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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 930093Generated: October 31, 2026

Piperazin-2-one → 4-[1-(2-Chloro-4-pyridyl)-5-[3-methoxy-5-(trifluoromethoxy)phenyl]pyrazole-3-carbonyl]piperazin-2-one

https://huagongshe.com/reaction/930093

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazin-2-oneHCID 231360—
Reactant4-[5-(3-Chloro-5-fluoro-phenyl)-1-(3-pyridyl)pyrazole-3-carbonyl]piperazin-2-oneHCID 71576533—
Reactant5-(3-Methoxy-5-trifluoromethoxyphenyl)-1-(2-chloropyridin-4-yl)-1H-pyrazole-3-carboxylic acidHCID 89602837—
Product4-[1-(2-Chloro-4-pyridyl)-5-[3-methoxy-5-(trifluoromethoxy)phenyl]pyrazole-3-carbonyl]piperazin-2-oneHCID 86574648—

Reaction Steps

31 mg (0.08 mmol) of the compound of Example 57A is reacted analogously to the synthesis of the compound of Example 4 with 8 mg (0.08 mmol) of 2-oxopiperazine. 37 mg (99% of theory) of the title compound is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09296720B2
Source datasetuspto-grants-2016_03
ORD IDord-60594542e0e14e0bb67ad7ee7655e07c
Source noteuspto-grants-2016_03