
Interpretation:
The faster reactant is to be identified from given pairs of reactants with given reagent.
Concept introduction:
SN2 reaction:
Tosylated compound is reaction with sodium methoxide which undergoes again SN2 type of reaction, the methoxide ion attacks the carbon atom through the back side and provides Inverse configuration of methoxy compound. This is shown below,
Given information:
a.
The given compound is shown below,
The SN2 displacement by I- on CH3Cl and CH3OTos
b.
The given compound is shown below,
The SN2 displacement by CH3COO- on bromoethane or on Bromo cyclohexane.
c.
The given compound is shown below,
The SN2 displacement on 2-bromopropane by CH3CH2O- or by CN-
d.
The given compound is shown below,
The SN2 displacement by CH ≡ C- on bromomethane in benzene or in acetonitrile

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Chapter 11 Solutions
Organic Chemistry
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