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Chapter 17: Q17-57E (page 567)

How would you carry out the following transformations?

(a)

(b)

(c)

Short Answer

Expert verified

The answer is

(a)

(b)

(c)

Step by step solution

01

Reduction

The reduction of carboxylic acids leads to the formation of alcohols, and various reagents are used for this process. The acids can be selectively reduced in other functional groups using specific reagents.

02

Subpart (a)

The double bond is selectively reduced to a single bond in the presence of carboxylic acids using a palladium catalyst and hydrogen

Reaction (a)

03

Subpart (b)

The acid is converted into alcohol using Lithium Aluminium hydride followed by hydrolysis.

Reaction (b)

04

Subpart (c)

The carboxylic acid is converted to thiol using the tribromo phosphide and alkyl thiane in the presence of the base.

Reaction (c)

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