Chapter 12, Problem 32PP

(a)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Bromination:

Alcohols brominated by using ${\text{PBr}}_{\text{3}}$ which provides corresponding brominated products.

(b)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Chlorination:

Alcohols chlorinated by using thionyl chloride and pyridine which provides corresponding chlorinated products.

Similarly, alcohols can be chlorinated by using hydrochloric acid and zinc chloride which provides corresponding chlorinated products.

(c)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Chlorination:

Alcohols chlorinated by using thionyl chloride and pyridine which provides corresponding chlorinated products.

Similarly, alcohols can be chlorinated by using hydrochloric acid and zinc chloride which provides corresponding chlorinated products.

(d)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Oxidation Reaction: The Dess-Martin Periodinane (DMP), a hyper valent iodine compound, offers selective and very mild oxidation of alcohols to aldehydes.

(e)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Oxidation: Alcohols undergoing oxidation by using oxidizing agent like PCC (Pyridinium Chlorochromate) in dichloromethane which provides aldehyde.

Alcohols undergoing oxidation by using oxidizing agent like ${\text{Na}}_{\text{2}}{\text{Cr}}_{\text{2}}{\text{O}}_{\text{7}}$(chromic acid) which provides carboxylic acid.

(f)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Alcohols treated with any metals or base which provides alkoxide.

(g)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Alcohols treated with any metals or base which provides alkoxide.

(h)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Alcohols is protected by using variety of reaction for example, Alcohols can be protected by treating with tosyl chloride in presence of base. Similarly it can be protected by using $\text{TMSCl}$ in presence of base.

(i)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Alcohols is protected by using variety of reaction for example, Alcohols can be protected by treating with tosyl chloride in presence of base. Similarly it can be protected by using $\text{TMSCl}$ in presence of base.

(j)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Alcohols treated with any metals or base which provides alkoxide.

(k)

Interpretation Introduction

Interpretation:

The major product for the given reaction should be identified.

Concept introduction:

Alcohols treated with any metals or base which provides alkoxide.