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Chapter 11: Q37. (page 450)

Question: alkyne gives each compound as the only product after hydroboration–oxidation?

a.

b.

Short Answer

Expert verified

Answer

a.

b.

Step by step solution

01

Step-by-Step Solution Step 1: Hydroboration-oxidation reaction

Hydroboration-oxidation is a reaction which involves the conversion of alkyne to aldehyde or ketone. The reagent used for this reaction isR2BH,H2O2,OH-.

The general scheme of the reaction is:

Hydroboration-oxidation Reaction

02

Determination of starting material

Using retrosynthesis, the starting material is obtained as shown below:

a.

Retrosynthetic breakdown of compound a

b.

Retrosynthetic breakdown of compound b

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Most popular questions from this chapter

Question: Synthesize each compound from acetylene. You may see any other organic or inorganic reagents.

a.

b.

c.

d.

e.

Question. Give the structure corresponding to each of the following names.

a. trans-2-ethynylcyclopentanol

b. 4-tert-butyldec-5-yne

c. 3,3,5-trimethylcyclononyne

Question: Devise a synthesis of the following compound from cyclohexene and acetylene. You may use any other inorganic reagents.

Question: Why is compound X formed in the following reaction instead of its constitutional isomer Y?

Question: Which of the following pairs of compounds represent keto–enol tautomers?

a.

b.

c.

d.
See all solutions

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