Compound Q&A

How is N-(4-Chlorophenyl)-3-oxobutanamide (CAS: 140-49-8) typically synthesized?

Answer

N-(4-Chlorophenyl)-3-oxobutanamide
N-(4-Chlorophenyl)-3-oxobutanamide (CAS: 140-49-8) can be synthesized by reacting 4-chlorophenylacetic acid with acetic anhydride in the presence of a catalytic amount of a Lewis acid such as aluminum trichloride. The reaction is typically conducted in a non-polar organic solvent like toluene under reflux conditions. The yield is usually around 80-85%, and the product can be isolated by recrystallization from ethanol.

About

CAS No 140-49-8
English Name N-(4-Chlorophenyl)-3-oxobutanamide
Molecular Formula C10H10ClNO2
Molecular Weight 211.64799999999997 g/mol
SMILES CC(=O)NC1=CC=C(C=C1)C(=O)CCl
InChIKey JMRJWEJJUKUBEA-UHFFFAOYSA-N
Last Updated: 2025-12-26 02:37

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