction with aldehydes and ketones . It contains organic group which is covalently bonded to magnesium atom, which is also bonded to halogen atom. > Benzyl bromide is converted to benzyl magnesium bromide in the presence of dry ether. > Benzyl magnesium bromide on reaction with epoxide forms a primary alcohol, which on mild oxidation yields the aldehyde.

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Chapter 16, Problem 38P

Interpretation Introduction

Interpretation:

The synthesis of the given products from benzyl bromide needs to be explained.

Concept Introduction:
>
Electrophiles are electron deficient species which has positive or partially positive charge. Lewis acids are electrophiles which accept electron pair.
>
Nucleophiles are electron rich species which has negative or partially negative charge. Lewis bases are nucleophiles which donate electron pair.
>
Grignard reagent or RMgX can be synthesized from haloalkanes by reacting them with magnesium in the presence of dry ether.
>
Phosphorus ylides can be prepared from alkyl halides on reaction with triphenyl phosphine in the presence of a strong base, such as butyl lithium.
>
Grignard reagent or phosphorus ylides react with carbonyl compounds to form alcohols and alkenes, respectively.
>
Treatment of epoxides with Grignard reagent results in the formation primary alcohols.
>
The Grignard reagent or RMgX is a polar organometallic reagent that undergoes nucleophilic addition reaction with aldehydes and ketones. It contains organic group which is covalently bonded to magnesium atom, which is also bonded to halogen atom.
>
Benzyl bromide is converted to benzyl magnesium bromide in the presence of dry ether.
>
Benzyl magnesium bromide on reaction with epoxide forms a primary alcohol, which on mild oxidation yields the aldehyde.

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