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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2190136Generated: October 31, 2026

Piperazin-2-one → 4-{[5-(3-Chloro-4-fluorophenyl)-4-(3-chloro-5-fluorophenyl)furan-2-yl]carbonyl}piperazin-2-one

https://huagongshe.com/reaction/2190136

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazin-2-oneHCID 231360—
Reactant5-(3-Chloro-4-fluorophenyl)-4-(3-chloro-5-fluorophenyl)furan-2-carboxylic acidHCID 58064796—
Reactant4-{[4-(3-Chlorophenyl)-5-(4-fluorophenyl)furan-2-yl]carbonyl}piperazin-2-oneHCID 58064800—
Product4-{[5-(3-Chloro-4-fluorophenyl)-4-(3-chloro-5-fluorophenyl)furan-2-yl]carbonyl}piperazin-2-oneHCID 58064771—

Reaction Steps

The preparation of the title compound takes place in analogy to the synthesis of the compound from Example 6 starting with the compound from Example 21A. Instead of 1.5 equivalents of piperazin-2-one, 1.1 equivalents are used. 33.0 mg (53% of theory) of the title compound are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08324268B2
Source datasetuspto-grants-2012_12
ORD IDord-b19f8b2d072248d5b8cc5d0225abe0e2
Source noteuspto-grants-2012_12