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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1983143Generated: October 31, 2026

Piperazine → HCID 16722904, compound

https://huagongshe.com/reaction/1983143

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
Reactant2-(4-Fluoro-2-methoxy-phenyl)-5-(5-methyl-3-phenyl-isoxazol-4-yl)-[1,3,4]oxadiazoleHCID 16722645—
ProductHCID 16722904HCID 1672290417%

Reaction Steps

As described for example 26, 2-(4-fluoro-2-methoxy-phenyl)-5-(5-methyl-3-phenyl-isoxazol-4-yl)-[1,3,4]oxadiazole (200 mg, 0.57 mmol) was converted using piperazine instead of thiomorpholine to the title compound (SiO2, dichloromethane:(dichloromethane: methanol:ammonia=70:27:3)=92:2 to 50:50, 40 mg, 17%) which was obtained as an off-white solid. MS: m/e=418.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07541372B2
Source datasetuspto-grants-2009_06
ORD IDord-b2f49653a7c34d329a198ba0717db579
Source noteuspto-grants-2009_06