Question

Question:Devise a synthesis of each compound from acetylene and any other required reagents.

Short answer

Answer

Step-by-step solution

Retrosynthetic analysis

Retrosynthesis is the stepwise breakdown of the product to determine the starting materials used in the reaction. It also gives an idea about the pathway of the reaction and the reagents used.

Determination of synthetic pathway and reagents

The retrosynthetic analysis of the given compound is given below:

Retrosynthesis of compound b

The synthetic pathway is:

Synthesis of compound b

c.

The retrosynthetic analysis of the given compound is given below:

Retrosynthesis of compound c.

The synthetic pathway is:

Synthesis of compound c.

d.

The retrosynthetic analysis of the given compound is given below:

Retrosynthesis of compound d.

The synthetic pathway is:

Synthesis of compound d