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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1267083Generated: November 2, 2026

4-Acetyl-1-(3-chloro-2-pyridyl)-5-methylpyrazole → 3-[4-(3-Chlorophenyl)-1-piperazinyl]-1-[1-(3-chloro-2-pyridyl)-5-methyl-4-pyrazolyl]-1-propene Hydrochloride

https://huagongshe.com/reaction/1267083

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Acetyl-1-(3-chloro-2-pyridyl)-5-methylpyrazoleHCID 11817206—
Reactant1-(3-Chlorophenyl)pyrazole hydrochlorideHCID 18545282—
Product3-[4-(3-Chlorophenyl)-1-piperazinyl]-1-[1-(3-chloro-2-pyridyl)-5-methyl-4-pyrazolyl]-1-propene HydrochlorideHCID 7002971468.7%

Reaction Steps

4-Acetyl-1-(3-chloro-2-pyridyl)-5-methylpyrazole (648 mg), 1-(3-chlorophenyl)pyrazole hydrochloride (641 mg), and p-formaldehyde (1.65 g) were reacted, and the product was worked up in the same manner as in Example 5-(4) to yield 439 mg of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06552018B1
Source datasetuspto-grants-2003_04
ORD IDord-23ed9953b3ea4686a300fe6951b94d49
Source noteuspto-grants-2003_04