Question

4. Synthesis problems. Propose a synthetic route from the starting material to the product. In your answer, show each individual reaction step (list the reagents over arrows) and the product formed from each reaction step. Assume an acidic workup occurs if needed.

Answer 1

The reduction of alkyne to an alkene in the first step allows the best reagent to be chosen for each subsequent step.

Describe reagents.

A reagent is merely an essential component of a chemical reaction, it should be mentioned. It is an ingredient that speeds up the reaction.

With H2 and Lindlar's catalyst, an alkyne is reduced to alkene as the initial step in this process. Alkene will then be brominated to produce allyl bromide as the next step.

In this instance, the required allyl alcohol will be produced via the reaction of allyl bromide with NaOH.

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