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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 903056Generated: October 30, 2026

N-acetyl-2-imidazolinone → 1-Acetyl-2[1-(2-chlorophenyl)-5-pyrazolyl] amino-2-imidazoline

https://huagongshe.com/reaction/903056

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-acetyl-2-imidazolinoneHCID 22350258—
Reactant5-Amino-1(2-chlorophenyl) pyrazole hydrochlorideHCID 70592478—
Product1-Acetyl-2[1-(2-chlorophenyl)-5-pyrazolyl] amino-2-imidazolineHCID 12763793—

Reaction Steps

5-Amino-1(2-chlorophenyl) pyrazole hydrochloride (Farmaco, 22, 68, 1967) (20.5 g.) and 1-acetyl-2-imidazolinone (12.6 g.) were reacted as described in Example I to give 17.11 g. product mp 179°-181° (crystallized from CH3CN)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04226773
Source datasetuspto-grants-1980_10
ORD IDord-56987b1f1427440b9cbd28cf7665adc1
Source noteuspto-grants-1980_10