Alcohol | Lecture #5 | Hindi | IIT JEE ADV | OC | MS Chouhan Sir
Автор: MS Chouhan
Загружено: 2024-09-22
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The stereochemistry of esterification refers to the spatial arrangement of atoms or groups around the reacting molecules, particularly focusing on how it affects the formation of esters. Esterification typically occurs between a carboxylic acid and an alcohol, producing an ester and water.
Here’s how stereochemistry plays a role in esterification:
1. *Chirality of Reactants*: If the carboxylic acid or alcohol involved in the reaction contains a chiral center, the stereochemistry can influence the outcome. The resulting ester can retain, invert, or mix the stereochemistry depending on the reaction conditions and the mechanism.
2. *Mechanism and Stereochemistry*:
In the *Fischer esterification mechanism*, the reaction proceeds via nucleophilic attack of the alcohol on the carbonyl carbon of the protonated carboxylic acid. This attack is typically not stereospecific, meaning that any stereochemical centers in the alcohol or carboxylic acid will be unaffected by the esterification itself, except in cases where the formation of intermediates leads to inversion or retention of configuration.
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