Compound Q&A
How is 2-(3-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one (CAS: 90-31-3) typically synthesized?
Answer
2-(3-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one is synthesized via a multistep process involving the reaction of 2,4-dichloro-3-(3-chlorophenyl)pyrazole with methylamine. This reaction is typically catalyzed by a base such as potassium hydroxide, and the yield is moderate to good. The reaction is carried out under mild conditions to maintain the structural integrity of the pyrazole ring.
About
CAS No
90-31-3
English Name
2-(3-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one
Molecular Formula
C10H9ClN2O
Molecular Weight
208.64 g/mol
SMILES
CC1=NN(C(=O)C1)C2=CC(=CC=C2)Cl
InChIKey
RIOMUJXIGYZENC-UHFFFAOYSA-N
Last Updated: 2025-12-31 16:27
