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Chapter 16: Q20P (page 753)

What alcohols are obtained from the Reduction of the following compounds with sodium borohydride?

a. 2-methylpropanal b. cyclohexanone c. 4-tert-butylcyclohexanone d. acetophenone

Short Answer

Expert verified

On reduction, aldehyde gives primary alcohol.

  1. 2-methylproponal on reduction in the presence of sodium borohydride converted into 2- methylpropanol.

Reduction of 2-methyl propanol (a)

Step by step solution

01

Reduction of aldehydes

On reduction, aldehyde gives primary alcohol.

  1. 2-methylproponal on reduction in the presence of sodium borohydride converted into 2- methylpropanol.

Reduction of 2-methyl propanol (a)

02

Reduction of ketone

On reduction, ketone gives secondary alcohol.

b. Cyclohexanone on reduction gives cyclohexanol.


Reduction of cyclohexanone (b)

c . 4-tert-butylcyclohexanone on reduction gives 4-tert-butylcyclohexanol.


Reduction of 4-tert-butylcyclohexanone (c)

d. Acetophenone on reduction, gives tertiary alcohol (2-acetophenol).


Reduction of acetophenone (d)

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