What could be the product for the following reaction? (i) SOCl2 (ii) CH3 CH2 OH, H^+

Name: Problem 83, Chapter 6: Advanced Problems in Organic Chemistry for Competitive Examinations
Uploaded: 2021-09-03T07:03:16-08:00
Duration: 1 min 1 s
Channel: Narayan Hari
Description: What could be the product for the following reaction? (i) SOCl2 (ii) CH3 CH2 OH, H^+

step 1 In this problem, the reaction will be happened something like this. Just look at it carefully. H

What could be the product for the following reaction? (i)...

Key Concepts

Acid Chloride Formation

This concept involves converting a carboxylic acid into an acid chloride using a reagent such as thionyl chloride. The carboxylic acid’s hydroxyl group is replaced by a chlorine atom, yielding a more reactive acyl chloride, while the byproducts (typically sulfur dioxide and hydrogen chloride) are removed from the reaction. This transformation is commonly used because acid chlorides are much more electrophilic compared to their corresponding acids, making them ideal intermediates for further reactions.

Nucleophilic Acyl Substitution

Acid chlorides, once formed, readily undergo nucleophilic acyl substitution reactions due to the polarization of the carbonyl group. In this type of reaction, a nucleophile, such as an alcohol, attacks the electrophilic carbonyl carbon. This attack results in the temporary formation of a tetrahedral intermediate, which then collapses, expelling the chloride ion and forming a new functional group. This mechanism is fundamental in synthesizing a variety of carbonyl-containing compounds.

Esterification

Esterification typically refers to the process of forming an ester from a carboxylic acid and an alcohol. In the context of using acid chlorides, the reaction proceeds via nucleophilic acyl substitution. The alcohol acts as a nucleophile, attacking the acyl chloride to yield an ester. This approach is a more reactive variant of the direct acid-catalyzed Fischer esterification, taking advantage of the reactivity provided by the acid chloride intermediate.

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